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49471 (1999 AX27)
Classification: Main-belt Asteroid          SPK-ID: 2049471
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07713525814639305 7.7868e-08  
a 2.94851079878658 2.2908e-08 au
q 2.72107665717475 2.3379e-07 au
i 12.86335724699828 6.4137e-06 deg
node 131.4935600886675 2.732e-05 deg
peri 242.5803606122008 4.6417e-05 deg
M 107.6147759350162 3.7593e-05 deg
tp 2458047.695059254771
(2017-Oct-21.19505925)
0.00019326 TDB
period 1849.279310756134
5.06
2.1551e-05
5.9e-08
d
yr
n .1946704307489402 2.2687e-09 deg/d
Q 3.175944940398411 2.4675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      9175 days (25.12 yr)  
   first obs. used      1994-01-18  
   last obs. used      2019-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57041  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:50:42  

Additional Information
 Earth MOID = 1.74489 au 
 Jupiter MOID = 2.24366 au 
 T_jup = 3.228 
[ 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 14.4   n/a MPO287116  
diameter diameter 6.468 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49471 (1999 AX27)          Discovered 1999-Jan-11 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AX27 = 2000 GO135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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