Ioffe

05222, 1978 LP, 1978LP, 1980 TL13, 1980TL13, 1989 TG1, 1989TG1, J78L00P, J80T13L, J89T01G

All data for this body: [vot]

MPC data
Name (number) Ioffe (5222)
a 2.77448
e 0.14478
i / sin(i) 34.5502 / 0.56713
q 2.37279
Q 3.17616
ω 331.1848
Node 220.5541
m 91.8536
n 0.2133
Epoch 2460800.5
nobs 5873
nopp 29
Years observed 1952-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent Pallas (2)
 
ap 2.775
ep 0.277
sin(ip) 0.541
G 0.150
H 11.570
Mass
D 18.16 0.081
pV 0.128 0.0088
Value
Rotational Period 9.700
Period quality 2+
Spectral Class B
Spectral Class Score 25.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
2 Pallas 0 Pallas Novakovic 2019EPSC...13.1671N HCM
2 Pallas 801 Pallas Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7754 0.2772 0.5407 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.28 3.670 3.670 Masiero 2021PSJ.....2..162M NEATM
17.05 4.690 4.690 Masiero 2020PSJ.....1....5M NEATM
17.61 4.610 4.610 Nugent 2016AJ....152...63N NEATM
17.99 0.090 0.090 Masiero 2014ApJ...791..121M NEATM
18.41 0.205 0.205 Masiero 2011ApJ...741...68M NEATM
21.92 0.900 0.900 Tedesco 2002AJ....123.1056T STM
22.23 4.790 4.790 Nugent 2016AJ....152...63N NEATM
22.46 0.690 0.690 Usui 2011PASJ...63.1117U NEATM
23.86 2.390 2.390 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.072 0.0600 0.0600 Masiero 2020PSJ.....1....5M NEATM
0.080 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.089 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.092 0.0400 0.0720 Masiero 2021PSJ.....2..162M NEATM
0.110 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.144 0.0328 0.0328 Masiero 2011ApJ...741...68M NEATM
0.146 0.0120 0.0120 Tedesco 2002AJ....123.1056T STM
0.200 0.0400 0.0400 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
11.57 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.4 2 Synodic Warner 2006MPBu...33...85W Lightcurve
9.72 2+ Synodic Benishek 2021MPBu...48...77B Lightcurve
9.7383 2 Sidereal Durech 2023A&A...675A..24D Model
9.7385 2 Sidereal Durech 2020A&A...643A..59D Model
9.739 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
B Bus-DeMeo NIR Chavan 2025A&A...695A.254C SPEC
B Bus VIS Bus 2002Icar..158..146B SPEC
B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C 0.516 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C B 0.860000 0.140000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X X 0.6355 0.6355 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT