1988 AL

1988AL, 05556, 1951 EC, 1951EC, J51E00C, J88A00L

All data for this body: [vot]

MPC data
Name (number) 1988 AL (5556)
a 2.79050
e 0.16800
i / sin(i) 8.5749 / 0.14910
q 2.32169
Q 3.25932
ω 358.6884
Node 167.7463
m 325.8173
n 0.2114
Epoch 2460800.5
nobs 3289
nopp 26
Years observed 1951-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.790
ep 0.212
sin(ip) 0.139
G 0.150
H 13.720
Mass
D 12.21 0.391
pV 0.045 0.0065
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.706
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7904 0.2117 0.1388 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.08 2.020 2.020 Ali-Lagoa 2018A&A...612A..85A NEATM
12.50 3.800 3.800 Nugent 2016AJ....152...63N NEATM
12.62 3.660 3.660 Masiero 2020PSJ.....1....5M NEATM
13.35 0.480 0.480 Masiero 2012ApJ...759L...8M NEATM
9.71 0.780 0.780 Usui 2011PASJ...63.1117U NEATM
9.99 2.482 2.482 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.040 0.0560 0.0560 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.066 0.0292 0.0292 Masiero 2017AJ....154..168M NEATM
0.068 0.0270 0.0270 Ali-Lagoa 2018A&A...612A..85A 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
13.72 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
C 0.951 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT