Miahelena

02911, 1928DL, 1938GJ, 1942CM, 1952HQ1, 1952HZ1, 1971HK, 1975EF2, 1977TE6, J28D00L, J38G00J, J42C00M, J52H01Q, J52H01Z, J71H00K, J75E02F, J77T06E

All data for this body: [vot]

MPC data
Name (number) Miahelena (2911)
Packed designation 02911
a 2.79361
e 0.09726
i / sin(i) 9.6176 / 0.16707
q 2.52191
Q 3.06531
ω 64.2703
Node 149.2168
m 325.4328
n 0.2111
Epoch 2459600.5
nobs 3001
nopp 29
Years observed 1938-2022
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.794
ep 0.131
sin(ip) 0.158
Value Standard error
G 0.150
H 11.790
Mass
D 12.34 0.189
pV 0.257 0.0420
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion 0.6400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7942 0.1311 0.1578 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.21 0.192 0.192 Masiero 2011ApJ...741...68M NEATM
16.34 1.140 1.140 Usui 2011PASJ...63.1117U NEATM
16.75 3.350 3.350 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.151 0.0600 0.0600 Ali-Lagoa 2018A&A...612A..85A NEATM
0.357 0.0587 0.0587 Masiero 2011ApJ...741...68M 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
11.79 MPC-2022-01-18 MPC-2022-01-18 Phot