Lena

00789, 1914MA, 1970CE, J14M00A, J70C00E

All data for this body: [vot]

MPC data
Name (number) Lena (789)
Packed designation 00789
a 2.68500
e 0.14768
i / sin(i) 10.7769 / 0.18699
q 2.28847
Q 3.08152
ω 43.6204
Node 232.5811
m 153.5777
n 0.2240
Epoch 2459600.5
nobs 3501
nopp 40
Years observed 1915-2022
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.686
ep 0.149
sin(ip) 0.199
Value Standard error
G 0.150
H 11.340
Mass
D 22.99 0.124
pV 0.140 0.0108
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6858 0.1486 0.1992 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.16 4.220 4.220 Nugent 2016AJ....152...63N NEATM
20.56 0.340 0.340 Usui 2011PASJ...63.1117U NEATM
20.72 2.070 2.070 Ali-Lagoa 2018A&A...612A..85A NEATM
20.80 1.200 1.200 Hanus 2018Icar..309..297H RADIOMETRY_TPM
21.82 2.180 2.180 Ali-Lagoa 2018A&A...612A..85A NEATM
22.30 0.400 0.400 Hanus 2018Icar..309..297H RADIOMETRY_TPM
22.48 0.310 0.310 Masiero 2014ApJ...791..121M NEATM
23.87 0.162 0.162 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.131 0.0260 0.0260 Ali-Lagoa 2018A&A...612A..85A NEATM
0.137 0.0147 0.0147 Masiero 2011ApJ...741...68M NEATM
0.145 0.0290 0.0290 Ali-Lagoa 2018A&A...612A..85A NEATM
0.150 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.230 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.34 MPC-2022-01-18 MPC-2022-01-18 Phot