1989 JA

1989JA, 07335, J89J00A

All data for this body: [vot]

MPC data
Name (number) 1989 JA (7335)
a 1.77207
e 0.48456
i / sin(i) 15.1739 / 0.26175
q 0.91340
Q 2.63075
ω 232.2791
Node 61.2790
m 72.7350
n 0.4178
Epoch 2460800.5
nobs 2530
nopp 17
Years observed 1989-2024
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.194
ep 0.703
sin(ip) 0.542
G 0.150
H 17.700
Mass
D 0.73 0.020
pV 0.256 0.0383
Value
Rotational Period 2.590
Period quality 3
Spectral Class S
Spectral Class Score 8.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1944 0.7033 0.5416 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.73 0.020 0.020 Nugent 2016AJ....152...63N NEATM
0.93 0.153 0.153 Mainzer 2011ApJ...743..156M NEATM
0.95 0.417 0.417 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.250 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.310 0.2873 0.2873 Masiero 2011ApJ...741...68M NEATM
0.322 0.1500 0.1500 Mainzer 2011ApJ...743..156M 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
17.70 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 Synodic Mahapatra 2002P&SS...50..257M Lightcurve
2.588 2 Synodic Franco 2022MPBu...49..342F Lightcurve
2.588 2 Synodic Schmalz 2023MPBu...50...43S Lightcurve
2.58988 3 Synodic Pravec LCDB Lightcurve
2.59 2 Synodic Loera 2022MPBu...49..289L Lightcurve
2.592 1+ Synodic Lambert 2023MPBu...50...16L Lightcurve
5.177 2 Synodic Schmalz 2022MPBu...49..291S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Lazzarin 1997A&A...327..388L SPEC+PHOT