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305021 (2007 TR381)
Classification: Main-belt Asteroid          SPK-ID: 2305021
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023051522409566 6.1283e-08  
a 2.718401964981026 3.2999e-08 au
q 2.168455241603424 1.6389e-07 au
i 3.41885714619985 8.4259e-06 deg
node 82.5793368670505 0.00013146 deg
peri 248.0676703014781 0.00013448 deg
M 336.5301452295815 3.2581e-05 deg
tp 2459107.227624088219
(2020-Sep-14.72762409)
0.00014966 TDB
period 1637.076370842573
4.48
2.9809e-05
8.161e-08
d
yr
n .2199042185275172 4.0042e-09 deg/d
Q 3.268348688358628 3.9675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      6122 days (16.76 yr)  
   first obs. used      2002-07-05  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:52:37  

Additional Information
 Earth MOID = 1.16046 au 
 Jupiter MOID = 2.09878 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457154.5 (2015-May-12.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020974882937471 6.139e-08  
q 2.167686992945334 1.6394e-07 au
tp 2457473.673944926876
(2016-Mar-26.17394493)
0.00012917 TDB
node 82.58428423973085 0.00013145 deg
peri 248.5861138396403 0.00013448 deg
i 3.41962512344996 8.4295e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      6122 days (16.76 yr)  
   first obs. used      2002-07-05  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:52:37  

Additional Information
 Jupiter MOID = 2.09878 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.768731831607629E-15 -9.945395726549313E-15 1.878173365942505E-12 1.732295946640653E-14 4.847691394846043E-13 -9.111492605434545E-16
q -9.945395726549313E-15 2.687691322914254E-14 -2.938633033280568E-12 -4.813493054374611E-14 -8.700806178611041E-13 2.710423580288793E-15
tp 1.878173365942505E-12 -2.938633033280568E-12 1.668394205125167E-8 -1.182768237075775E-11 3.724448936823245E-9 2.55197076754012E-13
node 1.732295946640653E-14 -4.813493054374611E-14 -1.182768237075775E-11 1.727930363268545E-8 -1.725053170065105E-8 -3.375524229957948E-10
peri 4.847691394846043E-13 -8.700806178611041E-13 3.724448936823245E-9 -1.725053170065105E-8 1.808454194876685E-8 3.370102429817772E-10
i -9.111492605434545E-16 2.710423580288793E-15 2.55197076754012E-13 -3.375524229957948E-10 3.370102429817772E-10 7.105612282072621E-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 MPO471204  

305021 (2007 TR381)          Discovered 2007-Oct-14 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2007 TR381 = 2006 KM83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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