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392085 (2009 DW64)
Classification: Main-belt Asteroid          SPK-ID: 2392085
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022937524481531 4.9503e-08  
a 2.945127309492764 4.5555e-08 au
q 2.643859185567216 1.5344e-07 au
i 12.0942624704674 7.8901e-06 deg
node 178.6681579662967 2.8368e-05 deg
peri 298.5043900614046 6.2115e-05 deg
M 174.2095577979634 4.8162e-05 deg
tp 2458307.145120749170
(2018-Jul-07.64512075)
0.00025397 TDB
period 1846.097083279885
5.05
4.2833e-05
1.173e-07
d
yr
n .1950059957629112 4.5245e-09 deg/d
Q 3.246395433418312 5.0215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      3737 days (10.23 yr)  
   first obs. used      2009-01-30  
   last obs. used      2019-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55067  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:26  

Additional Information
 Earth MOID = 1.68378 au 
 Jupiter MOID = 1.87001 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457490.5 (2016-Apr-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044817498574827 4.9551e-08  
q 2.633599983407119 1.5404e-07 au
tp 2458304.455862299572
(2018-Jul-04.95586230)
0.00024596 TDB
node 178.8032896629086 2.8385e-05 deg
peri 297.5517608579036 6.069e-05 deg
i 12.09480327642198 7.8935e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      3737 days (10.23 yr)  
   first obs. used      2009-01-30  
   last obs. used      2019-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55067  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:26  

Additional Information
 Jupiter MOID = 1.87001 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.455298111021022E-15 -7.348506971512117E-15 8.745728791587571E-13 1.128572529952437E-14 1.606731062184313E-13 -3.69143891971898E-15
q -7.348506971512117E-15 2.372846179872898E-14 -6.547435184198199E-12 -3.471381210174874E-14 -1.477827862758217E-12 1.115607605798072E-14
tp 8.745728791587571E-13 -6.547435184198199E-12 6.049502712185602E-8 -8.105705287552991E-12 1.31971021662982E-8 4.779551126653249E-11
node 1.128572529952437E-14 -3.471381210174874E-14 -8.105705287552991E-12 8.056906582973958E-10 -7.886755285157811E-10 4.694488959500481E-11
peri 1.606731062184313E-13 -1.477827862758217E-12 1.31971021662982E-8 -7.886755285157811E-10 3.683292487429541E-9 -3.580302052468584E-11
i -3.69143891971898E-15 1.115607605798072E-14 4.779551126653249E-11 4.694488959500481E-11 -3.580302052468584E-11 6.230715202906897E-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 16.62   n/a MPCxxxxx  

392085 (2009 DW64)          Discovered 2009-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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