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JPL Small-Body Database Browser
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214981 (2008 AP72)
Classification: Main-belt Asteroid          SPK-ID: 2214981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08252694545205147 5.333e-08  
a 3.103670243049253 3.685e-08 au
q 2.847533818199973 1.6539e-07 au
i 17.7303863060482 6.3569e-06 deg
node 110.0982809133482 1.7504e-05 deg
peri 185.2189081707776 4.0053e-05 deg
M 215.0451966067341 3.6766e-05 deg
tp 2459404.658942651452
(2021-Jul-09.15894265)
0.00020954 TDB
period 1997.155061975488
5.47
3.5568e-05
9.738e-08
d
yr
n .1802564091562854 3.2103e-09 deg/d
Q 3.359806667898534 3.9891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1993-06-13  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:10:23  

Additional Information
 Earth MOID = 1.83107 au 
 Jupiter MOID = 1.84475 au 
 T_jup = 3.143 
[ 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 14.9   n/a MPO437028  
diameter diameter 5.367 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214981 (2008 AP72)          Discovered 2008-Jan-14 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2008 AP72 = 1993 LU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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