Birgitta

02744, 1933 QY, 1933QY, 1975 RB, 1975RB, J33Q00Y, J75R00B

All data for this body: [vot]

MPC data
Name (number) Birgitta (2744)
a 2.30227
e 0.33248
i / sin(i) 6.7441 / 0.11743
q 1.53680
Q 3.06774
ω 44.1395
Node 315.4893
m 72.4671
n 0.2821
Epoch 2460800.5
nobs 2871
nopp 26
Years observed 1975-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.300
ep 0.288
sin(ip) 0.136
G 0.150
H 14.750
Mass
D 3.01 0.333
pV 0.193 0.0437
Value
Rotational Period 8.990
Period quality 3
Spectral Class S
Spectral Class Score 19.540
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2996 0.2884 0.1360 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.70 0.400 0.400 Ali-Lagoa 2017A&A...603A..55A NEATM
3.70 0.600 0.600 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0500 0.0500 Ali-Lagoa 2017A&A...603A..55A NEATM
0.300 0.0900 0.0900 Ali-Lagoa 2017A&A...603A..55A 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
14.75 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.97 2 Synodic Chang 2016ApJS..227...20C Lightcurve
8.99 3 Synodic Skiff 2019MPBu...46..458S Lightcurve
8.994 3 Synodic Skiff LCDB Lightcurve
9.02 2 Synodic Lagerkvist 1976Icar...29..143L 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 Binzel 2019Icar..324...41B SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.790 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC