1988 AL

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

All data for this body: [vot]

MPC data
Name (number) 1988 AL (5556)
a 2.78842
e 0.17043
i / sin(i) 8.5869 / 0.14931
q 2.31318
Q 3.26365
ω 358.6925
Node 167.9261
m 198.9492
n 0.2117
Epoch 2460200.5
nobs 2581
nopp 25
Years observed 1951-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.790
ep 0.212
sin(ip) 0.139
Value Standard error
G 0.150
H 13.820
Mass
D 12.21 0.391
pV 0.045 0.0065
Rotational Period
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-Oct-2022
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
13.82 MPC-2023-12-04 MPC-2023-12-04 Phot