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19221 (1993 PD3)
Classification: Main-belt Asteroid          SPK-ID: 2019221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01832411004816584 4.113e-08  
a 2.151473941799734 6.4764e-09 au
q 2.112050096524435 8.8187e-08 au
i 3.1095672652927 3.9955e-06 deg
node 265.9346596941176 6.9859e-05 deg
peri 228.8895702104408 0.00011712 deg
M 125.0672611772122 9.492e-05 deg
tp 2458996.054238663694
(2020-May-26.55423866)
0.00030382 TDB
period 1152.663556586596
3.16
5.2046e-06
1.425e-08
d
yr
n .312320102377553 1.4102e-09 deg/d
Q 2.190897787075034 6.5951e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      11237 days (30.77 yr)  
   first obs. used      1990-09-15  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:46:40  

Additional Information
 Earth MOID = 1.12767 au 
 Jupiter MOID = 2.78978 au 
 T_jup = 3.702 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456527.5 (2013-Aug-23.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01863342744267472 4.0989e-08  
q 2.112083412225527 8.8037e-08 au
tp 2456693.650422339302
(2014-Feb-05.15042234)
0.00030022 TDB
node 265.9991543658127 6.9868e-05 deg
peri 229.9205640290786 0.00011626 deg
i 3.108651826812137 3.995e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      11237 days (30.77 yr)  
   first obs. used      1990-09-15  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:46:40  

Additional Information
 Jupiter MOID = 2.78978 au 
 T_jup = 3.702 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.680132287068852E-15 -3.59910964202025E-15 -2.038823618127071E-12 -5.173540561587708E-15 -6.111607096048072E-13 1.111645097141077E-15
q -3.59910964202025E-15 7.750519297369213E-15 4.413694996336887E-12 1.052678533521203E-14 1.321475721357461E-12 -2.29787524446385E-15
tp -2.038823618127071E-12 4.413694996336887E-12 9.013444840232345E-8 -1.758294323452261E-11 2.791097153364131E-8 -1.325688355487997E-12
node -5.173540561587708E-15 1.052678533521203E-14 -1.758294323452261E-11 4.881539704424268E-9 -4.879343112989352E-9 8.951126948359933E-11
peri -6.111607096048072E-13 1.321475721357461E-12 2.791097153364131E-8 -4.879343112989352E-9 1.351672930230303E-8 -8.978565226680578E-11
i 1.111645097141077E-15 -2.29787524446385E-15 -1.325688355487997E-12 8.951126948359933E-11 -8.978565226680578E-11 1.5960146045027E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.88   n/a E2021B10  

19221 (1993 PD3)          Discovered 1993-Aug-14 by Elst, E. W. at Caussols
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 PD3 = 1990 RO12 = 1998 AW7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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