1999 XD8

1999XD8, 13831, 1981 RV7, 1981RV7, 1991 LN4, 1991LN4, J81R07V, J91L04N, J99X08D

All data for this body: [vot]

MPC data
Name (number) 1999 XD8 (13831)
a 2.30378
e 0.16940
i / sin(i) 6.0294 / 0.10504
q 1.91352
Q 2.69404
ω 253.0262
Node 108.2719
m 158.8657
n 0.2819
Epoch 2460800.5
nobs 2865
nopp 21
Years observed 1991-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.304
ep 0.125
sin(ip) 0.094
G 0.150
H 14.690
Mass
D
pV
Value
Rotational Period 3.792
Period quality 2
Spectral Class S
Spectral Class Score 5.814
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.7300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3045 0.1254 0.0936 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
14.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.79162 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.969 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT