Bertha

00154, 1875 VD, 1875VD, I75V00D

All data for this body: [vot]

MPC data
Name (number) Bertha (154)
a 3.19328
e 0.07697
i / sin(i) 21.0220 / 0.35873
q 2.94749
Q 3.43907
ω 167.8668
Node 36.4792
m 308.1601
n 0.1727
Epoch 2460800.5
nobs 5167
nopp 68
Years observed 1880-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.184
ep 0.132
sin(ip) 0.345
G 0.150
H 7.650
Mass 5.955e+18 1.993e+18
D 186.33 1.250
pV 0.047 0.0012
Value
Rotational Period 25.220
Period quality 3
Spectral Class C
Spectral Class Score 40.100
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1844 0.1321 0.3449 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.1800e+19 1.0100e+19 1.0100e+19 Zielenbach 2011AJ....142..120Z Deflec
1.2700e+19 9.5700e+18 9.5700e+18 Zielenbach 2011AJ....142..120Z Deflec
4.4600e+17 1.4000e+19 1.4000e+19 Zielenbach 2011AJ....142..120Z Deflec
5.4961e+18 2.1641e+18 2.1641e+18 Fienga INPOP19a Ephem
5.5700e+18 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
174.62 63.640 63.640 Nugent 2016AJ....152...63N NEATM
175.23 2.850 2.850 Masiero 2014ApJ...791..121M NEATM
181.55 36.310 36.310 Ali-Lagoa 2018A&A...612A..85A NEATM
184.93 3.600 3.600 Tedesco 2002AJ....123.1056T STM
185.83 2.720 2.720 Usui 2011PASJ...63.1117U NEATM
186.35 8.977 8.977 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
188.75 4.758 4.758 Masiero 2011ApJ...741...68M NEATM
189.59 18.960 18.960 Ali-Lagoa 2018A&A...612A..85A NEATM
189.86 5.308 5.308 Ryan&Woodward 2010AJ....140..933R IRAS-STM
192.61 2.190 2.190 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0050 0.0050 Masiero 2012ApJ...759L...8M NEATM
0.045 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0026 0.0026 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.046 0.0027 0.0027 Masiero 2011ApJ...741...68M NEATM
0.048 0.0046 0.0046 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.048 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.049 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.050 0.0600 0.0600 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
7.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 1 Synodic Harris 1989Icar...81..314H Lightcurve
18.0 2- Synodic Behrend LCDB Lightcurve
22.3 2 Synodic Warner 2007MPBu...34...72W Lightcurve
25.224 3 Synodic Pilcher 2012MPBu...39...57P Lightcurve
25.2285 2 Sidereal Hanus 2016A&A...586A.108H Model
25.251 2 Sidereal Durech 2023A&A...675A..24D Model
27.6 1 Synodic Kamel 1998MPBu...25....1K Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
C Bus VIS Bus 2002Icar..158..146B SPEC
C Tholen VIS Lazzaro 2004Icar..172..179L SPEC
C 0.900000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C 0.920000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Cb Bus VIS Lazzaro 2004Icar..172..179L SPEC