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Minor planet follow-up portal
v. 3.17.1a
2012 DK31
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Type
NEO (Aten) [PHA]
Status
Actively Following
Characterization Target
Source
Goldstone
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)
ELP 0.4m - V45; (McDonald, Texas)
ELP 0.4m - V99; (TEMP; 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: 2026-Mar-04 07:49
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61096.0
Feb. 25, 2026
Orbital inclination in deg
11.17163
Longitude of Ascending Node (deg)
165.17334
Arg of perihelion (deg)
149.28399
Eccentricity
0.5766769
Mean distance (AU)
0.6937536
Mean Anomaly (deg)
314.78695
Absolute Magnitude (H)
22.09
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
136
Diameter in meters
(range)
66 - 508
Physical Parameters
Diameter
Initial Diameter Guess using H=22.09 and albedo=0.14 (0.01 to 0.5)
MPC Default
135.66 m
+372.0 / -64.0
Absolute Magnitude
E2025R78
22.0
Follow-up Details
Number of observations
152
Arc length (days)
4383.00
Time since last observation (days)
1131.87
Spectroscopy Details
Known Taxonomies
None
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