1999 XD196

1999XD196, 1997 MB3, 1997MB3, 38595, J97M03B, J99XJ6D

All data for this body: [vot]

MPC data
Name (number) 1999 XD196 (38595)
a 2.76764
e 0.08493
i / sin(i) 10.5304 / 0.18276
q 2.53260
Q 3.00269
ω 224.9038
Node 300.6634
m 121.3030
n 0.2141
Epoch 2460800.5
nobs 2900
nopp 22
Years observed 1997-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.768
ep 0.114
sin(ip) 0.201
G 0.150
H 14.070
Mass
D 9.71 0.072
pV 0.054 0.0077
Value
Rotational Period 40.782
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7679 0.1136 0.2008 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.36 3.120 3.120 Masiero 2021PSJ.....2..162M NEATM
10.50 3.100 3.100 Masiero 2020PSJ.....1....5M NEATM
8.74 2.090 2.090 Nugent 2016AJ....152...63N NEATM
9.71 0.072 0.072 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0330 0.0330 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0089 0.0089 Masiero 2011ApJ...741...68M NEATM
0.059 0.0270 0.0490 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0200 0.0200 Nugent 2016AJ....152...63N 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
14.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
26.543 2 Sidereal Durech 2023A&A...675A..24D Model
40.7823 2 Synodic Pal 2020ApJS..247...26P Lightcurve