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Minor planet follow-up portal
v. 3.14.2
2004 WK1
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Type
NEO (Apollo) [PHA]
Status
Not Following
Source
Yarkovsky
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: 2022-Jan-28 19:17
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59552.0
Dec. 4, 2021
Orbital inclination in deg
34.46619
Longitude of Ascending Node (deg)
51.79536
Arg of perihelion (deg)
223.14618
Eccentricity
0.7300845
Mean distance (AU)
1.0843709
Mean Anomaly (deg)
84.20819
Absolute Magnitude (H)
21.17
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
207
Diameter in meters
(range)
100 - 775
Physical Parameters
Diameter
Initial Diameter Guess using H=21.17 and albedo=0.14 (0.01 to 0.5)
MPC Default
207.23 m
+568.0 / -98.0
Absolute Magnitude
MPO659807
21.05
Follow-up Details
Number of observations
45
Arc length (days)
6575.00
Time since last observation (days)
6.26
Spectroscopy Details
Known Taxonomies
None
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