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90214 (2003 AP81)
Classification: Main-belt Asteroid          SPK-ID: 2090214
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619176216563671 4.8896e-08  
a 3.143868269118672 2.4958e-08 au
q 2.634820596182057 1.6236e-07 au
i 16.30546650376998 5.1207e-06 deg
node 56.5656907784166 1.5775e-05 deg
peri 128.7170613664616 2.4391e-05 deg
M 61.15423033482949 1.5355e-05 deg
tp 2459050.625183766096
(2020-Jul-20.12518377)
8.6542e-05 TDB
period 2036.080466755379
5.57
2.4246e-05
6.638e-08
d
yr
n .1768103009080395 2.1055e-09 deg/d
Q 3.652915942055287 2.9e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1998-04-02  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57066  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:39:06  

Additional Information
 Earth MOID = 1.66743 au 
 Jupiter MOID = 1.44328 au 
 T_jup = 3.127 
[ show covariance matrix ]

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 15.05   n/a E2021B10  
diameter diameter 5.365 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90214 (2003 AP81)          Discovered 2003-Jan-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 AP81 = 1998 GD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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