Eltigen

02217, 1942 LG, 1942LG, 1958 FJ, 1958FJ, 1959 NP, 1959NP, 1970 LD, 1970LD, 1971 SK2, 1971SK2, 1974 CL, 1974CL, 1976 NN, 1976NN, 1976 OB1, 1976OB1, 1977 TH5, 1977TH5, J42L00G, J58F00J, J59N00P, J70L00D, J71S02K, J74C00L, J76N00N, J76O01B, J77T05H

All data for this body: [vot]

MPC data

Name (number)	Eltigen (2217)
a	3.14831
e	0.17125
i / sin(i)	2.2493 / 0.03925
q	2.60914
Q	3.68747
ω	172.3852
Node	127.4416
m	236.0848
n	0.1764
Epoch	2460800.5

n_obs	5147
n_opp	42
Years observed	1955-2025
rms	0.67

Best values

[raw, vot]

	Value	Standard error
Parent	Themis (24)

a_p	3.158
e_p	0.157
sin(i_p)	0.023
G	0.150
H	11.460
Mass
D	28.19	0.116
pV	0.112	0.0030

	Value
Rotational Period	6.920
Period quality	3-
Spectral Class	B
Spectral Class Score	3.312

Family data

[raw, vot]

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
24	Themis	0	Themis		Novakovic	2019EPSC...13.1671N	HCM
24	Themis	602	Themis	0.5300	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

[raw, vot]

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1583	0.1573	0.0229	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
20.72	3.900	3.900	Nugent	2016AJ....152...63N	NEATM
20.84	6.210	6.210	Nugent	2016AJ....152...63N	NEATM
23.48	0.290	0.290	Masiero	2012ApJ...759L...8M	NEATM
25.80	0.875	0.875	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
26.10	1.900	1.900	Tedesco	2002AJ....123.1056T	STM
26.36	5.270	5.270	Ali-Lagoa	2018A&A...612A..85A	NEATM
27.30	1.275	1.275	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
28.80	0.140	0.140	Masiero	2014ApJ...791..121M	NEATM
30.99	1.200	1.200	Usui	2011PASJ...63.1117U	NEATM
31.03	6.210	6.210	Ali-Lagoa	2018A&A...612A..85A	NEATM
31.66	0.354	0.354	Masiero	2011ApJ...741...68M	NEATM

Albedo data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.054	0.0220	0.0220	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.075	0.0300	0.0300	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.084	0.0165	0.0165	Masiero	2011ApJ...741...68M	NEATM
0.090	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.090	0.1000	0.1000	Nugent	2016AJ....152...63N	NEATM
0.097	0.0100	0.0100	Masiero	2012ApJ...759L...8M	NEATM
0.114	0.0036	0.0036	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
0.124	0.0200	0.0200	Tedesco	2002AJ....123.1056T	STM
0.127	0.0089	0.0089	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.180	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM

G data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
11.46			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

[raw, vot]

Value	Quality	Side real or Synodic	Author	Reference	Method
6.89	2-	Synodic	Chang	2014ApJ...788...17C	Lightcurve
6.92306	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.924	3-	Synodic	Ditteon	2010MPBu...37....1D	Lightcurve
6.925	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve

Spectral Class Data

[raw, vot]

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
B		0.552		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT