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 2.23981
e 0.17906
i / sin(i) 7.0961 / 0.12353
q 1.83874
Q 2.64087
ω 255.1301
Node 22.7696
m 179.2433
n 0.2940
Epoch 2460200.5
nobs 1451
nopp 20
Years observed 1991-2023
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.240
ep 0.150
sin(ip) 0.115
Value Standard error
G 0.150
H 15.880
Mass
D 2.47 0.301
pV 0.201 0.0500
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
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-Oct-2022
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
15.88 MPC-2023-12-04 MPC-2023-12-04 Phot