1998 QP71

1998QP71, 44275, J98Q71P

All data for this body: [vot]

MPC data

Name (number)	1998 QP71 (44275)
a	2.53346
e	0.13496
i / sin(i)	12.3539 / 0.21395
q	2.19155
Q	2.87537
ω	299.3109
Node	305.1172
m	301.2963
n	0.2444
Epoch	2460800.5

n_obs	2780
n_opp	21
Years observed	1998-2025
rms	0.73

Best values

	Value	Standard error
Parent	Eunomia (15)

a_p	2.536
e_p	0.146
sin(i_p)	0.232
G	0.150
H	14.580
Mass
D	3.43	0.170
pV	0.285	0.0577

	Value
Rotational Period
Period quality	None
Spectral Class	S
Spectral Class Score	28.872

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
15	Eunomia	0	Eunomia		Novakovic	2019EPSC...13.1671N	HCM
15	Eunomia	502	Eunomia	-0.7800	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.5356	0.1463	0.2323	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
3.43	0.170	0.170	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.285	0.0577	0.0577	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
14.58			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
S				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
S	S	0.8484	0.9000	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.8842	0.9000	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.9159	0.9000	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.9982	0.9000	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S		0.274		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
S		0.73		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
S	S	0.3146	0.9000	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT