Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.17.1
439437 (2013 NK4)
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Type
NEO (Apollo) [PHA]
Status
Not Following
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,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
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
No blocks have been scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2026-May-12 07:02
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61173.0
May 13, 2026
Orbital inclination in deg
6.54751
Longitude of Ascending Node (deg)
33.69269
Arg of perihelion (deg)
50.60049
Eccentricity
0.54992
Mean distance (AU)
1.0226472
Mean Anomaly (deg)
59.06319
Absolute Magnitude (H)
18.98
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
568
Diameter in meters
(range)
274 - 2126
Physical Parameters
Absolute Magnitude
MPO969328
18.94
Diameter
Initial Diameter Guess using H=18.98 and albedo=0.14 (0.01 to 0.5)
MPC Default
568.15 m
+1558.0 / -268.0
Follow-up Details
Number of observations
631
Arc length (days)
5113.00
Time since last observation (days)
3.29
Spectroscopy Details
Known Taxonomies
None
×
No messages.