Pons

07645, 1989 AC2, 1989AC2, 1991 RO18, 1991RO18, J89A02C, J91R18O

All data for this body: [vot]

MPC data
Name (number) Pons (7645)
a 2.37242
e 0.16107
i / sin(i) 0.3927 / 0.00685
q 1.99030
Q 2.75455
ω 214.1204
Node 247.8511
m 342.7639
n 0.2697
Epoch 2460800.5
nobs 4181
nopp 24
Years observed 1989-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.372
ep 0.180
sin(ip) 0.022
G 0.150
H 14.420
Mass
D 4.05 0.070
pV 0.187 0.0330
Value
Rotational Period 35.300
Period quality 2
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3722 0.1805 0.0223 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.05 0.070 0.070 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.187 0.0330 0.0330 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
14.42 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
35.376 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
35.39 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
35.407 2 Sidereal Durech 2020A&A...643A..59D Model
35.41 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT