1998 RG

1998RG, 2000 AC87, 2000AC87, 44308, J98R00G, K00A87C

All data for this body: [vot]

MPC data

Name (number)	1998 RG (44308)
a	2.76543
e	0.12394
i / sin(i)	10.0965 / 0.17531
q	2.42268
Q	3.10818
ω	328.7839
Node	125.8716
m	199.4861
n	0.2143
Epoch	2460800.5

n_obs	1964
n_opp	22
Years observed	1998-2025
rms	0.75

Best values

	Value	Standard error
Parent	Gefion (1272)

a_p	2.764
e_p	0.133
sin(i_p)	0.158
G	0.150
H	14.470
Mass
D	3.84	0.613
pV	0.245	0.0693

	Value
Rotational Period
Period quality	None
Spectral Class	S
Spectral Class Score	23.723

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
1272	Gefion	0	Gefion		Novakovic	2019EPSC...13.1671N	HCM
1272	Gefion	516	Gefion	-0.3500	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.7644	0.1333	0.1578	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
3.80	0.787	0.787	Masiero	2011ApJ...741...68M	NEATM
3.89	0.977	0.977	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.244	0.0731	0.0731	Masiero	2011ApJ...741...68M	NEATM
0.256	0.2189	0.2189	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
14.47			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
S				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
S		0.85		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
S	S	0.6035	0.8410	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.8445	0.8410	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.8991	0.8410	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	S	0.9900	0.8410	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT