Eupraksia

03655, 1978 SA3, 1978SA3, 1979 YW2, 1979YW2, 1981 ED49, 1981ED49, 1982 FZ3, 1982FZ3, J78S03A, J79Y02W, J81E49D, J82F03Z

All data for this body: [vot]

MPC data

Name (number)	Eupraksia (3655)
a	4.01762
e	0.20198
i / sin(i)	3.8199 / 0.06662
q	3.20616
Q	4.82908
ω	39.9318
Node	337.9406
m	286.2463
n	0.1224
Epoch	2460800.5

n_obs	3914
n_opp	35
Years observed	1954-2025
rms	0.66

Best values

	Value	Standard error
Parent

a_p	3.964
e_p	0.156
sin(i_p)	0.081
G	0.150
H	11.050
Mass
D	36.59	0.269
pV	0.067	0.0124

	Value
Rotational Period	75.660
Period quality	2
Spectral Class	D
Spectral Class Score	13.027

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.9644	0.1557	0.0806	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
27.41	3.640	3.640	Usui	2011PASJ...63.1117U	NEATM
28.15	5.630	5.630	Ali-Lagoa	2018A&A...612A..85A	NEATM
36.66	0.270	0.270	Grav	2012ApJ...744..197G	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.063	0.0130	0.0130	Grav	2012ApJ...744..197G	NEATM
0.101	0.0400	0.0400	Ali-Lagoa	2018A&A...612A..85A	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
11.05			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
20.0	1	Synodic	Dahlgren	1998Icar..133..247D	Lightcurve
75.668	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
D				Tholen	VIS	Dahlgren	1995A&A...302..907D	SPEC
D		0.663		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
D	D	0.6748	0.5350	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
L	D	0.3983	0.5350	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
XD		0.39		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT