Popescu

1985 PC, 1985PC, 1998 KY4, 1998KY4, 22281, J85P00C, J98K04Y

All data for this body: [vot]

MPC data
Name (number) Popescu (22281)
a 2.24180
e 0.11147
i / sin(i) 3.2301 / 0.05635
q 1.99191
Q 2.49170
ω 87.0176
Node 184.4927
m 344.3474
n 0.2936
Epoch 2460800.5
nobs 3903
nopp 21
Years observed 1985-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.242
ep 0.100
sin(ip) 0.061
G 0.150
H 14.150
Mass
D 3.48 0.196
pV 0.312 0.0906
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 28.556
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2418 0.0998 0.0614 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.46 0.199 0.199 Masiero 2011ApJ...741...68M NEATM
4.12 1.050 1.050 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.407 0.1263 0.1263 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
14.15 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 S 0.4848 0.9310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S None Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.125 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9737 0.9310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9949 0.9310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9990 0.9310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.9310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT