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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2822806204595897 4.3875e-08  
a 2.33636184824819 1.1065e-08 au
q 1.676852176106577 1.0475e-07 au
i 10.54627518756596 4.8042e-06 deg
node 97.89293839658605 2.6241e-05 deg
peri 261.2253473443325 2.749e-05 deg
M 152.6547338993223 7.6089e-06 deg
tp 2458047.383821924975
(2017-Oct-20.88382193)
2.7039e-05 TDB
period 1304.393378578959
3.57
9.2665e-06
2.537e-08
d
yr
n .2759903614293057 1.9607e-09 deg/d
Q 2.995871520389803 1.4189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      7231 days (19.80 yr)  
   first obs. used      1999-06-21  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:22:39  

Additional Information
 Earth MOID = .711577 au 
 Jupiter MOID = 2.53177 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 15.9   n/a MPO436860  
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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