Appella

00988, 1922 VC, 1922VC, 1955 QJ1, 1955QJ1, J22V00C, J55Q01J

All data for this body: [vot]

MPC data
Name (number) Appella (988)
a 3.14323
e 0.23790
i / sin(i) 1.5743 / 0.02747
q 2.39546
Q 3.89101
ω 336.8589
Node 41.7169
m 13.8090
n 0.1769
Epoch 2460200.5
nobs 4312
nopp 36
Years observed 1939-2023
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.153
ep 0.196
sin(ip) 0.023
Value Standard error
G 0.150
H 11.670
Mass
D 22.42 0.159
pV 0.074 0.0046
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1526 0.1956 0.0234 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.43 0.215 0.215 Masiero 2011ApJ...741...68M NEATM
20.44 0.330 0.330 Masiero 2012ApJ...759L...8M NEATM
21.70 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
21.80 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
21.93 2.321 2.321 Ryan&Woodward 2010AJ....140..933R IRAS-STM
25.91 1.200 1.200 Tedesco 2002AJ....123.1056T STM
25.94 9.350 9.350 Masiero 2020PSJ.....1....5M NEATM
27.62 2.226 2.226 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
27.63 2.760 2.760 Ali-Lagoa 2018A&A...612A..85A NEATM
30.09 0.370 0.370 Usui 2011PASJ...63.1117U NEATM
30.14 9.660 9.660 Masiero 2020PSJ.....1....5M NEATM
32.01 3.200 3.200 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0310 0.0310 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.049 0.0470 0.0470 Masiero 2020PSJ.....1....5M NEATM
0.058 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.081 0.0120 0.0120 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.087 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.097 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM
0.131 0.0225 0.0225 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.140 0.0208 0.0208 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
11.67 MPC-2023-12-04 MPC-2023-12-04 Phot