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120621 (1996 AS13)
Classification: Main-belt Asteroid          SPK-ID: 2120621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087652630700382 3.8625e-08  
a 3.108999897242307 2.0091e-08 au
q 2.459948715809795 1.2e-07 au
i 10.45863922867573 4.5355e-06 deg
node 116.4122447837309 2.3845e-05 deg
peri 289.0561251247517 2.6355e-05 deg
M 239.7028788445996 1.3558e-05 deg
tp 2459669.586430112536
(2022-Mar-31.08643011)
8.0463e-05 TDB
period 2002.301572365595
5.48
1.9409e-05
5.314e-08
d
yr
n .1797930965886833 1.7428e-09 deg/d
Q 3.758051078674819 2.4286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      8516 days (23.32 yr)  
   first obs. used      1996-01-15  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:58:06  

Additional Information
 Earth MOID = 1.49404 au 
 Jupiter MOID = 1.74658 au 
 T_jup = 3.160 
[ 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 15.2   n/a MPO436582  
diameter diameter 3.508 km 0.831 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120621 (1996 AS13)          Discovered 1996-Jan-15 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1996 AS13 = 2000 YE88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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