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91273 (1999 DN)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091273
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 .1881642856336041 4.1652e-08  
a 3.923887923849602 5.34e-08 au
q 3.185552355752116 1.7881e-07 au
i 7.689685787467783 5.895e-06 deg
node 311.5113444368208 4.1547e-05 deg
peri 121.3328836873953 4.5714e-05 deg
M 324.9595068669105 2.098e-05 deg
tp 2459276.838265347893
(2021-Mar-03.33826535)
0.00016925 TDB
period 2839.051812067641
7.77
5.7954e-05
1.587e-07
d
yr
n .1268028989361125 2.5885e-09 deg/d
Q 4.662223491947088 6.3448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      10753 days (29.44 yr)  
   first obs. used      1991-02-22  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53643  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:59  

Additional Information
 Earth MOID = 2.2098 au 
 Jupiter MOID = .737484 au 
 T_jup = 3.016 
[ 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 13.3   n/a MPO453352  

91273 (1999 DN)          Discovered 1999-Feb-16 by ODAS at Caussols
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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