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27163 (1999 AA7)
Classification: Main-belt Asteroid          SPK-ID: 2027163
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213366451660143 4.3154e-08  
a 2.418160660521188 8.4908e-09 au
q 1.902206300841635 1.0672e-07 au
i 1.653844317277164 4.0557e-06 deg
node 225.6711575472808 0.00015302 deg
peri 148.5123535642909 0.00015327 deg
M 227.7065125084954 1.0925e-05 deg
tp 2459105.233486521198
(2020-Sep-12.73348652)
4.3443e-05 TDB
period 1373.492063691341
3.76
7.234e-06
1.981e-08
d
yr
n .2621056280678308 1.3805e-09 deg/d
Q 2.934115020200742 1.0302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      10398 days (28.47 yr)  
   first obs. used      1990-11-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53245  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:27:01  

Additional Information
 Earth MOID = .902482 au 
 Jupiter MOID = 2.52997 au 
 T_jup = 3.483 
[ 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 14.8   n/a MPO384980  
diameter diameter 2.757 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27163 (1999 AA7)          Discovered 1999-Jan-09 by Korlevic, K. at Visnjan
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AA7 = 1990 WF14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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