Boreas

01916, 1953 RA, 1953RA, J53R00A

All data for this body: [vot]

MPC data
Name (number) Boreas (1916)
a 2.27315
e 0.44930
i / sin(i) 12.8767 / 0.22285
q 1.25182
Q 3.29449
ω 335.8492
Node 340.5977
m 337.5841
n 0.2876
Epoch 2460800.5
nobs 2503
nopp 25
Years observed 1953-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.236
ep 0.496
sin(ip) 0.387
G 0.150
H 14.910
Mass
D 2.77 1.070
pV 0.212 0.2170
Value
Rotational Period 3.474
Period quality 3
Spectral Class Sw
Spectral Class Score 63.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2365 0.4962 0.3865 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.77 1.070 1.070 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.212 0.2170 0.2170 Masiero 2020PSJ.....1....5M 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
14.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.4741 3- Synodic Behrend LCDB Lightcurve
3.47446 Synodic Pravec LCDB Lightcurve
3.4746 2 Synodic Krugly 2002ESASP.500..903K Lightcurve
3.4746 3 Synodic Pravec LCDB Lightcurve
3.4748 Synodic Pravec LCDB Lightcurve
3.49 2 Synodic Robinson 2002MPBu...29...37R 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 Lazzarin 2004Icar..169..373L SPEC
S Bus VISNIR Binzel 2004Icar..170..259B SPEC
S DeMeo-Carry VIS Carry PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.56 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.930000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S 0.0532 0.0532 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sw Binzel 2010Natur.463..331B SPEC
Sw Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
Sw Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
Sw Bus-DeMeo VISNIR Thomas 2010Icar..205..419T SPEC