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Minor planet follow-up portal
v. 3.14.2
2021 BT2
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Name
C4NDGQ2 → 2021 BT2
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-Jan-21 07:15
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59231.0
Jan. 17, 2021
Orbital inclination in deg
22.25622
Longitude of Ascending Node (deg)
306.92905
Arg of perihelion (deg)
39.05563
Eccentricity
0.4966803
Mean distance (AU)
0.9151585
Mean Anomaly (deg)
79.87209
Absolute Magnitude (H)
24.2
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
51
Diameter in meters
(range)
25 - 192
Physical Parameters
Diameter
Initial Diameter Guess using H=24.2 and albedo=0.14 (0.01 to 0.5)
MPC Default
51.34 m
+141.0 / -24.0
Follow-up Details
NEOCP
digest2
score
93
Number of observations
16
Arc length (days)
3.78
Time since last observation (days)
0.24
Spectroscopy Details
Known Taxonomies
None
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