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Minor planet follow-up portal
v. 3.14.2
2021 XW2
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Name
C090NZ5 → 2021 XW2
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-05 02:11
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59550.0
Dec. 2, 2021
Orbital inclination in deg
6.89243
Longitude of Ascending Node (deg)
332.9085
Arg of perihelion (deg)
8.99412
Eccentricity
0.6764305
Mean distance (AU)
2.4962696
Mean Anomaly (deg)
14.87359
Absolute Magnitude (H)
23.0
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
89
Diameter in meters
(range)
43 - 334
Physical Parameters
Diameter
Initial Diameter Guess using H=23.0 and albedo=0.14 (0.01 to 0.5)
MPC Default
89.22 m
+245.0 / -42.0
Follow-up Details
NEOCP
digest2
score
100
Number of observations
12
Arc length (days)
2.86
Time since last observation (days)
1.36
Spectroscopy Details
Known Taxonomies
None
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