Chang

02051, 1928 TC, 1928TC, 1935 DD, 1935DD, 1959 EF, 1959EF, 1966 QN, 1966QN, 1971 TA3, 1971TA3, 1971 YH, 1971YH, 1973 AG2, 1973AG2, 1974 HT1, 1974HT1, 1975 NO, 1975NO, 1976 UC, 1976UC, J28T00C, J35D00D, J59E00F, J66Q00N, J71T03A, J71Y00H, J73A02G, J74H01T, J75N00O, J76U00C

All data for this body: [vot]

MPC data
Name (number) Chang (2051)
a 2.84322
e 0.07827
i / sin(i) 1.3563 / 0.02367
q 2.62067
Q 3.06578
ω 175.9118
Node 215.0365
m 48.0774
n 0.2056
Epoch 2460800.5
nobs 5702
nopp 38
Years observed 1928-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.841
ep 0.045
sin(ip) 0.037
G 0.150
H 11.680
Mass
D 16.18 1.024
pV 0.164 0.0627
Value
Rotational Period 12.010
Period quality 3
Spectral Class S
Spectral Class Score 3.930
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.8000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8412 0.0450 0.0373 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.36 2.980 2.980 Masiero 2012ApJ...759L...8M NEATM
16.35 1.150 1.150 Usui 2011PASJ...63.1117U NEATM
17.12 3.430 3.430 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0640 0.0640 Ali-Lagoa 2018A&A...612A..85A NEATM
0.248 0.3130 0.3130 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
11.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.012 2+ Synodic Noschese 2020MPBu...47..154N Lightcurve
12.013 3 Synodic Marchini 2020MPBu...47....1M Lightcurve
12.01409 2 Sidereal Durech 2020A&A...643A..59D Model
12.0141 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
S 0.655 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT