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Minor planet follow-up portal
v. 3.14.2
2021 CH
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Schedule Spectroscopic Observations
Name
C4RLHN2 → 2021 CH
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)
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Measurements
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Last Update: 2021-Feb-10 00:00
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
5.00085
Longitude of Ascending Node (deg)
318.57012
Arg of perihelion (deg)
212.03006
Eccentricity
0.4186705
Mean distance (AU)
1.6658164
Mean Anomaly (deg)
323.75606
Absolute Magnitude (H)
27.4
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
12
Diameter in meters
(range)
6 - 44
Physical Parameters
Diameter
Initial Diameter Guess using H=27.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
11.76 m
+32.0 / -6.0
Follow-up Details
NEOCP
digest2
score
96
Number of observations
32
Arc length (days)
9.00
Time since last observation (days)
381.99
Spectroscopy Details
Known Taxonomies
None
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