1991 SR1

1991SR1, 12304, 1949 WQ1, 1949WQ1, J49W01Q, J91S01R

All data for this body: [vot]

MPC data
Name (number) 1991 SR1 (12304)
a 2.60860
e 0.16366
i / sin(i) 12.7755 / 0.22113
q 2.18167
Q 3.03553
ω 158.0405
Node 208.0713
m 213.6764
n 0.2339
Epoch 2460200.5
nobs 2634
nopp 23
Years observed 1949-2023
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.607
ep 0.133
sin(ip) 0.226
Value Standard error
G 0.150
H 13.320
Mass
D 6.62 0.093
pV 0.232 0.0349
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.4400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6073 0.1330 0.2257 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.62 0.093 0.093 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.232 0.0349 0.0349 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
13.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
65.81 Durech 2018A&A...617A..57D Model