Purpurea

08585, 1992 EQ21, 1992EQ21, 2025 P-L, 2025P-L, J92E21Q, PLS2025

All data for this body: [vot]

MPC data
Name (number) Purpurea (8585)
a 3.22123
e 0.16612
i / sin(i) 9.5156 / 0.16532
q 2.68611
Q 3.75635
ω 232.9893
Node 358.3612
m 122.2895
n 0.1705
Epoch 2460200.5
nobs 3913
nopp 25
Years observed 1960-2023
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.207
ep 0.201
sin(ip) 0.176
Value Standard error
G 0.150
H 12.570
Mass
D 17.48 0.136
pV 0.040 0.0029
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2070 0.2013 0.1757 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.72 0.470 0.470 Masiero 2012ApJ...759L...8M NEATM
16.82 0.200 0.200 Masiero 2014ApJ...791..121M NEATM
17.12 4.420 4.420 Nugent 2016AJ....152...63N NEATM
18.30 0.203 0.203 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0032 0.0032 Masiero 2011ApJ...741...68M NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.070 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.076 0.0120 0.0120 Masiero 2012ApJ...759L...8M 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
12.57 MPC-2023-12-04 MPC-2023-12-04 Phot