Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.17.0
387746 (2003 MH4)
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Type
NEO (Apollo) [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)
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 19:26
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61033.0
Dec. 24, 2025
Orbital inclination in deg
3.91057
Longitude of Ascending Node (deg)
259.48209
Arg of perihelion (deg)
323.53266
Eccentricity
0.513108
Mean distance (AU)
1.9626847
Mean Anomaly (deg)
82.56361
Absolute Magnitude (H)
20.17
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
328
Diameter in meters
(range)
159 - 1229
Physical Parameters
Absolute Magnitude
E2025-OF6
20.13
Albedo
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
0.132
+/- 0.021
Diameter
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
0.366 km
+/- 0.008
Follow-up Details
Number of observations
430
Arc length (days)
7305.00
Time since last observation (days)
117.04
Spectroscopy Details
Known Taxonomies
None
×
No messages.