Duncombe

03368, 1954 RG, 1954RG, 1954 RN, 1954RN, 1970 GH1, 1970GH1, 1973 SP5, 1973SP5, 1976 GJ4, 1976GJ4, 1985 QT, 1985QT, J54R00G, J54R00N, J70G01H, J73S05P, J76G04J, J85Q00T

All data for this body: [vot]

MPC data

Name (number)	Duncombe (3368)
a	3.38474
e	0.09300
i / sin(i)	19.1113 / 0.32741
q	3.06996
Q	3.69951
ω	348.1111
Node	3.9184
m	137.9265
n	0.1583
Epoch	2460800.5

n_obs	6589
n_opp	27
Years observed	1954-2025
rms	0.51

Best values

	Value	Standard error
Parent

a_p	3.379
e_p	0.093
sin(i_p)	0.326
G	0.150
H	11.110
Mass
D	33.80	0.092
pV	0.060	0.0033

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

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.3792	0.0934	0.3262	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
29.28	1.079	1.079	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
33.33	0.100	0.100	Masiero	2014ApJ...791..121M	NEATM
34.53	6.910	6.910	Ali-Lagoa	2018A&A...612A..85A	NEATM
34.76	3.065	3.065	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
34.91	1.090	1.090	Usui	2011PASJ...63.1117U	NEATM
35.20	3.200	3.200	Tedesco	2002AJ....123.1056T	STM
36.88	0.248	0.248	Masiero	2011ApJ...741...68M	NEATM
37.48	7.500	7.500	Ali-Lagoa	2018A&A...612A..85A	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.043	0.0090	0.0090	Tedesco	2002AJ....123.1056T	STM
0.045	0.0080	0.0080	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.055	0.0220	0.0220	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.062	0.0047	0.0047	Masiero	2011ApJ...741...68M	NEATM
0.062	0.0115	0.0115	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
0.065	0.0260	0.0260	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.090	0.0100	0.0100	Masiero	2014ApJ...791..121M	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
11.11			MPC-2023-12-04	MPC-2023-12-04	Phot