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305807 (2009 DB97)
Classification: Main-belt Asteroid          SPK-ID: 2305807
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609001932865338 4.9008e-08  
a 2.606412494711721 3.1815e-08 au
q 2.187040220528169 1.2918e-07 au
i 12.41914647502649 1.1213e-05 deg
node 355.9448084208004 3.3371e-05 deg
peri 44.3810615614055 5.2851e-05 deg
M 350.2139914989837 4.1248e-05 deg
tp 2459042.279788597437
(2020-Jul-11.77978860)
0.00017635 TDB
period 1536.962071258688
4.21
2.8141e-05
7.705e-08
d
yr
n .2342282914666721 4.2887e-09 deg/d
Q 3.025784768895273 3.6934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5315 days (14.55 yr)  
   first obs. used      2005-03-11  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:02  

Additional Information
 Earth MOID = 1.21067 au 
 Jupiter MOID = 2.50115 au 
 T_jup = 3.361 
[ 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 16.8   n/a MPO494623  

305807 (2009 DB97)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 DB97 = 2005 EG195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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