Penney

12227, 1985 TO3, 1985TO3, 1998 KC28, 1998KC28, J85T03O, J98K28C

All data for this body: [vot]

MPC data
Name (number) Penney (12227)
a 2.27235
e 0.19038
i / sin(i) 5.6472 / 0.09840
q 1.83973
Q 2.70497
ω 83.0354
Node 275.6753
m 210.7622
n 0.2877
Epoch 2460800.5
nobs 2259
nopp 22
Years observed 1985-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.273
ep 0.141
sin(ip) 0.114
G 0.150
H 14.870
Mass
D 2.12 0.454
pV 0.623 0.2376
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.425
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.4600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2727 0.1410 0.1143 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.12 0.454 0.454 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.623 0.2376 0.2376 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
14.87 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
LS 0.52 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9121 0.9121 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT