Joyce

05418, 1976 SN7, 1976SN7, 1981 QG1, 1981QG1, J76S07N, J81Q01G

All data for this body: [vot]

MPC data
Name (number) Joyce (5418)
a 2.97121
e 0.30927
i / sin(i) 17.4660 / 0.30014
q 2.05232
Q 3.89011
ω 243.9185
Node 174.7880
m 28.1280
n 0.1924
Epoch 2460200.5
nobs 2721
nopp 25
Years observed 1976-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.974
ep 0.272
sin(ip) 0.313
Value Standard error
G 0.150
H 13.140
Mass
D 14.33 0.171
pV 0.061 0.0067
Rotational Period 20.960
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9735 0.2721 0.3133 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.34 3.800 3.800 Masiero 2020PSJ.....1....5M NEATM
13.73 3.070 3.070 Masiero 2020PSJ.....1....5M NEATM
13.98 0.287 0.287 Masiero 2011ApJ...741...68M NEATM
14.44 0.246 0.246 Masiero 2011ApJ...741...68M NEATM
14.59 1.460 1.460 Ali-Lagoa 2018A&A...612A..85A NEATM
14.79 0.450 0.450 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0240 0.0240 Masiero 2020PSJ.....1....5M NEATM
0.056 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.063 0.0500 0.0500 Masiero 2020PSJ.....1....5M NEATM
0.064 0.0122 0.0122 Masiero 2011ApJ...741...68M NEATM
0.069 0.0135 0.0135 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
13.14 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.84 Waszczak 2015AJ....150...75W Lightcurve
20.92 Durech 2018A&A...617A..57D Model
20.92 Durech 2023A&A...675A..24D Model
20.96 Simpson 2013MPBu...40..146S Lightcurve
21.49 Waszczak 2015AJ....150...75W Lightcurve