Bellona

00028, 1854 EA, 1854EA, 1951 CC2, 1951CC2, I54E00A, J51C02C

All data for this body: [vot]

MPC data

Name (number)	Bellona (28)
a	2.77710
e	0.14901
i / sin(i)	9.4234 / 0.16373
q	2.36329
Q	3.19092
ω	343.4195
Node	144.1525
m	22.9004
n	0.2130
Epoch	2460800.5

n_obs	3620
n_opp	105
Years observed	1856-2025
rms	0.79

Best values

	Value	Standard error
Parent

a_p	2.777
e_p	0.179
sin(i_p)	0.148
G	0.150
H	7.230
Mass	2.831e+18	2.625e+17
D	112.22	0.004
pV	0.190	0.0061

	Value
Rotational Period	15.700
Period quality	3
Spectral Class	S
Spectral Class Score	46.930

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
28	Bellona	-1	Bellona	-1.0000	Nesvorny	2024ApJS..274...25N	HCM-2024

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.7774	0.1789	0.1481	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Mass data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
1.3900e+19	3.9800e+18	3.9800e+18	Ivantsov	2008P&SS...56.1857I	Deflec
1.9700e+18			Folkner	2014IPNPR.196C...1F	Ephem
2.4700e+18			Folkner	2009IPNPR.178C...1F	Ephem
2.7800e+18	2.7800e+17	2.7800e+17	Krasinsky	Krasinsky	Deflec
3.2240e+18	1.0690e+18	1.0690e+18	Fienga	2020MNRAS.492..589F	Ephem

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
100.00	10.000	10.000	Durech	2011Icar..214..652D	OCCULT
103.12	10.310	10.310	Ali-Lagoa	2018A&A...612A..85A	NEATM
104.25	2.642	2.642	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
110.74	0.005	0.005	Ryan&Woodward	2010AJ....140..933R	MSX-STM
113.69	0.005	0.005	Ryan&Woodward	2010AJ....140..933R	MSX-NEATM
120.90	3.400	3.400	Tedesco	2002AJ....123.1056T	STM
121.00	11.000	11.000	Hanus	2013Icar..226.1045H	AO/LC
123.98	4.522	4.522	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
135.00	7.000	7.000	Viikinkoski	2017A&A...607A.117	AO/LC
146.69	3.540	3.540	Masiero	2012ApJ...759L...8M	NEATM
94.84	18.970	18.970	Ali-Lagoa	2018A&A...612A..85A	NEATM
97.00	11.000	11.000	Durech	2011Icar..214..652D	OCCULT
97.40	1.430	1.430	Usui	2011PASJ...63.1117U	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.120	0.0260	0.0260	Masiero	2012ApJ...759L...8M	NEATM
0.169	0.0120	0.0120	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.176	0.0100	0.0100	Tedesco	2002AJ....123.1056T	STM
0.199			Ryan&Woodward	2010AJ....140..933R	MSX-NEATM
0.210			Ryan&Woodward	2010AJ....140..933R	MSX-STM
0.238	0.0119	0.0119	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
0.254	0.0510	0.0510	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.300	0.1200	0.1200	Ali-Lagoa	2018A&A...612A..85A	NEATM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
7.23			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
15.516	2+	Synodic	Behrend	LCDB	Lightcurve
15.695	2+	Synodic	Harris	1983Icar...54...59H	Lightcurve
15.699	3	Synodic	Farfan	2022MPBu...49..136F	Lightcurve
15.706	3	Synodic	Pilcher	2011MPBu...38..156P	Lightcurve
15.707	3-	Synodic	Warner	2007MPBu...34..104W	Lightcurve
15.7071	2-	Synodic	Behrend	LCDB	Lightcurve
15.70785	2	Sidereal	Durech	2009A&A...493..291D	Model
15.70785	2	Sidereal	Durech	2011Icar..214..652D	Model
15.70785	2	Sidereal	Hanus	2011A&A...530A.134H	Model
15.70785	2	Sidereal	Hanus	2013Icar..226.1045H	Model
15.70785	2	Sidereal	Viikinkoski	2017A&A...607A.117V	Model
15.72	1	Synodic	Behrend	LCDB	Lightcurve
15.721	3-	Synodic	Behrend	LCDB	Lightcurve
15.721	3	Synodic	Behrend	LCDB	Lightcurve
16.523	0	Synodic	Van Houten Groeneveld	1979A&AS...35..223V	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
S				Bus-DeMeo	VISNIR	DeMeo	2009Icar..202..160D	SPEC
S				Bus	VIS	Bus	2002Icar..158..146B	SPEC
S		0.990000		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
X		0.184		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT