Keesey

05554, 1975 XK7, 1975XK7, 1978 NQ7, 1978NQ7, 1982 YJ3, 1982YJ3, 1983 AE4, 1983AE4, 1985 TW1, 1985TW1, 1985 TY3, 1985TY3, J75X07K, J78N07Q, J82Y03J, J83A04E, J85T01W, J85T03Y

All data for this body: [vot]

MPC data
Name (number) Keesey (5554)
a 2.24392
e 0.19726
i / sin(i) 7.7165 / 0.13427
q 1.80129
Q 2.68656
ω 73.5577
Node 311.7782
m 272.6199
n 0.2932
Epoch 2460800.5
nobs 4297
nopp 26
Years observed 1975-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.244
ep 0.168
sin(ip) 0.145
G 0.150
H 14.030
Mass
D 4.13 0.109
pV 0.309 0.0310
Value
Rotational Period 7.000
Period quality 2+
Spectral Class S
Spectral Class Score 13.781
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2436 0.1682 0.1451 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.93 0.560 0.560 Nugent 2016AJ....152...63N NEATM
4.18 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.305 0.0315 0.0315 Masiero 2011ApJ...741...68M NEATM
0.440 0.1800 0.1800 Nugent 2016AJ....152...63N 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
14.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.008 2+ Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.995 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9685 0.9685 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.48 Bus VIS Carvano 2010A&A...510A..43C PHOT