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74444 (1999 CJ12)
Classification: Inner Main-belt Asteroid          SPK-ID: 2074444
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206015286992303 3.5146e-08  
a 1.916931805818306 5.8175e-09 au
q 1.685746899624442 6.8079e-08 au
i 22.86017874843442 4.8712e-06 deg
node 160.1737180545101 8.9969e-06 deg
peri 254.5104315927127 2.0862e-05 deg
M 97.74481314205573 1.8469e-05 deg
tp 2458737.291662697871
(2019-Sep-10.79166270)
4.9523e-05 TDB
period 969.4120678409373
2.65
4.4129e-06
1.208e-08
d
yr
n .3713591071769796 1.6905e-09 deg/d
Q 2.14811671201217 6.5191e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1999-01-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48018  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:10  

Additional Information
 Earth MOID = .781073 au 
 Jupiter MOID = 3.15355 au 
 T_jup = 3.825 
[ 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 15.1   n/a MPO453157  
diameter diameter 1.578 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.778   0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74444 (1999 CJ12)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CJ12 = 2000 OX5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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