Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.17.1a
2012 DK31
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
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 - V98; (TEMP; 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
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
No blocks have been scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2025-Dec-31 20:29
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61000.0
Nov. 21, 2025
Orbital inclination in deg
11.17111
Longitude of Ascending Node (deg)
165.17426
Arg of perihelion (deg)
149.28136
Eccentricity
0.5766489
Mean distance (AU)
0.6937699
Mean Anomaly (deg)
151.04696
Absolute Magnitude (H)
22.0
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
141
Diameter in meters
(range)
68 - 529
Physical Parameters
Absolute Magnitude
E2025R78
22.0
Diameter
Initial Diameter Guess using H=22.0 and albedo=0.14 (0.01 to 0.5)
MPC Default
141.4 m
+388.0 / -67.0
Follow-up Details
Number of observations
150
Arc length (days)
3983.00
Time since last observation (days)
1068.11
Spectroscopy Details
Known Taxonomies
None
×
No messages.