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Minor planet follow-up portal
v. 3.14.2
2021 XB2
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Schedule Spectroscopic Observations
Name
C090ZT5 → 2021 XB2
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
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Measurements
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Last Update: 2021-Dec-04 06:45
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59550.0
Dec. 2, 2021
Orbital inclination in deg
10.8623
Longitude of Ascending Node (deg)
317.22753
Arg of perihelion (deg)
281.53619
Eccentricity
0.5384863
Mean distance (AU)
0.8959331
Mean Anomaly (deg)
216.30429
Absolute Magnitude (H)
21.9
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
148
Diameter in meters
(range)
72 - 554
Physical Parameters
Diameter
Initial Diameter Guess using H=21.9 and albedo=0.14 (0.01 to 0.5)
MPC Default
148.07 m
+406.0 / -70.0
Follow-up Details
NEOCP
digest2
score
100
Number of observations
15
Arc length (days)
1.98
Time since last observation (days)
0.35
Spectroscopy Details
Known Taxonomies
None
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