Hyperborea

01309, 1919 RB, 1919RB, 1919 SH, 1919SH, 1931 TO, 1931TO, 1934 GT, 1934GT, 1971 SG1, 1971SG1, 1973 AW4, 1973AW4, J19R00B, J19S00H, J31T00O, J34G00T, J71S01G, J73A04W

All data for this body: [vot]

MPC data
Name (number) Hyperborea (1309)
a 3.20928
e 0.14622
i / sin(i) 10.2791 / 0.17844
q 2.74001
Q 3.67855
ω 243.1544
Node 205.9740
m 54.4763
n 0.1714
Epoch 2460800.5
nobs 6114
nopp 40
Years observed 1919-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.220
ep 0.125
sin(ip) 0.190
G 0.150
H 10.380
Mass
D 58.20 0.293
pV 0.039 0.0019
Value
Rotational Period 13.800
Period quality 3
Spectral Class X
Spectral Class Score 15.343
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2200 0.1254 0.1895 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
53.47 17.150 17.150 Nugent 2016AJ....152...63N NEATM
54.23 17.010 17.010 Masiero 2020PSJ.....1....5M NEATM
55.48 13.260 13.260 Nugent 2016AJ....152...63N NEATM
56.03 20.740 20.740 Masiero 2021PSJ.....2..162M NEATM
56.39 5.640 5.640 Ali-Lagoa 2018A&A...612A..85A NEATM
57.15 3.900 3.900 Tedesco 2002AJ....123.1056T STM
57.57 0.350 0.350 Masiero 2014ApJ...791..121M NEATM
57.63 23.750 23.750 Masiero 2020PSJ.....1....5M NEATM
57.99 0.720 0.720 Usui 2011PASJ...63.1117U NEATM
59.37 5.940 5.940 Ali-Lagoa 2018A&A...612A..85A NEATM
61.31 2.531 2.531 Ryan&Woodward 2010AJ....140..933R IRAS-STM
61.60 1.019 1.019 Masiero 2011ApJ...741...68M NEATM
63.77 3.648 3.648 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
64.40 2.030 2.030 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.026 0.0260 0.0260 Masiero 2020PSJ.....1....5M NEATM
0.029 0.0160 0.0350 Masiero 2021PSJ.....2..162M NEATM
0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.030 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM
0.032 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.037 0.0043 0.0043 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.039 0.0054 0.0054 Masiero 2011ApJ...741...68M NEATM
0.039 0.0033 0.0033 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.040 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.045 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
0.045 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A 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
10.38 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.859 3- Synodic Behrend LCDB Lightcurve
13.87 3 Synodic Behrend LCDB Lightcurve
13.8719 2 Sidereal Durech 2023A&A...675A..24D Model
13.87204 2 Sidereal Durech 2020A&A...643A..59D Model
13.8724 2 Synodic Pal 2020ApJS..247...26P Lightcurve
13.88 3 Synodic Oliver 2008MPBu...35..149O Lightcurve
13.95 2 Synodic Apostolovska 2004MPBu...31...44A Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
C X 0.2493 0.2170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.6367 0.2170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.5876 0.2170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6363 0.2170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT