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437811 (2015 DB42)
Classification: Main-belt Asteroid          SPK-ID: 2437811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2899227219222001 5.8198e-08  
a 2.992522228732231 2.6401e-08 au
q 2.124922038765494 1.6948e-07 au
i 10.78385245916917 1.1159e-05 deg
node 19.12777087853965 4.7508e-05 deg
peri 75.52070953499637 5.6189e-05 deg
M 46.79176928555397 2.4636e-05 deg
tp 2458754.734186975795
(2019-Sep-28.23418698)
0.0001283 TDB
period 1890.838795788574
5.18
2.5022e-05
6.851e-08
d
yr
n .1903916932537139 2.5195e-09 deg/d
Q 3.860122418698968 3.4055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5991 days (16.40 yr)  
   first obs. used      2003-10-27  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:34:09  

Additional Information
 Earth MOID = 1.17122 au 
 Jupiter MOID = 1.58224 au 
 T_jup = 3.165 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457442.5 (2016-Feb-24.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2902679582887543 5.8513e-08  
q 2.122994203059161 1.7072e-07 au
tp 2456865.858137076377
(2014-Jul-27.35813708)
0.00012237 TDB
node 19.1402630324127 4.7508e-05 deg
peri 75.70800438580342 5.615e-05 deg
i 10.78590596552953 1.116e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5991 days (16.40 yr)  
   first obs. used      2003-10-27  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:34:09  

Additional Information
 Jupiter MOID = 1.58224 au 
 T_jup = 3.165 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.423792260253127E-15 -9.935091988862977E-15 3.496566054347309E-12 3.733431463498031E-14 7.338572878588441E-13 -3.99567933442136E-14
q -9.935091988862977E-15 2.914472597942842E-14 -1.023204443982053E-11 -1.004611780687837E-13 -2.130693578613162E-12 1.143782969788559E-13
tp 3.496566054347309E-12 -1.023204443982053E-11 1.497361297508024E-8 1.489985560451546E-11 3.748913574550535E-9 -9.760642292092433E-11
node 3.733431463498031E-14 -1.004611780687837E-13 1.489985560451546E-11 2.25698610801618E-9 -2.214451163266517E-9 -3.633528298653696E-10
peri 7.338572878588441E-13 -2.130693578613162E-12 3.748913574550535E-9 -2.214451163266517E-9 3.152790909207947E-9 3.334493409601638E-10
i -3.99567933442136E-14 1.143782969788559E-13 -9.760642292092433E-11 -3.633528298653696E-10 3.334493409601638E-10 1.24555694747972E-10

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 16.9   n/a MPO336400  

437811 (2015 DB42)          Discovered 2003-Oct-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2015 DB42 = 2008 UL44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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