Petra-Pepi

03492, 1951 CG, 1951CG, 1977 JD1, 1977JD1, 1978 SA1, 1978SA1, 1978 TK9, 1978TK9, 1980 CB, 1980CB, 1985 DQ, 1985DQ, J51C00G, J77J01D, J78S01A, J78T09K, J80C00B, J85D00Q

All data for this body: [vot]

MPC data
Name (number) Petra-Pepi (3492)
a 2.61560
e 0.14394
i / sin(i) 13.6299 / 0.23565
q 2.23913
Q 2.99208
ω 96.6492
Node 138.7696
m 118.1064
n 0.2330
Epoch 2460800.5
nobs 5075
nopp 31
Years observed 1951-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.616
ep 0.160
sin(ip) 0.230
G 0.150
H 11.840
Mass
D 12.14 0.045
pV 0.240 0.0211
Value
Rotational Period 47.000
Period quality 3-
Spectral Class S
Spectral Class Score 58.801
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 -0.6300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6157 0.1598 0.2303 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.60 2.360 2.360 Nugent 2016AJ....152...63N NEATM
11.66 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
11.70 0.830 0.830 Usui 2011PASJ...63.1117U NEATM
12.18 2.440 2.440 Ali-Lagoa 2018A&A...612A..85A NEATM
12.21 0.048 0.048 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.228 0.0333 0.0333 Masiero 2011ApJ...741...68M NEATM
0.240 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.247 0.0990 0.0990 Ali-Lagoa 2018A&A...612A..85A NEATM
0.250 0.0300 0.0300 Masiero 2014ApJ...791..121M 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
11.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
23.58 2 Synodic Behrend LCDB Lightcurve
46.57 2 Sidereal Hanus 2013A&A...559A.134H Model
47.05 3- Synodic Stephens 2011MPBu...38..211S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Lazzaro 2004Icar..172..179L SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen NIR Nathues 2010Icar..208..252N SPEC+PHOT
S Tholen VIS Lazzaro 1999Icar..142..445L SPEC
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.98 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.980 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.6435 0.8880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7353 0.8880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9565 0.8880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9998 0.8880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT