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186767 (2004 DY8)
Classification: Main-belt Asteroid          SPK-ID: 2186767
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725387440821001 3.4713e-08  
a 2.350676169735858 1.0286e-08 au
q 1.945093455665912 8.3535e-08 au
i 1.723732146279598 4.6208e-06 deg
node 201.6982633977046 0.00013259 deg
peri 270.0187463770679 0.00013342 deg
M 323.9715273141691 1.6343e-05 deg
tp 2459528.244042375929
(2021-Nov-09.74404238)
6.0227e-05 TDB
period 1316.399273122294
3.60
8.6406e-06
2.366e-08
d
yr
n .2734732594816284 1.795e-09 deg/d
Q 2.756258883805804 1.2061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1997-05-05  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59982  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:37  

Additional Information
 Earth MOID = .962958 au 
 Jupiter MOID = 2.3552 au 
 T_jup = 3.537 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457593.5 (2016-Jul-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171854291093736 3.4623e-08  
q 1.947240419248258 8.3314e-08 au
tp 2458208.431277540657
(2018-Mar-30.93127754)
5.637e-05 TDB
node 201.8463155975391 0.00013249 deg
peri 269.2702090937952 0.00013333 deg
i 1.723720047698993 4.6236e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1997-05-05  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59982  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:37  

Additional Information
 Jupiter MOID = 2.3552 au 
 T_jup = 3.537 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.198762492674682E-15 -2.869595990827925E-15 -3.359146374901646E-13 9.429787420531602E-15 -8.25360522239967E-14 -1.004236884367718E-16
q -2.869595990827925E-15 6.941211913226151E-15 1.007852597055309E-12 -2.195771076615378E-14 2.403512277028027E-13 3.751098426019555E-16
tp -3.359146374901646E-13 1.007852597055309E-12 3.177609764596805E-9 -1.456089785847148E-11 8.545247852750258E-10 8.77406523289547E-13
node 9.429787420531602E-15 -2.195771076615378E-14 -1.456089785847148E-11 1.755321651370542E-8 -1.754862978066579E-8 2.341868251476446E-11
peri -8.25360522239967E-14 2.403512277028027E-13 8.545247852750258E-10 -1.754862978066579E-8 1.777777106718338E-8 -2.318973768086881E-11
i -1.004236884367718E-16 3.751098426019555E-16 8.77406523289547E-13 2.341868251476446E-11 -2.318973768086881E-11 2.137728035572575E-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 17.29   n/a E2021B55  

186767 (2004 DY8)          Discovered 2004-Feb-17 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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