1999 GJ45

1999GJ45, 56212, J99G45J

All data for this body: [vot]

MPC data
Name (number) 1999 GJ45 (56212)
a 2.53714
e 0.15327
i / sin(i) 13.8710 / 0.23974
q 2.14826
Q 2.92602
ω 285.0810
Node 147.7411
m 275.9667
n 0.2439
Epoch 2460800.5
nobs 2458
nopp 21
Years observed 1954-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.538
ep 0.149
sin(ip) 0.235
G 0.150
H 14.190
Mass
D 4.63 0.096
pV 0.207 0.0291
Value
Rotational Period 6.620
Period quality 2
Spectral Class S
Spectral Class Score 8.533
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.8800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5385 0.1490 0.2355 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.63 0.096 0.096 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.207 0.0291 0.0291 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
14.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.626 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
6.62804 2 Sidereal Durech 2023A&A...675A..24D Model
6.629 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.6778 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.695 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L 0.98 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.3557 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7332 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT