Changshi

03221, 1954 KG, 1954KG, 1954 LJ, 1954LJ, 1970 GU1, 1970GU1, 1973 DO, 1973DO, 1974 RS1, 1974RS1, 1981 XF2, 1981XF2, J54K00G, J54L00J, J70G01U, J73D00O, J74R01S, J81X02F

All data for this body: [vot]

MPC data
Name (number) Changshi (3221)
a 2.20362
e 0.15436
i / sin(i) 3.6512 / 0.06368
q 1.86346
Q 2.54378
ω 233.4647
Node 78.5868
m 200.3554
n 0.3013
Epoch 2460800.5
nobs 5508
nopp 34
Years observed 1953-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.204
ep 0.103
sin(ip) 0.055
G 0.150
H 13.040
Mass
D 6.20 0.026
pV 0.369 0.0297
Value
Rotational Period 2.700
Period quality 3
Spectral Class S
Spectral Class Score 13.095
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2041 0.1029 0.0553 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.62 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
6.00 0.040 0.040 Masiero 2014ApJ...791..121M NEATM
6.36 0.035 0.035 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.339 0.0459 0.0459 Masiero 2011ApJ...741...68M NEATM
0.370 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.424 0.0620 0.0620 Masiero 2012ApJ...759L...8M 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
13.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.709 3 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.49 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8491 0.8491 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT