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12026 (1997 AV1)
Classification: Main-belt Asteroid          SPK-ID: 2012026
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188823469546688 2.5721e-08  
a 2.439888273535278 8.5752e-09 au
q 2.149828629270229 6.3176e-08 au
i 6.961576349188971 5.197e-06 deg
node 316.6683478591581 2.2707e-05 deg
peri 70.59804720651911 3.3173e-05 deg
M 123.9992240663938 2.3889e-05 deg
tp 2458521.020765541486
(2019-Feb-06.52076554)
9.1525e-05 TDB
period 1392.045197900931
3.81
7.3387e-06
2.009e-08
d
yr
n .2586122925770262 1.3634e-09 deg/d
Q 2.729947917800327 9.5946e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1709  
   data-arc span      11493 days (31.47 yr)  
   first obs. used      1988-11-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:39:41  

Additional Information
 Earth MOID = 1.16538 au 
 Jupiter MOID = 2.71993 au 
 T_jup = 3.482 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO502260  
diameter diameter 4.996 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12026 (1997 AV1)          Discovered 1997-Jan-03 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AV1 = 1994 JQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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