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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3185808342382758 6.9352e-08  
a 2.658248835792202 1.7744e-08 au
q 1.811381704072596 1.8213e-07 au
i 28.32496299198301 1.2667e-05 deg
node 342.0260422990104 1.1507e-05 deg
peri 284.4975594807567 2.1523e-05 deg
M 253.4963822823333 1.7406e-05 deg
tp 2459068.831893972211
(2020-Aug-07.33189397)
7.8076e-05 TDB
period 1583.039951534238
4.33
1.585e-05
4.339e-08
d
yr
n .2274105588119227 2.277e-09 deg/d
Q 3.505115967511807 2.3397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      15171 days (41.54 yr)  
   first obs. used      1977-08-18  
   last obs. used      2019-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:17:11  

Additional Information
 Earth MOID = .97804 au 
 Jupiter MOID = 2.40747 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 15.3   n/a MPO385350  

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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