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100226 (1994 PJ16)
Classification: Main-belt Asteroid          SPK-ID: 2100226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2040824890187841 5.3237e-08  
a 2.758722831144282 1.4689e-08 au
q 2.19571580925141 1.5005e-07 au
i 2.853387369299639 5.6137e-06 deg
node 323.8445498938421 8.31e-05 deg
peri 45.19799808661914 8.3716e-05 deg
M 243.8212159325527 1.0307e-05 deg
tp 2459740.613281223341
(2022-Jun-10.11328122)
5.0232e-05 TDB
period 1673.634156194308
4.58
1.3367e-05
3.66e-08
d
yr
n .215100772571831 1.718e-09 deg/d
Q 3.321729853037153 1.7687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      9437 days (25.84 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:12  

Additional Information
 Earth MOID = 1.19457 au 
 Jupiter MOID = 2.15472 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457603.5 (2016-Aug-03.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032496322244443 5.3148e-08  
q 2.198703380787203 1.4966e-07 au
tp 2458067.475786316127
(2017-Nov-09.97578632)
4.4505e-05 TDB
node 323.8568550575141 8.3108e-05 deg
peri 45.40717283841287 8.3735e-05 deg
i 2.85268438907857 5.6123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      9437 days (25.84 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:12  

Additional Information
 Jupiter MOID = 2.15472 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.824758839090292E-15 -7.930862899532736E-15 -1.027833883463558E-12 2.486682459515897E-14 -2.564106272638715E-13 -9.374927853534559E-16
q -7.930862899532736E-15 2.239701833949482E-14 3.00635634515724E-12 -7.228094587022845E-14 7.371309156650592E-13 2.787276967922896E-15
tp -1.027833883463558E-12 3.00635634515724E-12 1.980665604966848E-9 -1.551880637341953E-11 4.705110094196962E-10 5.034409687990573E-13
node 2.486682459515897E-14 -7.228094587022845E-14 -1.551880637341953E-11 6.906988138448329E-9 -6.901514022423145E-9 1.967461566235673E-10
peri -2.564106272638715E-13 7.371309156650592E-13 4.705110094196962E-10 -6.901514022423145E-9 7.011499587612842E-9 -1.964096333950511E-10
i -9.374927853534559E-16 2.787276967922896E-15 5.034409687990573E-13 1.967461566235673E-10 -1.964096333950511E-10 3.149773174689667E-11

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 15.67   n/a E2021B55  
diameter diameter 4.056 km 1.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100226 (1994 PJ16)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1994 PJ16 = 1999 VQ113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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