Ben Mayer

BenMayer, 02863, 1975 NV, 1975NV, 1976 YG4, 1976YG4, 1981 QG2, 1981QG2, 1984 DF2, 1984DF2, J75N00V, J76Y04G, J81Q02G, J84D02F

All data for this body: [vot]

MPC data

Name (number)	Ben Mayer (2863)
a	3.16962
e	0.19070
i / sin(i)	1.9691 / 0.03436
q	2.56518
Q	3.77405
ω	219.7566
Node	120.7687
m	279.0631
n	0.1747
Epoch	2460800.5

n_obs	4888
n_opp	33
Years observed	1954-2025
rms	0.66

Best values

	Value	Standard error
Parent	Themis (24)

a_p	3.174
e_p	0.160
sin(i_p)	0.016
G	0.150
H	12.540
Mass
D	18.02	1.431
pV	0.069	0.0089

	Value
Rotational Period
Period quality	None
Spectral Class	B
Spectral Class Score	11.546

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
24	Themis	0	Themis		Novakovic	2019EPSC...13.1671N	HCM
24	Themis	602	Themis	0.5800	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1738	0.1602	0.0158	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
14.29	4.480	4.480	Nugent	2016AJ....152...63N	NEATM
18.44	1.510	1.510	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.069	0.0090	0.0090	Masiero	2012ApJ...759L...8M	NEATM
0.080	0.0600	0.0600	Nugent	2016AJ....152...63N	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
12.54			MPC-2023-12-04	MPC-2023-12-04	Phot

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
B				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
B		0.810		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
B	C	0.7810	0.5100	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C		0.79		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C	C	0.7795	0.5100	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT