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215378 (2002 AS115)
Classification: Main-belt Asteroid          SPK-ID: 2215378
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.


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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 .07583358765860404 5.3771e-08  
a 3.167941510463986 3.769e-08 au
q 2.927705140232885 1.712e-07 au
i 9.35113831956467 5.9023e-06 deg
node 105.0888994570608 3.6476e-05 deg
peri 329.9911010270263 5.3424e-05 deg
M 138.0526697799602 3.8142e-05 deg
tp 2458210.719388629162
(2018-Apr-02.21938863)
0.0002181 TDB
period 2059.511203562208
5.64
3.6754e-05
1.006e-07
d
yr
n .1747987577719075 3.1195e-09 deg/d
Q 3.408177880695087 4.0548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62048  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:17:38  

Additional Information
 Earth MOID = 1.9476 au 
 Jupiter MOID = 1.79739 au 
 T_jup = 3.178 
[ 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 15.4   n/a MPO385935  
diameter diameter 5.479 km 1.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215378 (2002 AS115)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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