Betulia

01580, 1950 KA, 1950KA, J50K00A

All data for this body: [vot]

MPC data
Name (number) Betulia (1580)
a 2.19530
e 0.48762
i / sin(i) 52.1877 / 0.79002
q 1.12482
Q 3.26578
ω 159.7290
Node 62.2273
m 19.6429
n 0.3030
Epoch 2460800.5
nobs 1810
nopp 31
Years observed 1950-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.322
ep 0.550
sin(ip) 0.663
G 0.150
H 14.610
Mass
D 5.44 0.031
pV 0.057 0.0067
Value
Rotational Period 6.132
Period quality 3
Spectral Class B
Spectral Class Score 46.343
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3217 0.5504 0.6634 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.19 0.060 0.060 Nugent 2016AJ....152...63N NEATM
5.37 0.040 0.040 Nugent 2016AJ....152...63N NEATM
5.39 0.540 0.540 Magri 2007Icar..186..152M RADAR
7.91 0.080 0.080 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.070 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.110 0.0200 0.0200 Nugent 2016AJ....152...63N 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
14.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.13 3 Synodic Tedesco 1978Icar...35..344T Lightcurve
6.1324 3 Synodic Wisniewski 1997Icar..126..395W Lightcurve
6.134 Synodic Austin 1976SouSt..26..228A Lightcurve
6.135 3- Synodic Warner 2015MPBu...42..256W Lightcurve
6.13836 2 Sidereal Kaasalainen 2004Icar..167..178K Model
6.13836 2 Sidereal Magri 2007Icar..186..152M Model
6.156 2 Sidereal Drummond 1990Icar...83..349D Model
6.48 2 Synodic Lagerkvist 1977Icar...32..233L 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 VISNIR Binzel 2019Icar..324...41B SPEC+PHOT
B DeMeo-Carry VIS Carry PHOT
B B 0.4771 0.4771 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.520000 0.480000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
B C 0.740000 0.260000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
B C 0.740000 0.260000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT