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Minor planet follow-up portal
v. 3.15.2
2021 TW2
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Schedule Spectroscopic Observations
Name
P21m04v → 2021 TW2
Type
NEO
Status
Not Following
Source
Minor Planet Center
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
2021-11-05T12:21:00
2021-11-05T15:18:00
OGG
Req: 2701686
2021-11-05T13:39:00
2021-11-05T15:18:00
OGG
Req: 2701706
Measurements
Show Measurements
Plot Visibility
Last Update: 2021-Oct-06 03:14
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59480.0
Sept. 23, 2021
Orbital inclination in deg
4.11796
Longitude of Ascending Node (deg)
18.2389
Arg of perihelion (deg)
13.19961
Eccentricity
0.2188081
Mean distance (AU)
1.2712409
Mean Anomaly (deg)
339.95392
Absolute Magnitude (H)
25.6
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
27
Diameter in meters
(range)
13 - 101
Physical Parameters
Diameter
Initial Diameter Guess using H=25.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
26.94 m
+74.0 / -13.0
Follow-up Details
NEOCP
digest2
score
100
Number of observations
10
Arc length (days)
10.82
Time since last observation (days)
1.88
Spectroscopy Details
Known Taxonomies
None
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