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JPL Small-Body Database Browser
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305836 (2009 DJ137)
Classification: Main-belt Asteroid          SPK-ID: 2305836
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09759297121400151 1.1495e-07  
a 2.58787471365254 2.8188e-08 au
q 2.335316331217606 3.0429e-07 au
i 4.959757792282173 1.0554e-05 deg
node 15.11788725753813 7.2652e-05 deg
peri 112.7624123900308 9.7836e-05 deg
M 295.7651762158691 5.9123e-05 deg
tp 2459271.819703490305
(2021-Feb-26.31970349)
0.00024965 TDB
period 1520.594087480634
4.16
2.4844e-05
6.802e-08
d
yr
n .2367495723967063 3.8681e-09 deg/d
Q 2.840433096087475 3.0939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      5290 days (14.48 yr)  
   first obs. used      2005-04-05  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:20  

Additional Information
 Earth MOID = 1.35553 au 
 Jupiter MOID = 2.19852 au 
 T_jup = 3.409 
[ 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 17.5   n/a MPO494623  

305836 (2009 DJ137)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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