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307070 (2002 AV31)
Classification: Apollo [NEO]          SPK-ID: 2307070
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 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2492656383575686 2.9509e-08  
a 1.309659730987358 1.8538e-09 au
q .9832065621115923 3.8793e-08 au
i 14.97679426138039 1.0058e-05 deg
node 119.2893420177229 7.1255e-06 deg
peri 267.4262680490279 2.1004e-05 deg
M 154.5536199241293 1.7505e-05 deg
tp 2458765.475672409853
(2019-Oct-08.97567241)
2.6644e-05 TDB
period 547.4395098218187
1.50
1.1624e-06
3.182e-09
d
yr
n .6576069018423119 1.3963e-09 deg/d
Q 1.636112899863123 2.3159e-09 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6607 days (18.09 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-02-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59059  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-20 04:54:31  

Additional Information
 Earth MOID = .143391 au 
 Jupiter MOID = 3.85649 au 
 T_jup = 4.912 
[ 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 20.6   n/a MPO494629  
diameter diameter 0.282 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.117   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

307070 (2002 AV31)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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