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21106 (1992 PO2)
Classification: Main-belt Asteroid          SPK-ID: 2021106
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425415086572057 5.1658e-08  
a 2.293684306640537 5.5968e-09 au
q 1.966739085188638 1.1774e-07 au
i 6.11170517061482 5.0803e-06 deg
node 208.7418203658432 2.6846e-05 deg
peri 149.4204418467502 2.8926e-05 deg
M 90.30374425672204 1.0245e-05 deg
tp 2459078.225277146137
(2020-Aug-16.72527715)
3.6039e-05 TDB
period 1268.816715967583
3.47
4.644e-06
1.271e-08
d
yr
n .2837289227589256 1.0385e-09 deg/d
Q 2.620629528092436 6.3946e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2101  
   data-arc span      10480 days (28.69 yr)  
   first obs. used      1992-08-02  
   last obs. used      2021-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:30:34  

Additional Information
 Earth MOID = .965463 au 
 Jupiter MOID = 2.84311 au 
 T_jup = 3.575 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457235.5 (2015-Aug-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430769698708908 5.1642e-08  
q 1.96531686908465 1.1776e-07 au
tp 2457810.440432469247
(2017-Feb-25.94043247)
3.601e-05 TDB
node 208.7943817913767 2.6828e-05 deg
peri 149.5756510845773 2.8889e-05 deg
i 6.113885280974638 5.0823e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2101  
   data-arc span      10480 days (28.69 yr)  
   first obs. used      1992-08-02  
   last obs. used      2021-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:30:34  

Additional Information
 Jupiter MOID = 2.84311 au 
 T_jup = 3.575 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.666851238976838E-15 -6.076438264665072E-15 7.661224681825184E-13 -1.670461267092707E-14 2.060290163920448E-13 -2.25589886677124E-15
q -6.076438264665072E-15 1.386783468297641E-14 -1.776300509443834E-12 3.762292778497807E-14 -4.807246275306523E-13 5.259828771913196E-15
tp 7.661224681825184E-13 -1.776300509443834E-12 1.296748323698464E-9 -6.243669958077071E-12 3.911540912225278E-10 -1.717969188117592E-12
node -1.670461267092707E-14 3.762292778497807E-14 -6.243669958077071E-12 7.197568124792603E-10 -7.166297166694304E-10 -4.667453363237799E-11
peri 2.060290163920448E-13 -4.807246275306523E-13 3.911540912225278E-10 -7.166297166694304E-10 8.345967450511204E-10 4.59242778837137E-11
i -2.25589886677124E-15 5.259828771913196E-15 -1.717969188117592E-12 -4.667453363237799E-11 4.59242778837137E-11 2.582997139638268E-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 14.41   n/a E2021B10  

21106 (1992 PO2)          Discovered 1992-Aug-02 by Holt, H. E. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 PO2 = 1998 FU65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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