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442598 (2012 DO9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2442598
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288070453913355 5.4924e-08  
a 3.392464336799875 7.2962e-08 au
q 2.955491028981207 1.9171e-07 au
i 18.2336029370433 6.3015e-06 deg
node 145.983021417796 2.0184e-05 deg
peri 250.5457259448963 3.3113e-05 deg
M 219.9573190106665 2.8868e-05 deg
tp 2459888.328901917706
(2022-Nov-04.82890192)
0.00020061 TDB
period 2282.292815536132
6.25
7.3628e-05
2.016e-07
d
yr
n .1577361141170804 5.0887e-09 deg/d
Q 3.829437644618544 8.236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6941 days (19.00 yr)  
   first obs. used      2001-06-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:34  

Additional Information
 Earth MOID = 2.02012 au 
 Jupiter MOID = 1.811 au 
 T_jup = 3.055 
[ 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 15.4   n/a MPO437722  

442598 (2012 DO9)          Discovered 2011-Dec-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2012 DO9 = 2013 HO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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