1998 XM2

1998XM2, J98X02M, O1596

All data for this body: [vot]

MPC data
Name (number) 1998 XM2 (241596)
a 1.80490
e 0.34008
i / sin(i) 27.0996 / 0.45554
q 1.19108
Q 2.41872
ω 99.0935
Node 248.5159
m 352.0348
n 0.4065
Epoch 2460800.5
nobs 993
nopp 12
Years observed 1952-2022
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.859
ep 0.293
sin(ip) 0.449
G 0.150
H 17.240
Mass
D 1.55 0.011
pV 0.106 0.0126
Value
Rotational Period 8.700
Period quality 3-
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.8594 0.2929 0.4485 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.19 0.570 0.570 Masiero 2021PSJ.....2..162M NEATM
1.55 0.014 0.014 Mainzer 2012ApJ...760L..12M NEATM
1.56 0.016 0.016 Mainzer 2011ApJ...743..156M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.105 0.0170 0.0170 Mainzer 2011ApJ...743..156M NEATM
0.106 0.0190 0.0190 Mainzer 2012ApJ...760L..12M NEATM
0.166 0.0930 0.2090 Masiero 2021PSJ.....2..162M 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
17.24 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.75 3- Synodic Warner 2016MPBu...43..143W Lightcurve