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85578 (1998 DP13)
Classification: Main-belt Asteroid          SPK-ID: 2085578
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3187185681500278 5.1688e-08  
a 2.657973404879134 1.6115e-08 au
q 1.810827927095203 1.3879e-07 au
i 28.32861863415642 1.0844e-05 deg
node 342.0240405027783 1.0086e-05 deg
peri 284.5375462781524 1.8251e-05 deg
M 344.4477979495132 1.2999e-05 deg
tp 2459068.877585734283
(2020-Aug-07.37758573)
5.7217e-05 TDB
period 1582.793921042934
4.33
1.4395e-05
3.941e-08
d
yr
n .2274459076534669 2.0685e-09 deg/d
Q 3.505118882663066 2.1252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      15583 days (42.66 yr)  
   first obs. used      1977-08-18  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:38:04  

Additional Information
 Earth MOID = .977955 au 
 Jupiter MOID = 2.4099 au 
 T_jup = 3.150 
[ 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 15.2   n/a MPO468825  

85578 (1998 DP13)          Discovered 1998-Feb-26 by Casulli, V. S. at Colleverde
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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