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70023 (1999 AT13)
Classification: Outer Main-belt Asteroid          SPK-ID: 2070023
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07887700355046659 6.9893e-08  
a 3.224638448081595 3.7408e-08 au
q 2.970288629763292 2.3983e-07 au
i 11.28520067950325 6.0208e-06 deg
node 114.8214062800668 3.8754e-05 deg
peri 273.46433174894 5.621e-05 deg
M 327.1828096570616 4.2336e-05 deg
tp 2459193.305253793834
(2020-Dec-09.80525379)		 0.0002497 TDB
period 2115.046737409559
5.79		 3.6804e-05
1.008e-07		 d
yr
n .1702090046676303 2.9618e-09 deg/d
Q 3.478988266399898 4.0358e-08 au
   Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      7585 days (20.77 yr)  
   first obs. used      1998-12-24  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:02:19  

Additional Information
 Earth MOID = 2.00365 au 
 Jupiter MOID = 1.92091 au 
 T_jup = 3.153 
[ 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 14.4   n/a MPO493357  
diameter diameter 8.936 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70023 (1999 AT13)          Discovered 1999-Jan-08 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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