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Minor planet follow-up portal
v. 3.14.2
2021 JR7
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Schedule Spectroscopic Observations
Name
A10xdTU → 2021 JR7
Type
NEO (Apollo)
Status
Not Following
Source
NASA
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: 2022-Mar-16 19:35
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59424.0
July 29, 2021
Orbital inclination in deg
8.86469
Longitude of Ascending Node (deg)
234.30547
Arg of perihelion (deg)
332.31983
Eccentricity
0.0764977
Mean distance (AU)
1.0913667
Mean Anomaly (deg)
87.80222
Absolute Magnitude (H)
25.43
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
29
Diameter in meters
(range)
14 - 109
Physical Parameters
Absolute Magnitude
autocmod 2.9c
MPO641195
25.4
+/- 0.43879
Diameter
Initial Diameter Guess using H=25.43 and albedo=0.14 (0.01 to 0.5)
MPC Default
29.14 m
+80.0 / -14.0
Follow-up Details
NEOCP
digest2
score
79
Number of observations
84
Arc length (days)
17.00
Time since last observation (days)
59.26
Spectroscopy Details
Known Taxonomies
None
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