1999 RR221

1999RR221, A2166, J99RM1R

All data for this body: [vot]

MPC data
Name (number) 1999 RR221 (102166)
a 2.30129
e 0.15022
i / sin(i) 5.7306 / 0.09985
q 1.95558
Q 2.64700
ω 3.3920
Node 320.5631
m 158.9172
n 0.2823
Epoch 2460800.5
nobs 1167
nopp 18
Years observed 1998-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.301
ep 0.108
sin(ip) 0.105
G 0.150
H 16.020
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3014 0.1084 0.1051 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.02 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
C Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT