Las Cumbres Observatory

ATLAS (C/2021 C4)

Schedule Observations Schedule Spectroscopic Observations

NameA10vcA4 → C/2021 C4

Type Comet (Long Period)

Status Actively Following
Characterization Target

Source LOOK Project

UTC date

Site

Min Altitude

Check Spectroscopic Feasibility Create LC Plot

Recent Blocks Scheduled

2021-02-15T12:37:00 2021-02-15T23:37:00 SIN Req: 2390662
2021-02-26T17:40:00 2021-02-27T17:40:00 SIN Req: 2401482
2021-03-02T00:00:00 2021-03-02T12:00:00 SIN Req: 2403869
2021-03-04T12:00:00 2021-03-05T12:00:00 SIN Req: 2403870
2021-03-07T12:00:00 2021-03-08T12:00:00 SIN Req: 2403871
2021-03-10T12:00:00 2021-03-11T12:00:00 SIN Req: 2403872
2021-03-13T12:00:00 2021-03-14T12:00:00 SIN Req: 2403873
2021-03-16T12:00:00 2021-03-17T12:00:00 SIN Req: 2403874
2021-03-19T12:00:00 2021-03-20T12:00:00 SIN Req: 2403875
2021-03-22T12:00:00 2021-03-23T12:00:00 SIN Req: 2403876
2021-03-25T12:00:00 2021-03-26T12:00:00 SIN Req: 2403877
2021-03-28T12:00:00 2021-03-29T12:00:00 SIN Req: 2403878
2021-04-05T15:50:00 2021-04-06T03:50:00 SIN Req: 2437492
2021-04-08T03:50:00 2021-04-09T03:50:00 SIN Req: 2437493
2021-04-11T03:50:00 2021-04-12T03:50:00 SIN Req: 2437494
2021-04-14T03:50:00 2021-04-15T03:50:00 SIN Req: 2437495
2021-04-17T03:50:00 2021-04-18T03:50:00 SIN Req: 2437496
2021-04-20T03:50:00 2021-04-21T03:50:00 SIN Req: 2437497
2021-04-23T03:50:00 2021-04-24T03:50:00 SIN Req: 2437498
2021-04-29T03:50:00 2021-04-30T03:50:00 SIN Req: 2437499
2021-05-01T19:00:00 2021-05-02T07:00:00 SIN Req: 2478424
2021-05-04T07:00:00 2021-05-05T07:00:00 SIN Req: 2478425
2021-05-07T07:00:00 2021-05-08T07:00:00 SIN Req: 2478426
2021-05-10T07:00:00 2021-05-11T07:00:00 SIN Req: 2478427
2021-05-12T19:00:00 2021-05-13T19:00:00 SIN Req: 2498936
2021-05-13T07:00:00 2021-05-14T07:00:00 SIN Req: 2478428
2021-05-15T19:00:00 2021-05-16T19:00:00 SIN Req: 2498937
2021-05-16T07:00:00 2021-05-17T07:00:00 SIN Req: 2478429
2021-05-18T19:00:00 2021-05-19T19:00:00 SIN Req: 2498938
2021-05-19T07:00:00 2021-05-20T07:00:00 SIN Req: 2478430
2021-05-25T07:00:00 2021-05-26T07:00:00 SIN Req: 2478431
2021-05-27T19:00:00 2021-05-28T19:00:00 SIN Req: 2498939
2021-05-28T07:00:00 2021-05-29T07:00:00 SIN Req: 2478432
2021-05-30T19:00:00 2021-05-31T18:58:00 SIN Req: 2498940
2021-05-31T07:00:00 2021-05-31T23:59:00 SIN Req: 2478433
2021-06-03T01:00:00 2021-06-03T13:00:00 SIN Req: 2534179
2021-06-05T13:00:00 2021-06-06T13:00:00 SIN Req: 2534180
2021-06-08T13:00:00 2021-06-09T13:00:00 SIN Req: 2534181
2021-06-11T13:00:00 2021-06-12T13:00:00 SIN Req: 2534182
2021-06-14T13:00:00 2021-06-15T13:00:00 SIN Req: 2534183
2021-06-23T13:00:00 2021-06-24T13:00:00 SIN Req: 2534184
2021-06-26T13:00:00 2021-06-27T13:00:00 SIN Req: 2534185
2021-06-29T13:00:00 2021-06-30T13:00:00 SIN Req: 2534186
2021-08-05T13:03:00 2021-08-06T01:03:00 SIN Req: 2604071
2021-08-06T01:03:00 2021-08-07T01:03:00 SIN Req: 2604072
2021-08-07T01:03:00 2021-08-08T01:03:00 SIN Req: 2604073
2021-08-08T01:03:00 2021-08-09T01:03:00 SIN Req: 2604074
2021-08-09T01:03:00 2021-08-10T01:03:00 SIN Req: 2604075
2021-08-10T01:03:00 2021-08-11T01:03:00 SIN Req: 2604076
2021-08-14T01:03:00 2021-08-15T01:03:00 SIN Req: 2604077
2021-08-15T01:03:00 2021-08-16T01:03:00 SIN Req: 2604078
2021-08-16T01:03:00 2021-08-17T01:03:00 SIN Req: 2604079
2021-08-17T01:03:00 2021-08-18T01:03:00 SIN Req: 2604080
2021-08-18T01:03:00 2021-08-19T01:03:00 SIN Req: 2604081
2021-12-08T14:29:00 2021-12-09T08:29:00 SIN Req: 2725714
2021-12-10T20:29:00 2021-12-12T08:29:00 SIN Req: 2725715
2021-12-13T20:29:00 2021-12-15T08:29:00 SIN Req: 2725716
2021-12-16T20:29:00 2021-12-18T08:29:00 SIN Req: 2725717
2021-12-19T20:29:00 2021-12-21T08:29:00 SIN Req: 2725718
2021-12-22T20:29:00 2021-12-24T08:29:00 SIN Req: 2725719
2022-01-08T19:30:00 2022-01-09T13:30:00 SIN Req: 2750147
2022-01-11T01:30:00 2022-01-12T13:30:00 SIN Req: 2750148
2022-01-14T01:30:00 2022-01-15T13:30:00 SIN Req: 2750149
2022-01-17T01:30:00 2022-01-18T13:30:00 SIN Req: 2750150
2022-01-20T01:30:00 2022-01-21T13:30:00 SIN Req: 2750151
2022-01-26T01:30:00 2022-01-27T13:30:00 SIN Req: 2750152
2022-01-29T01:30:00 2022-01-30T13:30:00 SIN Req: 2750153
2022-02-05T04:01:00 2022-02-05T22:01:00 SIN Req: 2776480
2022-02-07T10:01:00 2022-02-08T22:01:00 SIN Req: 2776481
2022-02-10T10:01:00 2022-02-11T22:01:00 SIN Req: 2776482
2022-02-13T10:01:00 2022-02-14T22:01:00 SIN Req: 2776483
2022-02-16T10:01:00 2022-02-17T22:01:00 SIN Req: 2776484
2022-02-22T10:01:00 2022-02-23T22:01:00 SIN Req: 2776485
2022-02-25T10:01:00 2022-02-26T22:01:00 SIN Req: 2776486
2022-03-02T23:44:00 2022-03-03T17:44:00 SIN Req: 2801247
2022-03-05T05:44:00 2022-03-06T17:44:00 SIN Req: 2801248
2022-03-08T05:44:00 2022-03-09T17:44:00 SIN Req: 2801249
2022-03-11T05:44:00 2022-03-12T17:44:00 SIN Req: 2801250
2022-03-14T05:44:00 2022-03-15T17:44:00 SIN Req: 2801251
2022-03-20T05:44:00 2022-03-21T17:44:00 SIN Req: 2801252
2022-03-23T05:44:00 2022-03-24T17:44:00 SIN Req: 2801253
2022-03-26T05:44:00 2022-03-27T17:44:00 SIN Req: 2801254
2022-03-29T05:44:00 2022-03-30T17:44:00 SIN Req: 2801255
2022-04-06T03:58:00 2022-04-06T21:58:00 SIN Req: 2838087
2022-04-08T09:58:00 2022-04-09T21:58:00 SIN Req: 2838088
2022-04-11T09:58:00 2022-04-12T21:58:00 SIN Req: 2838089
2022-04-17T09:58:00 2022-04-18T21:58:00 SIN Req: 2838090
2022-04-20T09:58:00 2022-04-21T21:58:00 SIN Req: 2838091
2022-04-23T09:58:00 2022-04-24T21:58:00 SIN Req: 2838092
2022-04-26T09:58:00 2022-04-27T21:58:00 SIN Req: 2838093
2022-04-29T09:58:00 2022-04-30T21:58:00 SIN Req: 2838094
2022-05-07T00:54:00 2022-05-07T18:54:00 SIN Req: 2874280
2022-05-09T06:54:00 2022-05-10T18:54:00 SIN Req: 2874281
2022-05-15T06:54:00 2022-05-16T18:54:00 SIN Req: 2874282
2022-05-18T06:54:00 2022-05-19T18:54:00 SIN Req: 2874283
2022-05-21T06:54:00 2022-05-22T18:54:00 SIN Req: 2874284
2022-05-24T06:54:00 2022-05-25T18:54:00 SIN Req: 2874285
2022-05-27T06:54:00 2022-05-28T18:54:00 SIN Req: 2874286
2022-05-30T06:54:00 2022-05-31T18:54:00 SIN Req: 2874287
2022-06-18T22:55:00 2022-06-19T16:55:00 SIN Req: 2923821
2022-06-21T04:55:00 2022-06-22T16:55:00 SIN Req: 2923822
2022-06-24T04:55:00 2022-06-25T16:55:00 SIN Req: 2923823
2022-06-27T04:55:00 2022-06-28T16:55:00 SIN Req: 2923824
2022-06-30T04:55:00 2022-06-30T23:55:00 SIN Req: 2923825

Measurements

Show Measurements

Plot Visibility

Last Update: 2024-Nov-21 07:59

Orbital Elements

MPC Comet

Epoch of elements (MJD)

Orbital inclination in deg

132.85291

Longitude of Ascending Node (deg)

194.27716

Arg of perihelion (deg)

320.22603

Eccentricity

0.9999542

Perihelion distance (AU)

4.5035687

Epoch of perihelion

Jan. 17, 2021, 2:43 a.m.

Epoch of perihelion (MJD)

59231.11373

Total Magnitude (M1)

6.9

Slope Parameter (k1)

13.5

Physical Parameters