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JPL Small-Body Database Browser
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312974 (1999 CU8)
Classification: Mars-crossing Asteroid          SPK-ID: 2312974
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2845461623247513 6.6957e-08  
a 1.869334653954415 9.2436e-09 au
q 1.337422652071019 1.2873e-07 au
i 29.33508571425025 7.6293e-06 deg
node 109.7182194852203 1.3346e-05 deg
peri 102.3948884789487 2.5619e-05 deg
M 273.6854722285681 1.2762e-05 deg
tp 2458824.325936626420
(2019-Dec-06.82593663)
3.3186e-05 TDB
period 933.5315765022386
2.56
6.9243e-06
1.896e-08
d
yr
n .385632376088284 2.8604e-09 deg/d
Q 2.40124665583781 1.1874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7308 days (20.01 yr)  
   first obs. used      1999-01-06  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:30:53  

Additional Information
 Earth MOID = .515182 au 
 Jupiter MOID = 3.01028 au 
 T_jup = 3.785 
[ 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 17.2   n/a MPO402216  

312974 (1999 CU8)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

Alternate Designations
 1999 CU8 = 2007 MJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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