2001 XR170

2001XR170, H3991, K01XH0R

All data for this body: [vot]

MPC data
Name (number) 2001 XR170 (173991)
a 3.14498
e 0.18565
i / sin(i) 0.2683 / 0.00468
q 2.56112
Q 3.72883
ω 260.7861
Node 131.8132
m 104.6483
n 0.1767
Epoch 2460800.5
nobs 629
nopp 18
Years observed 1995-2025
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.157
ep 0.147
sin(ip) 0.018
G 0.150
H 15.810
Mass
D
pV
Value
Rotational Period 9.130
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.0600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1569 0.1471 0.0180 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
15.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.132 2 Synodic Masiero 2009Icar..204..145M Lightcurve
9.14 2 Synodic Chang 2015ApJS..219...27C Lightcurve