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100222 (1994 PU12)
Classification: Main-belt Asteroid          SPK-ID: 2100222
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788413439199304 4.525e-08  
a 2.567835785963617 1.5305e-08 au
q 2.108600583036194 1.1628e-07 au
i 3.094725988710981 5.6e-06 deg
node 190.9909844622847 0.00010613 deg
peri 172.2698488417028 0.00010773 deg
M 76.22797484654714 1.8337e-05 deg
tp 2458682.255300822280
(2019-Jul-17.75530082)
7.6617e-05 TDB
period 1502.966488806949
4.11
1.3437e-05
3.679e-08
d
yr
n .2395262986108009 2.1414e-09 deg/d
Q 3.027070988891041 1.8042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      9300 days (25.46 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:02:28  

Additional Information
 Earth MOID = 1.10631 au 
 Jupiter MOID = 2.43308 au 
 T_jup = 3.407 
[ 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 16.3   n/a MPO502721  

100222 (1994 PU12)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 PU12 = 1994 PT30 = 2002 NU33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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