Rogerbourke

08168, 1991 FK1, 1991FK1, 1995 HU, 1995HU, J91F01K, J95H00U

All data for this body: [vot]

MPC data

Name (number)	Rogerbourke (8168)
a	2.39586
e	0.28802
i / sin(i)	21.1791 / 0.36129
q	1.70582
Q	3.08591
ω	270.2990
Node	217.8399
m	98.5278
n	0.2658
Epoch	2460800.5

n_obs	3516
n_opp	24
Years observed	1991-2025
rms	0.65

Best values

	Value	Standard error
Parent	Phocaea (25)

a_p	2.396
e_p	0.237
sin(i_p)	0.397
G	0.150
H	13.780
Mass
D	4.26	0.092
pV	0.345	0.0358

	Value
Rotational Period
Period quality	None
Spectral Class	S
Spectral Class Score	14.056

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
25	Phocaea	0	Phocaea		Novakovic	2019EPSC...13.1671N	HCM
25	Phocaea	701	Phocaea	-0.0500	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.3955	0.2371	0.3968	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
4.25	0.092	0.092	Masiero	2011ApJ...741...68M	NEATM
4.80	0.970	0.970	Masiero	2020PSJ.....1....5M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.256	0.1140	0.1140	Masiero	2020PSJ.....1....5M	NEATM
0.355	0.0377	0.0377	Masiero	2011ApJ...741...68M	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
13.78			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
D	S	0.3240	0.8790	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
S		0.250		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
S		0.97		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
S	S	0.4396	0.8790	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.9964	0.8790	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT