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379071 (2008 WK107)
Classification: Main-belt Asteroid          SPK-ID: 2379071
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06602058638296718 7.988e-08  
a 2.862386411076134 4.6449e-08 au
q 2.673409981762251 2.4652e-07 au
i 1.365375278197198 9.8123e-06 deg
node 205.6924830264742 0.00032939 deg
peri 203.7266812543416 0.00034004 deg
M 138.9344498068385 8.8611e-05 deg
tp 2458317.849733906044
(2018-Jul-18.34973391)
0.00042498 TDB
period 1768.849238871265
4.84
4.3055e-05
1.179e-07
d
yr
n .2035221499316259 4.9539e-09 deg/d
Q 3.051362840390018 4.9515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7861 days (21.52 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:27:43  

Additional Information
 Earth MOID = 1.6835 au 
 Jupiter MOID = 2.20117 au 
 T_jup = 3.298 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457307.5 (2015-Oct-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06575675914689752 7.9051e-08  
q 2.674518323305163 2.4339e-07 au
tp 2456553.573790814318
(2013-Sep-18.07379081)
0.0004048 TDB
node 205.7098143568514 0.00032949 deg
peri 204.799084833517 0.00034035 deg
i 1.364885328082734 9.812e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7861 days (21.52 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:27:43  

Additional Information
 Jupiter MOID = 2.20117 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.249021386485246E-15 -1.896934182709478E-14 -1.274254891497874E-11 2.012126939778973E-14 -2.793582344925056E-12 -1.161878771168384E-15
q -1.896934182709478E-14 5.923667057562549E-14 4.579679157655962E-11 -5.01195440555529E-14 1.006194510729752E-11 4.328622048467736E-15
tp -1.274254891497874E-11 4.579679157655962E-11 1.638632972033109E-7 8.887848974659906E-11 3.457618216247057E-8 5.178714177999847E-12
node 2.012126939778973E-14 -5.01195440555529E-14 8.887848974659906E-11 1.085642297108066E-7 -1.085132686933442E-7 -7.476325087239424E-10
peri -2.793582344925056E-12 1.006194510729752E-11 3.457618216247057E-8 -1.085132686933442E-7 1.158404737009608E-7 7.485777400942137E-10
i -1.161878771168384E-15 4.328622048467736E-15 5.178714177999847E-12 -7.476325087239424E-10 7.485777400942137E-10 9.627558975229562E-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 16.9   n/a MPO418927  

379071 (2008 WK107)          Discovered 2008-Nov-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2092-Feb-05 03:00 00:24 Europ 0.0427690142227156 0.0427084944377551 0.0428295785663362 2.58486986808265 2.58486977194272 2485182.624764868 24.3788857935651 3716.52690545464 122.639328530118 35.8351661457414 30526.1538070424 T 12 CATAB v2.0f-lin.ifort 2020-May-22 00:27:45 2020-May-22 00:27
2135-Sep-21 06:29 00:18 Europ 0.0216301188527111 0.0215235725165832 0.0217367735290168 2.56374937717288 2.56374918551034 2501115.769931586 18.3486164606114 5828.3999178969 115.745774185686 -24.4272706334304 11552.256746124 T 12 CATAB v2.0f-lin.ifort 2020-May-22 00:27:45 2020-May-22 00:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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