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Minor planet follow-up portal
v. 3.17.1
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,V45,V47; (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-18 19:39
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61115.0
March 16, 2026
Orbital inclination in deg
23.02356
Longitude of Ascending Node (deg)
157.28182
Arg of perihelion (deg)
216.14035
Eccentricity
0.4003099
Mean distance (AU)
0.944276
Mean Anomaly (deg)
125.08893
Absolute Magnitude (H)
20.33
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
305
Diameter in meters
(range)
147 - 1142
Physical Parameters
Absolute Magnitude
E2026-EA1
20.23
Diameter
Initial Diameter Guess using H=20.33 and albedo=0.14 (0.01 to 0.5)
MPC Default
305.11 m
+837.0 / -144.0
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
Follow-up Details
Number of observations
202
Arc length (days)
4749.00
Time since last observation (days)
3629.82
Spectroscopy Details
Known Taxonomies
None
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