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129346 (2222 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2129346
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889106629875359 5.8524e-08  
a 2.710574520961011 1.5518e-08 au
q 2.198518091129144 1.6385e-07 au
i 2.239572143529612 5.5907e-06 deg
node 274.5357564908539 0.00016827 deg
peri 117.2180162236447 0.00016901 deg
M 116.1522444416969 1.5546e-05 deg
tp 2458474.584997521530
(2018-Dec-22.08499752)
6.9261e-05 TDB
period 1630.010696756566
4.46
1.3998e-05
3.832e-08
d
yr
n .220857446344577 1.8966e-09 deg/d
Q 3.222630950792878 1.845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      21679 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:04:03  

Additional Information
 Earth MOID = 1.20549 au 
 Jupiter MOID = 2.22511 au 
 T_jup = 3.336 
[ 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 16.4   n/a MPO469348  

129346 (2222 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2222 P-L = 2000 QT110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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