Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
4221 Picasso (1988 EJ)
Classification: Main-belt Asteroid          SPK-ID: 2004221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266741286752207 2.3903e-08  
a 2.619677850373314 9.5236e-09 au
q 2.287832441267499 6.337e-08 au
i 17.18633833979334 1.1943e-06 deg
node 187.9347074244975 2.3569e-06 deg
peri 38.73407011378793 7.2315e-06 deg
M 229.8175576955657 8.9746e-06 deg
tp 2459760.541452353546
(2022-Jun-30.04145235)
4.0149e-05 TDB
period 1548.710557878427
4.24
8.4453e-06
2.312e-08
d
yr
n .2324514404377554 1.2676e-09 deg/d
Q 2.951523259479129 1.073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2681  
   data-arc span      24462 days (66.97 yr)  
   first obs. used      1954-04-02  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:29:12  

Additional Information
 Earth MOID = 1.30236 au 
 Jupiter MOID = 2.05111 au 
 T_jup = 3.331 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.72   n/a MPCxxxxx  
diameter diameter 10.823 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.1114 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Benishek, V. (2018) Minor Planet Bull. 45, 386-389.]
[Percy, S.C. (2018) Minor Planet Bull. 45, 326-328.]
[Percy, S. (2018) Posting on CALL web site: http://www.minorplanet.info/call.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.167   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4221 Picasso (1988 EJ)          Discovered 1988-Mar-13 by Alu, J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 EJ = 1954 GD = 1984 JH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-12 13:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin