2001 AL18

2001AL18, 1999 TZ281, 1999TZ281, A7072, J99TS1Z, K01A18L

All data for this body: [vot]

MPC data
Name (number) 2001 AL18 (107072)
a 2.29599
e 0.18937
i / sin(i) 22.5636 / 0.38371
q 1.86120
Q 2.73079
ω 47.4498
Node 161.3664
m 321.5507
n 0.2833
Epoch 2460800.5
nobs 2282
nopp 18
Years observed 1999-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.296
ep 0.217
sin(ip) 0.383
G 0.150
H 14.850
Mass
D 2.81 0.327
pV 0.230 0.0636
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.378
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.6800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2956 0.2167 0.3830 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.70 0.440 0.440 Nugent 2016AJ....152...63N NEATM
2.95 0.490 0.490 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.250 0.0900 0.0900 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
14.85 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 S 0.3963 0.3963 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT