1999 XR181

1999XR181, 71143, J99XI1R

All data for this body: [vot]

MPC data
Name (number) 1999 XR181 (71143)
a 2.59862
e 0.20960
i / sin(i) 14.4876 / 0.25017
q 2.05395
Q 3.14329
ω 283.7035
Node 33.8832
m 328.4958
n 0.2353
Epoch 2460200.5
nobs 2669
nopp 19
Years observed 1999-2023
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.599
ep 0.161
sin(ip) 0.250
Value Standard error
G 0.150
H 13.790
Mass
D 5.15 0.206
pV 0.259 0.0284
Rotational Period 12.566
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5987 0.1606 0.2503 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.04 0.221 0.221 Masiero 2011ApJ...741...68M NEATM
5.67 1.360 1.360 Nugent 2016AJ....152...63N NEATM
5.85 0.700 0.700 Masiero 2011ApJ...741...68M NEATM
6.14 1.410 1.410 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.180 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.225 0.0560 0.0560 Masiero 2011ApJ...741...68M NEATM
0.304 0.0383 0.0383 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
13.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.57 Pal 2020ApJS..247...26P Lightcurve