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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09911915903191508 7.0921e-08  
a 3.016996911984808 3.0358e-08 au
q 2.717954715266989 2.1109e-07 au
i 11.32726881852176 5.8364e-06 deg
node 179.3628149686351 3.5863e-05 deg
peri 39.45799820367576 5.1159e-05 deg
M 51.41790315254919 3.2364e-05 deg
tp 2458927.116319187155
(2020-Mar-18.61631919)
0.00017289 TDB
period 1914.082820542731
5.24
2.889e-05
7.91e-08
d
yr
n .1880796359156096 2.8387e-09 deg/d
Q 3.316039108702627 3.3367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5960 days (16.32 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:28  

Additional Information
 Earth MOID = 1.72183 au 
 Jupiter MOID = 1.6693 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458152.5 (2018-Feb-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09859149224288412 7.0683e-08  
q 2.719125963257676 2.1042e-07 au
tp 2458924.324038429191
(2020-Mar-15.82403843)
0.00017476 TDB
node 179.4031995468561 3.5868e-05 deg
peri 38.77671328468158 5.1399e-05 deg
i 11.32659565690011 5.8389e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5960 days (16.32 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:28  

Additional Information
 Jupiter MOID = 1.6693 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.996138983971893E-15 -1.4748403445662E-14 4.326587637850378E-12 3.38297163845835E-14 8.416077568170941E-13 -2.232768900587105E-14
q -1.4748403445662E-14 4.4275107638801E-14 -1.402845243740798E-11 -9.90320907718987E-14 -2.819737153762147E-12 6.933834178097333E-14
tp 4.326587637850378E-12 -1.402845243740798E-11 3.053952266909282E-8 9.940855091326552E-11 6.501842585146754E-9 -2.687075679983123E-11
node 3.38297163845835E-14 -9.90320907718987E-14 9.940855091326552E-11 1.286490195121747E-9 -1.240150194199116E-9 1.121893890697479E-10
peri 8.416077568170941E-13 -2.819737153762147E-12 6.501842585146754E-9 -1.240150194199116E-9 2.641852713658673E-9 -1.158389112853654E-10
i -2.232768900587105E-14 6.933834178097333E-14 -2.687075679983123E-11 1.121893890697479E-10 -1.158389112853654E-10 3.409228461465878E-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 16.88   n/a E2021B25  

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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