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JPL Small-Body Database Browser
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19929 (1981 DL3)
Classification: Main-belt Asteroid          SPK-ID: 2019929
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226605817926004 4.5149e-08  
a 2.2776537166863 1.019e-08 au
q 1.998275386675479 1.0252e-07 au
i 5.715507142965389 4.2769e-06 deg
node 283.4396693538973 4.9291e-05 deg
peri 88.32762130936385 5.304e-05 deg
M 316.1711109145149 2.3172e-05 deg
tp 2459153.357915939324
(2020-Oct-30.85791594)
8.1459e-05 TDB
period 1255.538319276739
3.44
8.4257e-06
2.307e-08
d
yr
n .2867295999435368 1.9242e-09 deg/d
Q 2.55703204669712 1.144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      23192 days (63.50 yr)  
   first obs. used      1955-11-11  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:47:30  

Additional Information
 Earth MOID = 1.00794 au 
 Jupiter MOID = 2.93258 au 
 T_jup = 3.591 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO337426  

19929 (1981 DL3)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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