1999 JE77

1999JE77, 31739, J99J77E

All data for this body: [vot]

MPC data

Name (number)	1999 JE77 (31739)
a	2.99128
e	0.08854
i / sin(i)	10.4409 / 0.18122
q	2.72645
Q	3.25611
ω	135.8691
Node	158.0169
m	301.6249
n	0.1905
Epoch	2460800.5

n_obs	2054
n_opp	23
Years observed	1995-2025
rms	0.76

Best values

	Value	Standard error
Parent	Eos (221)

a_p	2.993
e_p	0.079
sin(i_p)	0.173
G	0.150
H	14.320
Mass
D	4.41	1.257
pV	0.228	0.1977

	Value
Rotational Period
Period quality	None
Spectral Class	S
Spectral Class Score	12.157

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
221	Eos	606	Eos	-0.3500	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14
221	Eos	0	Eos		Novakovic	2019EPSC...13.1671N	HCM

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.9925	0.0791	0.1730	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
4.41	1.257	1.257	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.228	0.1977	0.1977	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
14.32			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
D	S	0.4557	0.3750	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
D	S	0.4967	0.3750	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
L		0.331		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
L	S	0.3815	0.3750	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.3099	0.3750	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.4487	0.3750	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.5682	0.3750	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.6993	0.3750	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT