1980 UR1

1980UR1, 1998 VD21, 1998VD21, 27674, J80U01R, J98V21D

All data for this body: [vot]

MPC data
Name (number) 1980 UR1 (27674)
a 2.34571
e 0.21400
i / sin(i) 7.7089 / 0.13414
q 1.84372
Q 2.84769
ω 201.8299
Node 233.6631
m 112.4929
n 0.2743
Epoch 2460800.5
nobs 2033
nopp 22
Years observed 1951-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.346
ep 0.227
sin(ip) 0.145
G 0.150
H 15.160
Mass
D 2.77 0.159
pV 0.277 0.0145
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 3.864
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3460 0.2267 0.1447 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.77 0.159 0.159 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.277 0.0145 0.0145 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
15.16 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
L 0.644 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT