1997 YW2

1997YW2, 1987 BF1, 1987BF1, 2000 SM243, 2000SM243, 35401, J87B01F, J97Y02W, K00SO3M

All data for this body: [vot]

MPC data

Name (number)	1997 YW2 (35401)
a	2.39197
e	0.12938
i / sin(i)	3.3321 / 0.05812
q	2.08250
Q	2.70145
ω	344.0572
Node	101.9875
m	159.7218
n	0.2664
Epoch	2460800.5

n_obs	1414
n_opp	21
Years observed	1987-2025
rms	0.79

Best values

	Value	Standard error
Parent	Nysa (44)

a_p	2.392
e_p	0.140
sin(i_p)	0.043
G	0.150
H	15.780
Mass
D	3.91	0.289
pV	0.075	0.0184

	Value
Rotational Period
Period quality	None
Spectral Class	C
Spectral Class Score	5.618

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
44	Nysa	405	Nysa-Polana	-0.2600	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.3918	0.1397	0.0430	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
3.20	0.960	0.960	Masiero	2021PSJ.....2..162M	NEATM
3.70	0.943	0.943	Masiero	2017AJ....154..168M	NEATM
3.98	0.357	0.357	Masiero	2011ApJ...741...68M	NEATM
4.15	0.720	0.720	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.068	0.0485	0.0485	Masiero	2017AJ....154..168M	NEATM
0.071	0.0310	0.0310	Masiero	2012ApJ...759L...8M	NEATM
0.077	0.0307	0.0307	Masiero	2011ApJ...741...68M	NEATM
0.089	0.0360	0.0620	Masiero	2021PSJ.....2..162M	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
15.78			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
C		0.12		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C		0.817		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
C	C	0.0794	0.0794	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT