1991 AS1

1991AS1, 43796, J91A01S

All data for this body: [vot]

MPC data
Name (number) 1991 AS1 (43796)
a 2.60400
e 0.22515
i / sin(i) 30.6256 / 0.50943
q 2.01771
Q 3.19030
ω 121.9068
Node 317.6286
m 90.5116
n 0.2346
Epoch 2460800.5
nobs 2470
nopp 21
Years observed 1953-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Barcelona (945)
 
ap 2.603
ep 0.206
sin(ip) 0.510
G 0.150
H 13.840
Mass
D 4.31 0.773
pV 0.270 0.0790
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.598
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
945 Barcelona 0 Barcelona Novakovic 2019EPSC...13.1671N HCM
945 Barcelona 805 Barcelona -2.6900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6031 0.2064 0.5105 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.07 1.040 1.040 Nugent 2016AJ....152...63N NEATM
4.61 1.155 1.155 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.240 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.301 0.1135 0.1135 Masiero 2011ApJ...741...68M 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
13.84 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
S 0.933 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT