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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204932173918811 3.8483e-08  
a 1.916861647540248 6.3581e-09 au
q 1.685892820333021 7.5354e-08 au
i 22.85934393151731 5.1407e-06 deg
node 160.1789461460994 9.3893e-06 deg
peri 254.5605827579204 2.1929e-05 deg
M 309.1568084027106 2.0011e-05 deg
tp 2458737.403604639795
(2019-Sep-10.90360464)
5.4081e-05 TDB
period 969.3588486871056
2.65
4.8229e-06
1.32e-08
d
yr
n .3713794953103096 1.8478e-09 deg/d
Q 2.147830474747474 7.1242e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1130  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      1999-01-22  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:47:06  

Additional Information
 Earth MOID = .780506 au 
 Jupiter MOID = 3.15488 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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