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100227 (1994 PR16)
Classification: Main-belt Asteroid          SPK-ID: 2100227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0621033259640419 4.0194e-08  
a 2.592797246188734 1.3086e-08 au
q 2.431775913650005 1.0765e-07 au
i 1.97787004808699 3.6673e-06 deg
node 248.9057911872682 0.00013448 deg
peri 141.1434473998719 0.00013953 deg
M 62.87372195369818 3.6488e-05 deg
tp 2458934.171323186412
(2020-Mar-25.67132319)
0.00015419 TDB
period 1524.934752924267
4.18
1.1545e-05
3.161e-08
d
yr
n .2360756742605884 1.7873e-09 deg/d
Q 2.753818578727463 1.3899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      9658 days (26.44 yr)  
   first obs. used      1994-08-10  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53707  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:44  

Additional Information
 Earth MOID = 1.43585 au 
 Jupiter MOID = 2.51266 au 
 T_jup = 3.415 
[ 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 15.8   n/a MPO532304  

100227 (1994 PR16)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1994 PR16 = 2002 NX4 = 2003 WE132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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