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Minor planet follow-up portal
v. 3.14.2
2021 VK4
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Name
C6EM412 → 2021 VK4
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-Aug-22 06:23
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59600.0
Jan. 21, 2022
Orbital inclination in deg
5.40013
Longitude of Ascending Node (deg)
238.43085
Arg of perihelion (deg)
61.7052
Eccentricity
0.160592
Mean distance (AU)
1.0665176
Mean Anomaly (deg)
151.19599
Absolute Magnitude (H)
24.99
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
36
Diameter in meters
(range)
17 - 134
Physical Parameters
Absolute Magnitude
autocmod 2.9e
MPO666700
24.99
+/- 0.38085
Diameter
Initial Diameter Guess using H=24.99 and albedo=0.14 (0.01 to 0.5)
MPC Default
35.68 m
+98.0 / -17.0
Follow-up Details
NEOCP
digest2
score
79
Number of observations
31
Arc length (days)
5.00
Time since last observation (days)
195.26
Spectroscopy Details
(Plots)
MANOS Target
(No Data Yet)
Known Taxonomies
None
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