Hunker

1972 AH, 1972AH, 1975 XQ4, 1975XQ4, 19788, 1989 CS4, 1989CS4, 1991 PS30, 1991PS30, 1998 FB78, 1998FB78, 2000 QV116, 2000QV116, J72A00H, J75X04Q, J89C04S, J91P30S, J98F78B, K00QB6V

All data for this body: [vot]

MPC data

Name (number)	Hunker (19788)
a	2.61687
e	0.18271
i / sin(i)	9.7113 / 0.16868
q	2.13874
Q	3.09501
ω	315.2194
Node	130.8350
m	233.3545
n	0.2328
Epoch	2460800.5

n_obs	2663
n_opp	24
Years observed	1972-2025
rms	0.72

Best values

	Value	Standard error
Parent

a_p	2.617
e_p	0.190
sin(i_p)	0.154
G	0.150
H	14.320
Mass
D	8.78	0.029
pV	0.052	0.0113

	Value
Rotational Period
Period quality	None
Spectral Class	B
Spectral Class Score	4.061

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.6166	0.1896	0.1545	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
7.21	2.580	2.580	Masiero	2020PSJ.....1....5M	NEATM
7.45	1.800	1.800	Masiero	2021PSJ.....2..162M	NEATM
8.38	2.000	2.000	Masiero	2020PSJ.....1....5M	NEATM
8.70	nan	nan	Ali-Lagoa	2016A&A...591A..14A	NEATM
8.70	nan	nan	Ali-Lagoa	2016A&A...591A..14A	NEATM
8.78	0.029	0.029	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.051	0.0122	0.0122	Masiero	2011ApJ...741...68M	NEATM
0.053	0.0400	0.0400	Masiero	2020PSJ.....1....5M	NEATM
0.066	0.0370	0.0860	Masiero	2021PSJ.....2..162M	NEATM
0.071	0.0730	0.0730	Masiero	2020PSJ.....1....5M	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
14.32			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	B	0.3435	0.3430	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C		0.54		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT