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JPL Small-Body Database Browser
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56222 (1999 JF9)
Classification: Main-belt Asteroid          SPK-ID: 2056222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01120494432055403 4.5596e-08  
a 3.003555940898603 2.278e-08 au
q 2.969901263817165 1.3544e-07 au
i 10.30049834075167 4.4921e-06 deg
node 142.5484516388181 2.7273e-05 deg
peri 263.4709800144201 0.00020407 deg
M 118.793493074047 0.00020147 deg
tp 2457973.103391893730
(2017-Aug-07.60339189)
0.0010648 TDB
period 1901.30598127518
5.21
2.163e-05
5.922e-08
d
yr
n .1893435373082627 2.154e-09 deg/d
Q 3.037210617980041 2.3035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      7704 days (21.09 yr)  
   first obs. used      1998-03-01  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62636  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:23:55  

Additional Information
 Earth MOID = 1.98237 au 
 Jupiter MOID = 2.00368 au 
 T_jup = 3.227 
[ 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 14.6   n/a MPO468453  

56222 (1999 JF9)          Discovered 1999-May-07 by CSS at Catalina
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JF9 = 2001 TT133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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