1999 JL94

1999JL94, 1994 NV3, 1994NV3, 31753, J94N03V, J99J94L

All data for this body: [vot]

MPC data

Name (number)	1999 JL94 (31753)
a	3.19272
e	0.05623
i / sin(i)	17.3929 / 0.29892
q	3.01318
Q	3.37226
ω	173.9967
Node	105.0665
m	159.8546
n	0.1728
Epoch	2460800.5

n_obs	2892
n_opp	23
Years observed	1994-2025
rms	0.70

Best values

	Value	Standard error
Parent	Ursula (375)

a_p	3.180
e_p	0.082
sin(i_p)	0.279
G	0.150
H	13.630
Mass
D	10.76	0.099
pV	0.082	0.0053

	Value
Rotational Period	14.663
Period quality	2
Spectral Class	X
Spectral Class Score	4.878

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
375	Ursula	0	Ursula		Novakovic	2019EPSC...13.1671N	HCM
375	Ursula	631	Ursula		Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1796	0.0816	0.2790	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
10.55	0.114	0.114	Masiero	2011ApJ...741...68M	NEATM
11.37	0.199	0.199	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.072	0.0138	0.0138	Masiero	2011ApJ...741...68M	NEATM
0.083	0.0057	0.0057	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
13.63			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
14.6636	2	Sidereal	Durech	2018A&A...617A..57D	Model

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
C	X	0.2654	0.2230	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
X		0.43		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
X	X	0.3363	0.2230	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT