Negley

08802, 1981 EW31, 1981EW31, 1989 SW1, 1989SW1, J81E31W, J89S01W

All data for this body: [vot]

MPC data
Name (number) Negley (8802)
a 3.10893
e 0.11840
i / sin(i) 9.9446 / 0.17270
q 2.74084
Q 3.47701
ω 207.6262
Node 169.0880
m 175.5670
n 0.1798
Epoch 2460800.5
nobs 2227
nopp 25
Years observed 1981-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.113
ep 0.085
sin(ip) 0.166
G 0.150
H 13.880
Mass
D 7.71 0.196
pV 0.038 0.0046
Value
Rotational Period 5.760
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1128 0.0852 0.1657 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.21 1.600 1.600 Tedesco 2002AJ....123.1056T STM
7.57 0.197 0.197 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.024 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
0.123 0.0123 0.0123 Masiero 2011ApJ...741...68M 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
13.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.15486 2 Sidereal Durech 2023A&A...675A..24D Model
5.764 2 Synodic Waszczak 2015AJ....150...75W Lightcurve