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214977 (2008 AD68)
Classification: Main-belt Asteroid          SPK-ID: 2214977
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02141939956516748 4.9379e-08  
a 2.963975592642424 3.6338e-08 au
q 2.900489015122212 1.542e-07 au
i 9.595946968552452 5.4946e-06 deg
node 128.3038427972176 3.2353e-05 deg
peri 211.0450303327105 0.00013094 deg
M 305.8105911936308 0.00012826 deg
tp 2459281.057752395412
(2021-Mar-07.55775240)
0.00066509 TDB
period 1863.847439695213
5.10
3.4276e-05
9.384e-08
d
yr
n .1931488556053007 3.552e-09 deg/d
Q 3.027462170162636 3.7116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      5974 days (16.36 yr)  
   first obs. used      2003-02-21  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:17:39  

Additional Information
 Earth MOID = 1.89202 au 
 Jupiter MOID = 2.09721 au 
 T_jup = 3.244 
[ 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 MPO437028  

214977 (2008 AD68)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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