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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 155 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6109292246893975 4.1062e-08  
a 2.86478560809092 4.9735e-08 au
q 1.11460435763859 1.0292e-07 au
i 11.20809827398829 7.9238e-06 deg
node 157.0075531012246 1.8399e-05 deg
peri 52.74301260238284 2.5983e-05 deg
M 81.86755760774938 3.0987e-05 deg
tp 2458797.740354872985
(2019-Nov-10.24035487)
0.00014201 TDB
period 1771.07362772968
4.85
4.6121e-05
1.263e-07
d
yr
n .2032665352605809 5.2933e-09 deg/d
Q 4.614966858543249 8.012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      5783 days (15.83 yr)  
   first obs. used      2004-12-20  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:53:49  

Additional Information
 Earth MOID = .179853 au 
 Jupiter MOID = .682304 au 
 T_jup = 2.969 
[ 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 16.48   n/a E2021B55  
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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