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173246 (1999 MP)
Classification: Main-belt Asteroid          SPK-ID: 2173246
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2823666964183351 3.8907e-08  
a 2.336508274578069 1.0562e-08 au
q 1.676756151931356 9.4523e-08 au
i 10.54620312596444 3.874e-06 deg
node 97.89372393643404 2.2313e-05 deg
peri 261.1734945721789 2.309e-05 deg
M 263.1333333033868 7.2695e-06 deg
tp 2459351.511436395367
(2021-May-17.01143640)
2.7508e-05 TDB
period 1304.51600547075
3.57
8.8458e-06
2.422e-08
d
yr
n .2759644178302663 1.8713e-09 deg/d
Q 2.996260397224783 1.3545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      7663 days (20.98 yr)  
   first obs. used      1999-06-21  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:26:44  

Additional Information
 Earth MOID = .712256 au 
 Jupiter MOID = 2.53483 au 
 T_jup = 3.491 
[ 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 15.8   n/a MPO469856  
diameter diameter 4.005 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173246 (1999 MP)          Discovered 1999-Jun-20 by Broughton, J. at Reedy Creek
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1999 MP = 2002 JJ123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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