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332891 (2011 AU77)
Classification: Main-belt Asteroid          SPK-ID: 2332891
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611040651376542 6.9482e-08  
a 2.587389016019799 2.0471e-08 au
q 2.170550127446495 1.8611e-07 au
i 6.061281548353723 7.0511e-06 deg
node 106.1467376695849 5.9009e-05 deg
peri 357.0885687543347 6.2248e-05 deg
M 105.6279253312574 2.0889e-05 deg
tp 2458554.466712762670
(2019-Mar-11.96671276)
8.5691e-05 TDB
period 1520.16602524259
4.16
1.8041e-05
4.939e-08
d
yr
n .2368162385043112 2.8105e-09 deg/d
Q 3.004227904593104 2.3769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:31:38  

Additional Information
 Earth MOID = 1.18745 au 
 Jupiter MOID = 2.13759 au 
 T_jup = 3.395 
[ 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 17.1   n/a MPO418709  

332891 (2011 AU77)          Discovered 1999-Mar-20 by Sloan Digital Sky Survey at Apache Point
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

Alternate Designations
 2011 AU77 = 1999 FP81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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