Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.14.2
2021 JF4
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Name
C5K5R22 → 2021 JF4
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)
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: 2021-May-11 07:21
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59344.0
May 10, 2021
Orbital inclination in deg
42.26357
Longitude of Ascending Node (deg)
39.73685
Arg of perihelion (deg)
79.95612
Eccentricity
0.6171572
Mean distance (AU)
1.8074447
Mean Anomaly (deg)
29.34489
Absolute Magnitude (H)
22.4
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
118
Diameter in meters
(range)
57 - 440
Physical Parameters
Diameter
Initial Diameter Guess using H=22.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
117.61 m
+322.0 / -55.0
Follow-up Details
NEOCP
digest2
score
81
Number of observations
23
Arc length (days)
2.01
Time since last observation (days)
0.54
Spectroscopy Details
Known Taxonomies
None
×
No messages.