Ningxia

02539, 1964 TS2, 1964TS2, 1974 QC, 1974QC, 1981 SF1, 1981SF1, J64T02S, J74Q00C, J81S01F

All data for this body: [vot]

MPC data
Name (number) Ningxia (2539)
a 2.26252
e 0.16862
i / sin(i) 3.9811 / 0.06943
q 1.88102
Q 2.64402
ω 215.4253
Node 193.2560
m 265.3070
n 0.2896
Epoch 2460800.5
nobs 3439
nopp 27
Years observed 1964-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.263
ep 0.160
sin(ip) 0.075
G 0.150
H 14.540
Mass
D 3.63 0.224
pV 0.279 0.0248
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.783
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2625 0.1603 0.0754 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.63 0.224 0.224 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.279 0.0248 0.0248 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
14.54 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 0.589 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.56 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9439 0.9439 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT