Nairc

04245, 1955 QH1, 1955QH1, 1977 RQ8, 1977RQ8, 1981 UC10, 1981UC10, J55Q01H, J77R08Q, J81U10C

All data for this body: [vot]

MPC data

Name (number)	Nairc (4245)
a	2.37536
e	0.16806
i / sin(i)	1.9429 / 0.03390
q	1.97616
Q	2.77455
ω	26.0795
Node	359.0231
m	175.7450
n	0.2692
Epoch	2460200.5

n_obs	4476
n_opp	25
Years observed	1954-2023
rms	0.50

Best values

	Value	Standard error
Parent

a_p	2.375
e_p	0.140
sin(i_p)	0.037

	Value	Standard error
G	0.150
H	14.110
Mass
D	10.22	0.013
pV	0.040	0.0022

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.3749	0.1398	0.0369	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
10.06	2.830	2.830	Masiero	2020PSJ.....1....5M	NEATM
10.14	2.190	2.190	Masiero	2020PSJ.....1....5M	NEATM
10.22	0.013	0.013	Masiero	2011ApJ...741...68M	NEATM
10.34	3.170	3.170	Masiero	2012ApJ...759L...8M	NEATM
10.75	3.007	3.007	Masiero	2017AJ....154..168M	NEATM
10.99	0.680	0.680	Usui	2011PASJ...63.1117U	NEATM
11.39	2.860	2.860	Nugent	2016AJ....152...63N	NEATM
11.48	2.300	2.300	Ali-Lagoa	2018A&A...612A..85A	NEATM
9.56	2.400	2.400	Masiero	2021PSJ.....2..162M	NEATM
9.60	2.260	2.260	Masiero	2020PSJ.....1....5M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.030	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.039	0.0382	0.0382	Masiero	2017AJ....154..168M	NEATM
0.039	0.0023	0.0023	Masiero	2011ApJ...741...68M	NEATM
0.041	0.0160	0.0160	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.046	0.0240	0.0240	Masiero	2020PSJ.....1....5M	NEATM
0.047	0.0320	0.0320	Masiero	2012ApJ...759L...8M	NEATM
0.048	0.0400	0.0400	Masiero	2020PSJ.....1....5M	NEATM
0.053	0.0200	0.0320	Masiero	2021PSJ.....2..162M	NEATM
0.057	0.0370	0.0370	Masiero	2020PSJ.....1....5M	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
14.11			MPC-2023-12-04	MPC-2023-12-04	Phot