Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.17.1a
2025 XA4
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Name
P12iHbU → 2025 XA4
Type
NEO
Status
Not Following
Source
Minor Planet Center
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
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
No blocks have been scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2025-Dec-13 00:54
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61021.0
Dec. 12, 2025
Orbital inclination in deg
18.12579
Longitude of Ascending Node (deg)
290.01669
Arg of perihelion (deg)
191.7913
Eccentricity
0.5663106
Mean distance (AU)
2.4245698
Mean Anomaly (deg)
351.27496
Absolute Magnitude (H)
22.1
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
135
Diameter in meters
(range)
65 - 505
Physical Parameters
Diameter
Initial Diameter Guess using H=22.1 and albedo=0.14 (0.01 to 0.5)
MPC Default
135.04 m
+370.0 / -64.0
Follow-up Details
NEOCP
digest2
score
91
Number of observations
18
Arc length (days)
1.56
Time since last observation (days)
1.07
Spectroscopy Details
Known Taxonomies
None
×
No messages.