1998 HM93

1998HM93, 2003 ER37, 2003ER37, A0880, J98H93M, K03E37R

All data for this body: [vot]

MPC data

Name (number)	1998 HM93 (100880)
a	3.14685
e	0.15311
i / sin(i)	4.5890 / 0.08001
q	2.66505
Q	3.62866
ω	286.9775
Node	346.2285
m	246.0486
n	0.1766
Epoch	2460800.5

n_obs	908
n_opp	20
Years observed	1998-2025
rms	0.88

Best values

	Value	Standard error
Parent	Hygiea (10)

a_p	3.151
e_p	0.158
sin(i_p)	0.093
G	0.150
H	14.870
Mass
D	6.18	0.242
pV	0.067	0.0096

	Value
Rotational Period
Period quality	None
Spectral Class	C
Spectral Class Score	5.374

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
10	Hygiea	0	Hygiea		Novakovic	2019EPSC...13.1671N	HCM
10	Hygiea	601	Hygiea		Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1508	0.1583	0.0934	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
6.18	0.242	0.242	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.067	0.0096	0.0096	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
14.87			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	B	0.0782	0.1600	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
B	B	0.1878	0.1600	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
C		0.32		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C	B	0.0553	0.1600	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C	B	0.4003	0.1600	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
Ds	Ad	None	None	Movis	NIR	Popescu	2018A&A...617A..12P	PHOT
V	B	0.0189	0.1600	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT