Landau

02142, 1960 DB, 1960DB, 1972 GA, 1972GA, 1974 SL1, 1974SL1, 1977 EE, 1977EE, J60D00B, J72G00A, J74S01L, J77E00E

All data for this body: [vot]

MPC data
Name (number) Landau (2142)
a 3.16690
e 0.11654
i / sin(i) 0.6646 / 0.01160
q 2.79782
Q 3.53598
ω 32.2266
Node 155.5602
m 53.5274
n 0.1749
Epoch 2460200.5
nobs 4298
nopp 38
Years observed 1951-2023
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.174
ep 0.137
sin(ip) 0.018
Value Standard error
G 0.150
H 12.210
Mass
D 20.39 0.230
pV 0.056 0.0065
Rotational Period 19.200
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.6600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1743 0.1366 0.0180 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.05 4.010 4.010 Ali-Lagoa 2018A&A...612A..85A NEATM
20.13 0.269 0.269 Masiero 2011ApJ...741...68M NEATM
20.70 0.620 0.620 Usui 2011PASJ...63.1117U NEATM
21.31 4.260 4.260 Ali-Lagoa 2018A&A...612A..85A NEATM
21.58 0.660 0.660 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0079 0.0079 Masiero 2011ApJ...741...68M NEATM
0.063 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.066 0.0140 0.0140 Masiero 2012ApJ...759L...8M NEATM
0.072 0.0290 0.0290 Ali-Lagoa 2018A&A...612A..85A 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
12.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.20 Hayes 2017MPBu...44..306H Lightcurve
9.70 Chang 2016ApJS..227...20C Lightcurve