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212227 (2005 JJ19)
Classification: Main-belt Asteroid          SPK-ID: 2212227
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195555795181214 4.6337e-08  
a 2.64075367633148 1.4729e-08 au
q 2.124338991278763 1.2073e-07 au
i 5.99010209130186 4.4821e-06 deg
node 112.9695675753322 3.7383e-05 deg
peri 131.4969941767375 3.9048e-05 deg
M 171.8704451953769 1.1063e-05 deg
tp 2458252.177217132798
(2018-May-13.67721713)
4.5654e-05 TDB
period 1567.437621552393
4.29
1.3114e-05
3.59e-08
d
yr
n .2296742116240998 1.9215e-09 deg/d
Q 3.157168361384198 1.7609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      5811 days (15.91 yr)  
   first obs. used      2003-12-29  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56734  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:52:18  

Additional Information
 Earth MOID = 1.11658 au 
 Jupiter MOID = 1.88912 au 
 T_jup = 3.360 
[ 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 16.3   n/a MPO440125  

212227 (2005 JJ19)          Discovered 2005-May-04 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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