1999 XW129

1999XW129, 1991 HT1, 1991HT1, 2001 FD13, 2001FD13, 49874, J91H01T, J99XC9W, K01F13D

All data for this body: [vot]

MPC data
Name (number) 1999 XW129 (49874)
a 2.24042
e 0.17913
i / sin(i) 7.0952 / 0.12352
q 1.83908
Q 2.64175
ω 255.0087
Node 22.7689
m 355.7682
n 0.2939
Epoch 2460800.5
nobs 1740
nopp 21
Years observed 1991-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.240
ep 0.150
sin(ip) 0.115
G 0.150
H 15.840
Mass
D 2.47 0.301
pV 0.201 0.0500
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 6.554
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 0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2405 0.1499 0.1147 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.47 0.301 0.301 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.201 0.0500 0.0500 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
15.84 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.759 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
CX 0.28 Bus VIS Carvano 2010A&A...510A..43C PHOT
V X 0.2585 0.2260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2632 0.2260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT