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90170 (2003 AY12)
Classification: Main-belt Asteroid          SPK-ID: 2090170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306518518722123 3.5964e-08  
a 2.396958344952193 9.5113e-09 au
q 2.083791298323636 8.9207e-08 au
i 6.44267977073995 4.0934e-06 deg
node 209.7506962174825 2.7607e-05 deg
peri 204.559367096515 3.116e-05 deg
M 33.52778428501512 1.456e-05 deg
tp 2459270.261591727083
(2021-Feb-24.76159173)
5.4715e-05 TDB
period 1355.467650111361
3.71
8.0679e-06
2.209e-08
d
yr
n .2655909936105251 1.5808e-09 deg/d
Q 2.710125391580749 1.0754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:38:54  

Additional Information
 Earth MOID = 1.0961 au 
 Jupiter MOID = 2.63675 au 
 T_jup = 3.508 
[ 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 16.23   n/a MPCxxxxx  

90170 (2003 AY12)          Discovered 2003-Jan-01 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 AY12 = 2000 GK165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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