Changchun

07485, 1931 XQ, 1931XQ, 1994 XO, 1994XO, J31X00Q, J94X00O

All data for this body: [vot]

MPC data
Name (number) Changchun (7485)
a 2.85905
e 0.19740
i / sin(i) 13.3439 / 0.23080
q 2.29468
Q 3.42341
ω 307.2506
Node 88.9420
m 125.5077
n 0.2039
Epoch 2460800.5
nobs 5948
nopp 26
Years observed 1952-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Itha (918)
 
ap 2.862
ep 0.160
sin(ip) 0.212
G 0.150
H 12.160
Mass
D 10.63 0.104
pV 0.327 0.0496
Value
Rotational Period 10.230
Period quality 3-
Spectral Class L
Spectral Class Score 1.110
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
918 Itha 0 Itha Novakovic 2019EPSC...13.1671N HCM
918 Itha 633 Itha Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8617 0.1604 0.2118 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.54 0.131 0.131 Masiero 2011ApJ...741...68M NEATM
10.79 0.170 0.170 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.320 0.0700 0.0700 Masiero 2014ApJ...791..121M NEATM
0.333 0.0703 0.0703 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
12.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.2335 2 Synodic Pal 2020ApJS..247...26P Lightcurve
10.234 3- Synodic Marchini 2019MPBu...46..213M Lightcurve
10.2349 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.185 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT