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212264 (2005 JJ122)
Classification: Main-belt Asteroid          SPK-ID: 2212264
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948694039796966 3.733e-08  
a 2.693876355319403 1.5301e-08 au
q 2.168922275563314 9.957e-08 au
i 10.840198791222 5.389e-06 deg
node 198.4360713733051 2.3027e-05 deg
peri 110.591812620077 2.9372e-05 deg
M 82.49958109811375 1.4623e-05 deg
tp 2458630.404199555318
(2019-May-26.90419956)
6.5687e-05 TDB
period 1614.971693027564
4.42
1.376e-05
3.767e-08
d
yr
n .2229141238538449 1.8992e-09 deg/d
Q 3.218830435075493 1.8283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      5756 days (15.76 yr)  
   first obs. used      2004-02-11  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:04:57  

Additional Information
 Earth MOID = 1.1835 au 
 Jupiter MOID = 2.18703 au 
 T_jup = 3.318 
[ 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 15.7   n/a MPO494173  
diameter diameter 4.104 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212264 (2005 JJ122)          Discovered 2005-May-11 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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