Gruppetta

06561, 1991 TC4, 1991TC4, J91T04C

All data for this body: [vot]

MPC data
Name (number) Gruppetta (6561)
a 2.58957
e 0.18532
i / sin(i) 13.6703 / 0.23633
q 2.10966
Q 3.06948
ω 177.3021
Node 163.0702
m 267.6560
n 0.2365
Epoch 2460200.5
nobs 3263
nopp 27
Years observed 1984-2023
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.589
ep 0.153
sin(ip) 0.223
Value Standard error
G 0.150
H 13.400
Mass
D 6.18 0.307
pV 0.266 0.0563
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.6700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5890 0.1529 0.2228 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.18 0.307 0.307 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.266 0.0563 0.0563 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
13.40 MPC-2023-12-04 MPC-2023-12-04 Phot