Polyhymnia

00033, 1854 UB, 1854UB, 1887 HA, 1887HA, 1938 FE, 1938FE, 1953 AK, 1953AK, 1957 YL, 1957YL, 1963 DG, 1963DG, 1976 YT7, 1976YT7, I54U00B, I87H00A, J38F00E, J53A00K, J57Y00L, J63D00G, J76Y07T

All data for this body: [vot]

MPC data
Name (number) Polyhymnia (33)
a 2.87333
e 0.33169
i / sin(i) 1.8522 / 0.03232
q 1.92027
Q 3.82639
ω 338.5927
Node 8.4378
m 305.3635
n 0.2024
Epoch 2460200.5
nobs 4522
nopp 74
Years observed 1856-2023
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.866
ep 0.297
sin(ip) 0.035
Value Standard error
G 0.150
H 8.520
Mass
D 53.74 0.830
pV 0.254 0.0269
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8661 0.2973 0.0348 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
49.82 4.980 4.980 Ali-Lagoa 2018A&A...612A..85A NEATM
52.93 2.300 2.300 Masiero 2012ApJ...759L...8M NEATM
53.98 0.910 0.910 Usui 2011PASJ...63.1117U NEATM
54.39 11.840 11.840 Nugent 2016AJ....152...63N NEATM
55.52 11.100 11.100 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.230 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.240 0.0320 0.0320 Masiero 2012ApJ...759L...8M NEATM
0.255 0.1020 0.1020 Ali-Lagoa 2018A&A...612A..85A NEATM
0.316 0.0630 0.0630 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
8.52 MPC-2023-12-04 MPC-2023-12-04 Phot