Groombridge

05657, 1936 QE1, 1936QE1, 1986 RU1, 1986RU1, J36Q01E, J86R01U

All data for this body: [vot]

MPC data
Name (number) Groombridge (5657)
a 2.58636
e 0.16556
i / sin(i) 14.1261 / 0.24406
q 2.15815
Q 3.01456
ω 204.4578
Node 166.5883
m 305.2255
n 0.2370
Epoch 2460200.5
nobs 7060
nopp 26
Years observed 1936-2023
rms 0.34
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.587
ep 0.134
sin(ip) 0.235
Value Standard error
G 0.150
H 13.200
Mass
D 7.33 0.237
pV 0.296 0.0269
Rotational Period 7.435
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.8700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5865 0.1338 0.2352 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.42 1.260 1.260 Nugent 2016AJ....152...63N NEATM
7.25 1.085 1.085 Masiero 2011ApJ...741...68M NEATM
7.37 0.247 0.247 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.290 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.296 0.0276 0.0276 Masiero 2011ApJ...741...68M NEATM
0.327 0.2971 0.2971 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
13.20 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.43 Pravec LCDB Lightcurve
7.44 Durech 2018A&A...617A..57D Model