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192402 (1997 AW12)
Classification: Main-belt Asteroid          SPK-ID: 2192402
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384650334320573 6.0639e-08  
a 2.644782149208273 1.9617e-08 au
q 2.278572300497641 1.5507e-07 au
i 12.2672956064901 6.3402e-06 deg
node 313.3214865766932 2.2701e-05 deg
peri 197.0700624324327 3.0514e-05 deg
M 181.6274293131198 2.3475e-05 deg
tp 2459978.910803716892
(2023-Feb-03.41080372)
0.00010797 TDB
period 1571.025681016845
4.30
1.7479e-05
4.785e-08
d
yr
n .2291496595822612 2.5495e-09 deg/d
Q 3.010991997918905 2.2333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      8684 days (23.78 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:57  

Additional Information
 Earth MOID = 1.29303 au 
 Jupiter MOID = 2.02714 au 
 T_jup = 3.347 
[ 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 15.56   n/a E2021B55  
diameter diameter 2.221 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192402 (1997 AW12)          Discovered 1997-Jan-10 by Kobayashi, T. at Oizumi
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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