1999 XL204

1999XL204, 43179, J99XK4L

All data for this body: [vot]

MPC data
Name (number) 1999 XL204 (43179)
a 3.14336
e 0.07617
i / sin(i) 17.0902 / 0.29388
q 2.90392
Q 3.38281
ω 235.4139
Node 74.2481
m 248.6547
n 0.1769
Epoch 2460200.5
nobs 2305
nopp 21
Years observed 1998-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.143
ep 0.065
sin(ip) 0.276
Value Standard error
G 0.150
H 13.450
Mass
D 11.69 0.066
pV 0.074 0.0099
Rotational Period 9.838
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1428 0.0646 0.2763 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.69 0.066 0.066 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.074 0.0099 0.0099 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
13.45 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.84 Durech 2023A&A...675A..24D Model