1999 XS104

1999XS104, 1989 XR2, 1989XR2, 49864, J89X02R, J99XA4S

All data for this body: [vot]

MPC data
Name (number) 1999 XS104 (49864)
a 2.20232
e 0.06189
i / sin(i) 5.2942 / 0.09227
q 2.06603
Q 2.33861
ω 113.7276
Node 56.0649
m 210.1074
n 0.3016
Epoch 2460800.5
nobs 4052
nopp 23
Years observed 1982-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.203
ep 0.128
sin(ip) 0.089
G 0.150
H 14.760
Mass
D 3.19 0.152
pV 0.301 0.0674
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 1.368
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 0 Flora Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2028 0.1278 0.0891 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.19 0.152 0.152 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.301 0.0674 0.0674 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
14.76 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 0.228 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT