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91274 (1999 DM3)
Classification: Main-belt Asteroid          SPK-ID: 2091274
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160851148944758 3.1587e-08  
a 2.332838291454637 7.2277e-09 au
q 1.957598571971833 7.5067e-08 au
i 2.813607682235974 3.5083e-06 deg
node 159.0087592613382 6.88e-05 deg
peri 357.581289771497 6.9566e-05 deg
M 3.862387627149201 1.0994e-05 deg
tp 2458986.537000059406
(2020-May-17.03700006)
3.9723e-05 TDB
period 1301.443682990493
3.56
6.0483e-06
1.656e-08
d
yr
n .2766158879597327 1.2855e-09 deg/d
Q 2.708078010937442 8.3902e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1401  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1997-12-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51413  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:39:02  

Additional Information
 Earth MOID = .967132 au 
 Jupiter MOID = 2.27796 au 
 T_jup = 3.551 
[ 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 MPO417449  
diameter diameter 2.210 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.301   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91274 (1999 DM3)          Discovered 1999-Feb-18 by Korlevic, K., Juric, M. at Visnjan
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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