1999 XN89

1999XN89, 71051, J99X89N

All data for this body: [vot]

MPC data
Name (number) 1999 XN89 (71051)
a 2.92643
e 0.10752
i / sin(i) 2.5561 / 0.04460
q 2.61177
Q 3.24108
ω 255.8451
Node 147.4132
m 311.1343
n 0.1969
Epoch 2460200.5
nobs 868
nopp 20
Years observed 1991-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.928
ep 0.074
sin(ip) 0.035
Value Standard error
G 0.150
H 15.080
Mass
D 4.21 0.415
pV 0.120 0.0597
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis 0.3200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9283 0.0744 0.0352 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.21 0.415 0.415 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.120 0.0597 0.0597 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
15.08 MPC-2023-12-04 MPC-2023-12-04 Phot