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216466 (1996 AP8)
Classification: Main-belt Asteroid          SPK-ID: 2216466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02302370442494963 8.2803e-08  
a 3.058867179706839 3.2212e-08 au
q 2.98844072588609 2.6428e-07 au
i 8.459103795619489 5.1237e-06 deg
node 284.3283952890952 4.7565e-05 deg
peri 19.7636399699425 0.00020883 deg
M 86.91132197006941 0.00019804 deg
tp 2458924.748584966148
(2020-Mar-16.24858497)
0.0010802 TDB
period 1954.066576857193
5.35
3.0867e-05
8.451e-08
d
yr
n .1842311844763258 2.9102e-09 deg/d
Q 3.129293633527589 3.2954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      9978 days (27.32 yr)  
   first obs. used      1993-08-13  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:55  

Additional Information
 Earth MOID = 1.97342 au 
 Jupiter MOID = 1.99307 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457698.5 (2016-Nov-06.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02549280782443407 8.5654e-08  
q 2.982231237195121 2.7717e-07 au
tp 2457007.804962743786
(2014-Dec-16.30496274)
0.00094839 TDB
node 284.4106203991253 4.7661e-05 deg
peri 27.06803207075504 0.00018177 deg
i 8.448511649691943 5.109e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      9978 days (27.32 yr)  
   first obs. used      1993-08-13  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:55  

Additional Information
 Jupiter MOID = 1.99307 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.336561969840499E-15 -2.360070156867971E-14 3.371047130992516E-11 4.438822851511949E-14 5.836522373978427E-12 -2.016403947977112E-14
q -2.360070156867971E-14 7.682200303541469E-14 -1.261449014993827E-10 -1.381358439320547E-13 -2.20621638039832E-11 6.959114305932446E-14
tp 3.371047130992516E-11 -1.261449014993827E-10 8.994420702470807E-7 1.27327339416645E-10 1.663769990466147E-7 -2.303658338473939E-10
node 4.438822851511949E-14 -1.381358439320547E-13 1.27327339416645E-10 2.271577624817343E-9 -2.225423670934621E-9 1.2224844839567E-10
peri 5.836522373978427E-12 -2.20621638039832E-11 1.663769990466147E-7 -2.225423670934621E-9 3.303970852375256E-8 -1.628113090490526E-10
i -2.016403947977112E-14 6.959114305932446E-14 -2.303658338473939E-10 1.2224844839567E-10 -1.628113090490526E-10 2.610195799881463E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.38   n/a E2021B55  
diameter diameter 3.806 km 1.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.134   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216466 (1996 AP8)          Discovered 1996-Jan-13 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 1996 AP8 = 2004 RR93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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