Polakis

04078, 1949 QH2, 1949QH2, 1976 UY3, 1976UY3, 1983 AC, 1983AC, 1987 YX, 1987YX, J49Q02H, J76U03Y, J83A00C, J87Y00X

All data for this body: [vot]

MPC data
Name (number) Polakis (4078)
a 3.02182
e 0.10587
i / sin(i) 11.6041 / 0.20115
q 2.70190
Q 3.34173
ω 229.7567
Node 83.0600
m 59.5282
n 0.1876
Epoch 2460200.5
nobs 4405
nopp 29
Years observed 1949-2023
rms 0.44
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.017
ep 0.095
sin(ip) 0.181
Value Standard error
G 0.150
H 11.300
Mass
D 19.62 0.123
pV 0.141 0.0088
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0170 0.0947 0.1813 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.29 3.660 3.660 Ali-Lagoa 2018A&A...612A..85A NEATM
19.56 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
19.65 0.250 0.250 Masiero 2014ApJ...791..121M NEATM
20.83 0.670 0.670 Usui 2011PASJ...63.1117U NEATM
21.60 4.320 4.320 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.140 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.140 0.0198 0.0198 Masiero 2011ApJ...741...68M NEATM
0.144 0.0580 0.0580 Ali-Lagoa 2018A&A...612A..85A NEATM
0.201 0.0800 0.0800 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
11.30 MPC-2023-12-04 MPC-2023-12-04 Phot