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JPL Small-Body Database Browser
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230979 (2005 AT42)
Classification: Amor [NEO]          SPK-ID: 2230979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 141 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6107518179165454 4.4347e-08  
a 2.866361600554338 5.9319e-08 au
q 1.115726042209597 1.0906e-07 au
i 11.20195237272179 8.4875e-06 deg
node 157.0160794995613 2.3934e-05 deg
peri 52.784884108848 3.0885e-05 deg
M 319.9422206684432 3.2952e-05 deg
tp 2458797.732855140162
(2019-Nov-10.23285514)
0.00016834 TDB
period 1772.535298643546
4.85
5.5023e-05
1.506e-07
d
yr
n .2030989172827725 6.3046e-09 deg/d
Q 4.616997158899079 9.5548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      5106 days (13.98 yr)  
   first obs. used      2004-12-20  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43623  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-21 07:54:05  

Additional Information
 Earth MOID = .181499 au 
 Jupiter MOID = .682689 au 
 T_jup = 2.968 
[ 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 16.5   n/a MPO260408  
diameter diameter 1.522 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.207   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

230979 (2005 AT42)          Discovered 2005-Jan-15 by LONEOS at Anderson Mesa
Reference: 20100130/Numbers.arcLast Updated: 2010-02-01

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