1999 XD99

1999XD99, 1998 QF19, 1998QF19, 49857, J98Q19F, J99X99D

All data for this body: [vot]

MPC data
Name (number) 1999 XD99 (49857)
a 2.39223
e 0.05075
i / sin(i) 2.9694 / 0.05180
q 2.27082
Q 2.51365
ω 217.4483
Node 27.9651
m 153.4105
n 0.2664
Epoch 2460800.5
nobs 2408
nopp 20
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.393
ep 0.068
sin(ip) 0.044
G 0.150
H 15.010
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.193
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
126 Velleda -1 Velleda -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3927 0.0676 0.0444 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
15.01 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 0.37 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.6546 0.5120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7543 0.5120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V S 0.2850 0.5120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT