Toynbee

07401, 1980 WP2, 1980WP2, 1987 QW7, 1987QW7, J80W02P, J87Q07W

All data for this body: [vot]

MPC data
Name (number) Toynbee (7401)
a 2.43806
e 0.18543
i / sin(i) 2.0404 / 0.03560
q 1.98598
Q 2.89015
ω 144.8617
Node 225.2476
m 287.0213
n 0.2589
Epoch 2460800.5
nobs 2466
nopp 27
Years observed 1980-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.437
ep 0.153
sin(ip) 0.050
G 0.150
H 14.520
Mass
D 7.82 0.080
pV 0.054 0.0076
Value
Rotational Period
Period quality None
Spectral Class Cgx
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.2100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4374 0.1528 0.0500 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.18 1.990 1.990 Nugent 2016AJ....152...63N NEATM
6.50 1.670 1.670 Masiero 2020PSJ.....1....5M NEATM
7.51 1.980 1.980 Masiero 2021PSJ.....2..162M NEATM
7.61 2.830 2.830 Masiero 2020PSJ.....1....5M NEATM
7.75 2.240 2.240 Masiero 2012ApJ...759L...8M NEATM
7.83 0.080 0.080 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0250 0.0250 Masiero 2012ApJ...759L...8M NEATM
0.052 0.0085 0.0085 Masiero 2011ApJ...741...68M NEATM
0.053 0.0500 0.0500 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0250 0.0460 Masiero 2021PSJ.....2..162M NEATM
0.073 0.0610 0.0610 Masiero 2020PSJ.....1....5M NEATM
0.100 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.52 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Cgx Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT