Freia

00076, 1862 UA, 1862UA, 1911 OB, 1911OB, I62U00A, J11O00B

All data for this body: [vot]

MPC data
Name (number) Freia (76)
a 3.40932
e 0.16760
i / sin(i) 2.1232 / 0.03705
q 2.83792
Q 3.98072
ω 252.1640
Node 204.2733
m 268.2151
n 0.1566
Epoch 2460800.5
nobs 6483
nopp 84
Years observed 1864-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.399
ep 0.181
sin(ip) 0.050
G 0.150
H 8.010
Mass 2.400e+18 9.581e+17
D 155.51 1.000
pV 0.039 0.0014
Value
Rotational Period 9.970
Period quality 3
Spectral Class C
Spectral Class Score 36.932
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.3991 0.1807 0.0497 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.4300e+19 9.0300e+18 9.0300e+18 Zielenbach 2011AJ....142..120Z Deflec
3.2408e+18 1.3537e+18 1.3537e+18 Fienga INPOP19a Ephem
4.1200e+17 2.1300e+18 2.1300e+18 Zielenbach 2011AJ....142..120Z Deflec
5.5900e+18 Folkner 2014IPNPR.196C...1F Ephem
6.7200e+17 2.0600e+18 2.0600e+18 Zielenbach 2011AJ....142..120Z Deflec
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
145.42 1.290 1.290 Masiero 2014ApJ...791..121M NEATM
158.57 8.020 8.020 Masiero 2011ApJ...741...68M NEATM
161.68 5.232 5.232 Ryan&Woodward 2010AJ....140..933R IRAS-STM
167.07 16.710 16.710 Ali-Lagoa 2018A&A...612A..85A NEATM
168.36 1.950 1.950 Usui 2011PASJ...63.1117U NEATM
183.66 4.000 4.000 Tedesco 2002AJ....123.1056T STM
184.44 18.440 18.440 Ali-Lagoa 2018A&A...612A..85A NEATM
186.06 59.330 59.330 Nugent 2016AJ....152...63N NEATM
189.71 54.950 54.950 Masiero 2021PSJ.....2..162M NEATM
192.41 8.566 8.566 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.033 0.0031 0.0031 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.035 0.0140 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.036 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.037 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.045 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.047 0.0031 0.0031 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.049 0.0072 0.0072 Masiero 2011ApJ...741...68M NEATM
0.060 0.0100 0.0100 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
8.01 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.79 0 Synodic Harris 1983Icar...54...59H Lightcurve
9.96 2 Synodic Kryszczynska 1996Icar..124..134K Lightcurve
9.969 3 Synodic Stephens 2008MPBu...35...84S Lightcurve
9.972 2 Synodic Harris 1992Icar...95..115H Lightcurve
9.973 3 Synodic Shevchenko 2008Icar..196..601S Lightcurve
9.97306 2 Sidereal Hanus 2016A&A...586A.108H Model
9.974 Synodic Shevchenko LCDB Lightcurve
9.9758 3 Synodic Behrend LCDB Lightcurve
9.98 Synodic Lagerkvist 1986acm..proc...67L Lightcurve
9.98 2- Synodic Behrend LCDB Lightcurve
9.994 Synodic Armstrong 1996IAPPP..63...59A Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
P Howell VISNIR Howell 1994JGR....9910847H PHOT
B X 0.0876 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C Barucci VIS Lazzarin 1995AJ....110.3058L SPEC
C Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
C X 0.2169 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.7804 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.8247 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
P Tholen VIS Lazzarin 1995AJ....110.3058L SPEC
P 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.1778 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6239 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.9224 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.9267 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT