Marchis

06639, 1977 LZ, 1977LZ, 1989 SO8, 1989SO8, J77L00Z, J89S08O

All data for this body: [vot]

MPC data
Name (number) Marchis (6639)
a 3.17801
e 0.13316
i / sin(i) 2.5102 / 0.04380
q 2.75483
Q 3.60119
ω 221.3579
Node 69.0678
m 161.8341
n 0.1740
Epoch 2460800.5
nobs 3606
nopp 31
Years observed 1987-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.158
ep 0.146
sin(ip) 0.028
G 0.150
H 12.890
Mass
D 14.14 0.118
pV 0.071 0.0055
Value
Rotational Period 59.840
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.2900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1579 0.1457 0.0279 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.12 0.208 0.208 Masiero 2011ApJ...741...68M NEATM
14.13 0.144 0.144 Masiero 2011ApJ...741...68M NEATM
15.09 1.180 1.180 Usui 2011PASJ...63.1117U NEATM
15.52 3.100 3.100 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0260 0.0260 Ali-Lagoa 2018A&A...612A..85A NEATM
0.064 0.0073 0.0073 Masiero 2011ApJ...741...68M NEATM
0.081 0.0088 0.0088 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
12.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
59.848 2 Sidereal Durech 2020A&A...643A..59D Model