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146791 (2001 YA22)
Classification: Main-belt Asteroid          SPK-ID: 2146791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06382870762686225 5.3897e-08  
a 2.774097558564189 1.7675e-08 au
q 2.597030496570203 1.4873e-07 au
i 7.432080164266798 3.9946e-06 deg
node 70.06017136373677 4.1527e-05 deg
peri 261.2943762951253 5.3768e-05 deg
M 87.30908187651993 3.35e-05 deg
tp 2458591.203583214951
(2019-Apr-17.70358321)
0.00015701 TDB
period 1687.644708611279
4.62
1.6129e-05
4.416e-08
d
yr
n .2133150408750638 2.0387e-09 deg/d
Q 2.951164620558175 1.8804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      8511 days (23.30 yr)  
   first obs. used      1996-10-08  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:30  

Additional Information
 Earth MOID = 1.5991 au 
 Jupiter MOID = 2.26873 au 
 T_jup = 3.321 
[ 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 15.9   n/a MPO502888  

146791 (2001 YA22)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 YA22 = 1996 TP46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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