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214302 (2005 JA4)
Classification: Main-belt Asteroid          SPK-ID: 2214302
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700661689245393 3.7035e-08  
a 2.421573521062732 1.2332e-08 au
q 2.009745789566486 9.1226e-08 au
i 3.281332799088061 4.1615e-06 deg
node 68.14545944432176 0.0001043 deg
peri 191.9386442197275 0.00010579 deg
M 317.9213845075863 1.8967e-05 deg
tp 2459161.380666446149
(2020-Nov-07.88066645)
7.2979e-05 TDB
period 1376.400797480027
3.77
1.0514e-05
2.879e-08
d
yr
n .2615517229131973 1.998e-09 deg/d
Q 2.833401252558978 1.443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6461 days (17.69 yr)  
   first obs. used      2002-08-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:05:22  

Additional Information
 Earth MOID = .994558 au 
 Jupiter MOID = 2.22865 au 
 T_jup = 3.491 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703226717181039 3.6974e-08  
q 2.009996959966967 9.1175e-08 au
tp 2457783.407886111378
(2017-Jan-29.90788611)
6.9532e-05 TDB
node 68.17413274186154 0.00010432 deg
peri 191.6364222405376 0.0001058 deg
i 3.281078184738983 4.1603e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6461 days (17.69 yr)  
   first obs. used      2002-08-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:05:22  

Additional Information
 Jupiter MOID = 2.22865 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.367074610871726E-15 -3.349761766472301E-15 2.598242550616504E-13 -1.944647559070009E-15 1.128021068105251E-13 -3.815114390925776E-16
q -3.349761766472301E-15 8.312867606161615E-15 -4.377933869341273E-13 8.707428464977132E-15 -2.351931927477991E-13 1.093027334166196E-15
tp 2.598242550616504E-13 -4.377933869341273E-13 4.83470975082787E-9 5.27618676711882E-11 1.268194438566908E-9 1.580273076144367E-12
node -1.944647559070009E-15 8.707428464977132E-15 5.27618676711882E-11 1.088264586656568E-8 -1.085078505248012E-8 -1.549710838606125E-11
peri 1.128021068105251E-13 -2.351931927477991E-13 1.268194438566908E-9 -1.085078505248012E-8 1.119407815574606E-8 1.587992076669774E-11
i -3.815114390925776E-16 1.093027334166196E-15 1.580273076144367E-12 -1.549710838606125E-11 1.587992076669774E-11 1.730847583414796E-11

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 17.0   n/a MPO418149  

214302 (2005 JA4)          Discovered 2005-May-03 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2005 JA4 = 2005 GA211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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