Greenwald

12121, 1995 QJ9, 1995QJ9, 1996 TJ36, 1996TJ36, 1998 FZ22, 1998FZ22, 1999 NX48, 1999NX48, J95Q09J, J96T36J, J98F22Z, J99N48X

All data for this body: [vot]

MPC data
Name (number) Greenwald (12121)
a 2.55926
e 0.10996
i / sin(i) 13.6217 / 0.23551
q 2.27784
Q 2.84069
ω 43.0354
Node 166.3944
m 192.7350
n 0.2407
Epoch 2460800.5
nobs 3246
nopp 24
Years observed 1994-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.558
ep 0.154
sin(ip) 0.231
G 0.150
H 13.960
Mass
D 4.74 0.153
pV 0.286 0.0477
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 20.938
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.8300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5585 0.1541 0.2312 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.74 0.153 0.153 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.286 0.0477 0.0477 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
13.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L S 0.5172 0.4950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.417 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.59 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.2321 0.4950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.2798 0.4950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4437 0.4950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6579 0.4950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9291 0.4950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.0177 0.4950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT