Yangtze

12757, 1978 QM1, 1978QM1, 1992 LQ2, 1992LQ2, 1993 RY11, 1993RY11, 1998 RE55, 1998RE55, J78Q01M, J92L02Q, J93R11Y, J98R55E

All data for this body: [vot]

MPC data
Name (number) Yangtze (12757)
a 2.91247
e 0.08223
i / sin(i) 1.0629 / 0.01855
q 2.67297
Q 3.15197
ω 113.1886
Node 220.5941
m 147.9141
n 0.1983
Epoch 2460800.5
nobs 2856
nopp 26
Years observed 1978-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.913
ep 0.054
sin(ip) 0.034
G 0.150
H 13.590
Mass
D 5.45 0.143
pV 0.260 0.0378
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 37.517
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 0.4300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9129 0.0537 0.0343 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.45 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.260 0.0378 0.0378 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
13.59 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 0.3767 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.61 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.811 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.3667 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5400 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6070 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6545 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8880 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8895 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9595 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT