1981 EN26

1981EN26, 14807, J81E26N

All data for this body: [vot]

MPC data

Name (number)	1981 EN26 (14807)
a	2.78645
e	0.15351
i / sin(i)	8.1380 / 0.14156
q	2.35871
Q	3.21418
ω	358.7632
Node	186.0866
m	172.5583
n	0.2119
Epoch	2460800.5

n_obs	1951
n_opp	24
Years observed	1978-2025
rms	0.77

Best values

	Value	Standard error
Parent	Dora (668)

a_p	2.787
e_p	0.199
sin(i_p)	0.139
G	0.150
H	14.640
Mass
D	6.30	0.057
pV	0.136	0.0202

	Value
Rotational Period
Period quality	None
Spectral Class	C
Spectral Class Score	6.138

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
668	Dora	0	Dora		Novakovic	2019EPSC...13.1671N	HCM
668	Dora	512	Dora		Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.7865	0.1986	0.1389	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
5.99	1.610	1.610	Masiero	2020PSJ.....1....5M	NEATM
6.30	0.057	0.057	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.078	0.0500	0.0500	Masiero	2020PSJ.....1....5M	NEATM
0.147	0.0221	0.0221	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
14.64			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	C	0.5136	0.2130	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C	C	0.0833	0.2130	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C	C	0.2711	0.2130	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C	C	0.2850	0.2130	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C	C	0.3836	0.2130	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	C	0.2502	0.2130	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT