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56225 (1999 JL19)
Classification: Main-belt Asteroid          SPK-ID: 2056225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2187439695261913 3.5695e-08  
a 2.640047670855667 1.228e-08 au
q 2.062553163594323 9.6045e-08 au
i 5.287695673544098 5.7368e-06 deg
node 13.66947890279074 4.1713e-05 deg
peri 232.8568492066378 4.3871e-05 deg
M 310.5975045423505 1.408e-05 deg
tp 2459215.511884867159
(2021-Jan-01.01188487)
6.1961e-05 TDB
period 1566.809081912318
4.29
1.0932e-05
2.993e-08
d
yr
n .2297663475122405 1.6031e-09 deg/d
Q 3.217542178117012 1.4966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:00:17  

Additional Information
 Earth MOID = 1.05454 au 
 Jupiter MOID = 1.84015 au 
 T_jup = 3.355 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO385178  

56225 (1999 JL19)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JL19 = 2000 SO202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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