1997PA4

1986RF17, 65866, J86R17F, J97P04A

All data for this body: [vot]

MPC data
Name (number) 1997PA4 (65866)
Packed designation 65866
a 3.17280
e 0.25351
i / sin(i) 24.3734 / 0.41268
q 2.36847
Q 3.97712
ω 96.4969
Node 307.5026
m 54.0942
n 0.1744
Epoch 2459600.5
nobs 2044
nopp 18
Years observed 1986-2022
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Euphrosyne (31)
 
ap 3.161
ep 0.203
sin(ip) 0.447
Value Standard error
G 0.150
H 12.900
Mass
D 16.02 0.049
pV 0.052 0.0012
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
31 Euphrosyne 901 Euphrosyne Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1610 0.2025 0.4471 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.57 0.100 0.100 Nugent 2016AJ....152...63N NEATM
16.20 0.069 0.069 Masiero 2011ApJ...741...68M NEATM
16.71 4.960 4.960 Masiero 2021PSJ.....2..162M NEATM
17.04 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
18.42 5.630 5.630 Masiero 2012ApJ...759L...8M NEATM
20.28 6.550 6.550 Masiero 2021PSJ.....2..162M NEATM
23.02 1.890 1.890 Usui 2011PASJ...63.1117U NEATM
23.71 4.740 4.740 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.027 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.033 0.0140 0.0250 Masiero 2021PSJ.....2..162M NEATM
0.043 0.0340 0.0340 Masiero 2012ApJ...759L...8M NEATM
0.045 0.0230 0.0470 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.053 0.0012 0.0012 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
12.90 MPC-2022-01-18 MPC-2022-01-18 Phot