2003 XL18

2003XL18, 1999 EC13, 1999EC13, J99E13C, K03X18L, R6679

All data for this body: [vot]

MPC data
Name (number) 2003 XL18 (276679)
a 3.21100
e 0.28384
i / sin(i) 12.3059 / 0.21313
q 2.29960
Q 4.12240
ω 77.8690
Node 331.1701
m 263.3404
n 0.1713
Epoch 2460800.5
nobs 481
nopp 12
Years observed 1999-2025
rms 0.96
Best values
[raw, vot]

Value Standard error
Parent Theobalda (778)
 
ap 3.187
ep 0.256
sin(ip) 0.249
G 0.150
H 15.730
Mass
D 3.74 0.199
pV 0.052 0.0087
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
778 Theobalda 0 Theobalda Novakovic 2019EPSC...13.1671N HCM
778 Theobalda 617 Theobalda Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1872 0.2562 0.2486 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.70 0.202 0.202 Masiero 2011ApJ...741...68M NEATM
5.08 1.210 1.210 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.032 0.0150 0.0270 Masiero 2021PSJ.....2..162M NEATM
0.056 0.0095 0.0095 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
15.73 MPC-2023-12-04 MPC-2023-12-04 Phot