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246820 (2009 MP)
Classification: Main-belt Asteroid          SPK-ID: 2246820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08471196912967394 7.6163e-08  
a 2.97372267245761 4.3261e-08 au
q 2.721812769228169 2.3403e-07 au
i 14.41968859859536 8.2984e-06 deg
node 263.137848749967 2.6073e-05 deg
peri 354.9169206811053 5.4258e-05 deg
M 62.61071616690266 4.303e-05 deg
tp 2458674.741847248301
(2019-Jul-10.24184725)
0.00022698 TDB
period 1873.048931080661
5.13
4.0873e-05
1.119e-07
d
yr
n .1921999975688286 4.1941e-09 deg/d
Q 3.22563257568705 4.6925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6009 days (16.45 yr)  
   first obs. used      2003-03-08  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59519  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:16:54  

Additional Information
 Earth MOID = 1.70676 au 
 Jupiter MOID = 1.85972 au 
 T_jup = 3.209 
[ 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 15.1   n/a MPO260434  
diameter diameter 5.897 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

246820 (2009 MP)          Discovered 2009-Jun-17 by Lowe, A. at Mayhill
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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