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Minor planet follow-up portal
v. 3.13.4
1998 HH49
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Data
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Schedule Spectroscopic Observations
Type
NEO (Apollo) [PHA]
Status
Actively Following
Characterization Target
Source
Goldstone
UTC date
------------ Any 1.0m ------------
LSC 1.0m - W85-87; (CTIO, Chile)
ELP 1.0m - V37,V39; (McDonald, Texas)
COJ 1.0m - Q63-64; (Siding Spring, Aust.)
CPT 1.0m - K91-93; (Sutherland, S. Africa)
TFN 1.0m - Z31,Z24; (Tenerife, Spain)
------------ Any 0.4m ------------
LSC 0.4m - W89,W79; (CTIO, Chile)
ELP 0.4m - V38; (McDonald, Texas)
OGG 0.4m - T03-04; (Maui, Hawaii)
COJ 0.4m - Q58-59; (Siding Spring, Aust.)
CPT 0.4m - L09; (Sutherland, S. Africa)
TFN 0.4m - Z17,Z21; (Tenerife, Spain)
------------ Any 2.0m ------------
FTS 2.0m - E10; (Siding Spring, Aust.) [MuSCAT4]
FTN 2.0m - F65; (Maui, Hawaii ) [MuSCAT3]
------------ Non LCO ------------
Mt John 1.8m - 474 (Mt John, NZ)
Site
Min Altitude
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
2023-10-18T01:26:00
2023-10-19T01:26:00
SIN
Req: 3358739
2023-10-18T02:03:00
2023-10-18T05:28:00
LSC
Req: 3358776
2023-10-18T03:34:00
2023-10-18T05:28:00
LSC
Req: 3358795
2023-10-18T04:46:00
2023-10-19T04:46:00
SIN
Req: 3358816
2023-10-19T05:06:00
2023-10-19T12:40:00
OGG
Req: 3359689
Measurements
Show Measurements
Plot Visibility
Last Update: 2023-Dec-08 06:32
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60283.0
Dec. 5, 2023
Orbital inclination in deg
8.42917
Longitude of Ascending Node (deg)
23.46256
Arg of perihelion (deg)
288.26658
Eccentricity
0.5035058
Mean distance (AU)
1.5581747
Mean Anomaly (deg)
49.09831
Absolute Magnitude (H)
21.45
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
182
Diameter in meters
(range)
88 - 682
Physical Parameters
Diameter
Initial Diameter Guess using H=21.45 and albedo=0.14 (0.01 to 0.5)
MPC Default
182.16 m
+499.0 / -86.0
Absolute Magnitude
autocmod 2.9e
E2021X08
21.33
+/- 0.83936
Follow-up Details
Number of observations
186
Arc length (days)
1095.00
Time since last observation (days)
1.81
Spectroscopy Details
LCO Spectrum
2023-10-19 (OGG)
Known Taxonomies
None
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