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Minor planet follow-up portal
v. 3.17.0
427684 (2004 DH2)
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Type
NEO (Aten)
Status
Actively Following
Characterization Target
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)
Site
Min Altitude
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Measurements
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Last Update: 2025-Dec-27 19:18
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60800.0
May 5, 2025
Orbital inclination in deg
23.02014
Longitude of Ascending Node (deg)
157.28823
Arg of perihelion (deg)
216.14505
Eccentricity
0.4003306
Mean distance (AU)
0.944308
Mean Anomaly (deg)
146.74157
Absolute Magnitude (H)
20.28
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
312
Diameter in meters
(range)
151 - 1168
Physical Parameters
Rotation Period
REFERENCE LIST:[Warner, B.D. (2015) Minor Planet Bull. 42, 172-183.]
LCDB (Rev. 2023-October); Warner et al., 2009
8.962 h
Absolute Magnitude
E2025G08
20.28
Diameter
Initial Diameter Guess using H=20.28 and albedo=0.14 (0.01 to 0.5)
MPC Default
312.22 m
+856.0 / -147.0
Follow-up Details
Number of observations
199
Arc length (days)
7712.00
Time since last observation (days)
268.03
Spectroscopy Details
Known Taxonomies
None
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