Picasso

04221, 1954 GD, 1954GD, 1984 JH1, 1984JH1, 1988 EJ, 1988EJ, J54G00D, J84J01H, J88E00J

All data for this body: [vot]

MPC data
Name (number) Picasso (4221)
a 2.62241
e 0.12443
i / sin(i) 17.1601 / 0.29504
q 2.29609
Q 2.94872
ω 39.3578
Node 187.8046
m 241.0395
n 0.2321
Epoch 2460800.5
nobs 7788
nopp 28
Years observed 1954-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent Gersuind (686)
 
ap 2.620
ep 0.166
sin(ip) 0.294
G 0.150
H 12.840
Mass
D 10.74 0.038
pV 0.170 0.0129
Value
Rotational Period 3.111
Period quality 3
Spectral Class L
Spectral Class Score 7.874
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
686 Gersuind 804 Gersuind Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6204 0.1659 0.2944 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.07 0.270 0.270 Masiero 2012ApJ...759L...8M NEATM
10.71 0.050 0.050 Masiero 2011ApJ...741...68M NEATM
10.82 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
11.75 2.350 2.350 Ali-Lagoa 2018A&A...612A..85A NEATM
12.05 0.960 0.960 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.128 0.0510 0.0510 Ali-Lagoa 2018A&A...612A..85A NEATM
0.170 0.0166 0.0166 Masiero 2011ApJ...741...68M NEATM
0.170 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.191 0.0340 0.0340 Masiero 2012ApJ...759L...8M 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
12.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.111 2+ Synodic Farfan LCDB Lightcurve
3.111 3 Synodic Percy 2018MPBu...45..326P Lightcurve
3.111 3 Synodic Percy LCDB Lightcurve
3.11111 3- Synodic Behrend LCDB Lightcurve
3.1114 3 Synodic Benishek 2018MPBu...45..386B Lightcurve
3.1114 3 Synodic Pravec LCDB Lightcurve
3.3226 3- Synodic Clark 2019MPBu...46..346C Lightcurve
3.327 2+ Synodic Franco 2022MPBu...49..342F Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.253 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L L 0.5516 0.7120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.7607 0.7120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT