1999 XJ4

1999XJ4, 2001 BO44, 2001BO44, 25448, J99X04J, K01B44O

All data for this body: [vot]

MPC data
Name (number) 1999 XJ4 (25448)
a 2.37262
e 0.16123
i / sin(i) 3.0745 / 0.05363
q 1.99009
Q 2.75515
ω 116.3568
Node 106.1173
m 185.8170
n 0.2697
Epoch 2460800.5
nobs 1858
nopp 21
Years observed 1997-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.373
ep 0.187
sin(ip) 0.040
G 0.150
H 15.330
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.671
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3735 0.1867 0.0397 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
15.33 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
S S 0.2963 0.8810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9822 0.8810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT