1999 XR4

1999XR4, 47307, J99X04R

All data for this body: [vot]

MPC data
Name (number) 1999 XR4 (47307)
a 2.34183
e 0.16860
i / sin(i) 2.5294 / 0.04413
q 1.94700
Q 2.73667
ω 4.2162
Node 131.4624
m 169.5216
n 0.2750
Epoch 2460200.5
nobs 1477
nopp 19
Years observed 1995-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.343
ep 0.204
sin(ip) 0.035
Value Standard error
G 0.150
H 15.660
Mass
D
pV
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.6800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3428 0.2039 0.0351 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
15.66 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.45 Erasmus 2020ApJS..247...13E Lightcurve