1991 UN3

1991UN3, 13972, J91U03N

All data for this body: [vot]

MPC data
Name (number) 1991 UN3 (13972)
a 2.29475
e 0.09685
i / sin(i) 4.5637 / 0.07957
q 2.07251
Q 2.51699
ω 305.1793
Node 84.1665
m 247.1421
n 0.2835
Epoch 2460800.5
nobs 3258
nopp 22
Years observed 1991-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.294
ep 0.074
sin(ip) 0.066
G 0.150
H 14.040
Mass
D 3.72 0.281
pV 0.366 0.0476
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 3.180
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2944 0.0740 0.0664 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.50 0.560 0.560 Nugent 2016AJ....152...63N NEATM
3.79 0.325 0.325 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.290 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.407 0.0593 0.0593 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.530 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT