Birgit

00960, 1921 TG, 1921TG, J21T00G

All data for this body: [vot]

MPC data
Name (number) Birgit (960)
a 2.24851
e 0.16547
i / sin(i) 3.0276 / 0.05282
q 1.87645
Q 2.62056
ω 87.9043
Node 249.0916
m 290.0918
n 0.2923
Epoch 2460800.5
nobs 5049
nopp 39
Years observed 1921-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.248
ep 0.115
sin(ip) 0.071
G 0.150
H 12.510
Mass
D 7.68 0.074
pV 0.226 0.0181
Value
Rotational Period 8.680
Period quality 3-
Spectral Class S
Spectral Class Score 10.518
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2484 0.1153 0.0707 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.87 1.430 1.430 Nugent 2016AJ....152...63N NEATM
7.51 0.110 0.110 Masiero 2014ApJ...791..121M NEATM
7.82 0.102 0.102 Masiero 2011ApJ...741...68M NEATM
8.15 0.570 0.570 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.200 0.0270 0.0270 Masiero 2011ApJ...741...68M NEATM
0.220 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.291 0.0440 0.0440 Masiero 2012ApJ...759L...8M NEATM
0.360 0.1400 0.1400 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
12.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
17.3558 1+ Synodic Behrend LCDB Lightcurve
8.67648 2 Sidereal Durech 2020A&A...643A..59D Model
8.681 3- Synodic Dose 2023MPBu...50..151D Lightcurve
8.85 2+ Synodic Kryszczynska 2012A&A...546A..72K Lightcurve
9.572 2 Synodic Colazo 2023MPBu...50..147C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A Tholen VIS Alvarez-Candal 2006A&A...459..969A SPEC
S 0.928 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC