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344057 (1993 QP8)
Classification: Main-belt Asteroid          SPK-ID: 2344057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2332146774293914 4.6703e-08  
a 2.784688306146113 2.0865e-08 au
q 2.135258121086849 1.2985e-07 au
i 7.902018126252163 6.4594e-06 deg
node 355.5502026721258 4.6338e-05 deg
peri 26.66705050554956 4.9234e-05 deg
M 248.0104693078348 1.8624e-05 deg
tp 2459528.505245876797
(2021-Nov-10.00524588)
9.1614e-05 TDB
period 1697.318377359224
4.65
1.9077e-05
5.223e-08
d
yr
n .2120992766013096 2.3838e-09 deg/d
Q 3.434118491205378 2.5731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      9361 days (25.63 yr)  
   first obs. used      1993-08-20  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:21:53  

Additional Information
 Earth MOID = 1.14119 au 
 Jupiter MOID = 2.05635 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457187.5 (2015-Jun-14.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2338623499383099 4.6429e-08  
q 2.132303860790159 1.2861e-07 au
tp 2457833.593435808242
(2017-Mar-21.09343581)
8.0419e-05 TDB
node 355.5848499261141 4.6331e-05 deg
peri 26.98768610010525 4.9218e-05 deg
i 7.904545934432038 6.4598e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      9361 days (25.63 yr)  
   first obs. used      1993-08-20  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:21:53  

Additional Information
 Jupiter MOID = 2.05635 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.155646662573062E-15 -5.92528701943579E-15 -6.675075414355562E-13 -3.419996144458083E-15 -2.009867807321296E-13 5.340798548972206E-18
q -5.92528701943579E-15 1.654063584955958E-14 2.473546106086632E-12 1.070890041865027E-14 6.615227290803144E-13 -4.979220545916662E-17
tp -6.675075414355562E-13 2.473546106086632E-12 6.467292605613675E-9 2.065744022798262E-11 1.37790339670788E-9 -7.990204482198997E-12
node -3.419996144458083E-15 1.070890041865027E-14 2.065744022798262E-11 2.146604624566108E-9 -2.121220045771237E-9 -1.026389015719958E-10
peri -2.009867807321296E-13 6.615227290803144E-13 1.37790339670788E-9 -2.121220045771237E-9 2.422441953552517E-9 9.993197838529996E-11
i 5.340798548972206E-18 -4.979220545916662E-17 -7.990204482198997E-12 -1.026389015719958E-10 9.993197838529996E-11 4.17294388637719E-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 16.2   n/a MPO437457  

344057 (1993 QP8)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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