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 3.21457
e 0.14813
i / sin(i) 10.2845 / 0.17854
q 2.73841
Q 3.69074
ω 243.4371
Node 206.0085
m 311.5190
n 0.1710
Epoch 2460200.5
nobs 5264
nopp 39
Years observed 1919-2023
rms 0.47
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.220
ep 0.125
sin(ip) 0.190
Value Standard error
G 0.150
H 10.420
Mass
D 58.20 0.293
pV 0.039 0.0019
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-Oct-2022
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
10.42 MPC-2023-12-04 MPC-2023-12-04 Phot