Anchialos

18263, 1998 XP38, 1998XP38, 2000 AG5, 2000AG5, 5167 T-2, 5167T-2, J98X38P, K00A05G, T2S5167

All data for this body: [vot]

MPC data
Name (number) Anchialos (18263)
a 5.21059
e 0.04154
i / sin(i) 10.5976 / 0.18391
q 4.99414
Q 5.42705
ω 145.9117
Node 311.4043
m 77.0726
n 0.0829
Epoch 2460800.5
nobs 2353
nopp 26
Years observed 1973-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 11.470
Mass
D 21.18 0.473
pV 0.129 0.0083
Value
Rotational Period 10.300
Period quality 2+
Spectral Class None
Spectral Class Score
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
21.02 0.690 0.690 Grav 2011ApJ...742...40G NEATM
21.33 0.650 0.650 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.129 0.0090 0.0090 Grav 2012ApJ...759...49G NEATM
0.132 0.0210 0.0210 Grav 2011ApJ...742...40G 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
11.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.345 2+ Synodic Kalup 2021ApJS..254....7K Lightcurve
10.39 2 Synodic French 2015Icar..254....1F Lightcurve