Walraven

01946, 1931 PH, 1931PH, 1952 PB, 1952PB, 1959 RE1, 1959RE1, 1966 TC, 1966TC, 1972 JE1, 1972JE1, J31P00H, J52P00B, J59R01E, J66T00C, J72J01E

All data for this body: [vot]

MPC data

Name (number)	Walraven (1946)
a	2.29403
e	0.23458
i / sin(i)	8.1590 / 0.14192
q	1.75589
Q	2.83217
ω	340.0931
Node	17.2288
m	316.6950
n	0.2837
Epoch	2460800.5

n_obs	7658
n_opp	34
Years observed	1931-2025
rms	0.50

Best values

	Value	Standard error
Parent

a_p	2.294
e_p	0.190
sin(i_p)	0.130
G	0.150
H	12.290
Mass
D	9.21	0.109
pV	0.362	0.0670

	Value
Rotational Period	10.200
Period quality	3
Spectral Class	V
Spectral Class Score	21.000

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.2937	0.1901	0.1302	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
9.21	0.109	0.109	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.362	0.0670	0.0670	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
12.29			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
10.1881	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
10.21	2+	Synodic	Aznar	2016MPBu...43..257A	Lightcurve
10.21	3	Synodic	Dose	2023MPBu...50..151D	Lightcurve
10.2101	2	Sidereal	Hanus	2016A&A...586A.108H	Model
10.22	2	Synodic	Folberth	2012MPBu...39...51F	Lightcurve
10.223	2	Synodic	Van Gent	1933BAN.....7...65V	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
V				Tholen	NIR	Fulvio	2016MNRAS.455..584F	SPEC
V				Tholen	VIS	Alvarez-Candal	2006A&A...459..969A	SPEC
V		1.000000		Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC
V		1.000000		Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC