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392100 (2009 DW131)
Classification: Main-belt Asteroid          SPK-ID: 2392100
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0986915980601141 7.5205e-08  
a 3.015177054137557 3.0855e-08 au
q 2.717604412230534 2.2269e-07 au
i 11.32769491130408 6.1512e-06 deg
node 179.3871324174454 3.7674e-05 deg
peri 39.21877583997775 5.2799e-05 deg
M 13.99694189972491 3.2761e-05 deg
tp 2458926.147030994805
(2020-Mar-17.64703099)		 0.00017427 TDB
period 1912.351214546095
5.24		 2.9354e-05
8.037e-08		 d
yr
n .1882499392693656 2.8896e-09 deg/d
Q 3.312749696044579 3.39e-08 au
   Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      5960 days (16.32 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:27:50  

Additional Information
 Earth MOID = 1.72238 au 
 Jupiter MOID = 1.6731 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458142.5 (2018-Jan-24.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09858974383337427 7.5118e-08  
q 2.719144555902184 2.2241e-07 au
tp 2458924.305249187184
(2020-Mar-15.80524919)		 0.00017506 TDB
node 179.4035097347121 3.7672e-05 deg
peri 38.77241774788425 5.2874e-05 deg
i 11.32662217451221 6.1519e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      5960 days (16.32 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:27:50  

Additional Information
 Jupiter MOID = 1.6731 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.642731274169891E-15 -1.658047039159793E-14 4.081988500258809E-12 2.610269577814437E-14 7.654938223881409E-13 -2.642542861298721E-14
q -1.658047039159793E-14 4.946616684128702E-14 -1.333588645344178E-11 -7.355903390405837E-14 -2.607682095926632E-12 8.154741061891107E-14
tp 4.081988500258809E-12 -1.333588645344178E-11 3.064567686060491E-8 6.53901464160075E-11 6.569794770443149E-9 -3.151939948482216E-11
node 2.610269577814437E-14 -7.355903390405837E-14 6.53901464160075E-11 1.419208158134646E-9 -1.377817403217053E-9 1.344742973732185E-10
peri 7.654938223881409E-13 -2.607682095926632E-12 6.569794770443149E-9 -1.377817403217053E-9 2.79568827685421E-9 -1.385912370363673E-10
i -2.642542861298721E-14 8.154741061891107E-14 -3.151939948482216E-11 1.344742973732185E-10 -1.385912370363673E-10 3.784601649486619E-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 16.6   n/a MPO434451  

392100 (2009 DW131)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 DW131 = 2004 FV9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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