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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025072007304886 6.1263e-08  
a 2.716420549413986 3.2118e-08 au
q 2.166325827945383 1.6374e-07 au
i 3.419776861768388 8.4417e-06 deg
node 82.57962139929367 0.00013145 deg
peri 248.3343961383271 0.00013447 deg
M 248.29475283671 3.145e-05 deg
tp 2459107.916996995322
(2020-Sep-15.41699700)
0.00014963 TDB
period 1635.286824541821
4.48
2.9003e-05
7.941e-08
d
yr
n .2201448666969268 3.9044e-09 deg/d
Q 3.266515270882588 3.8622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   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      .60394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:36:49  

Additional Information
 Earth MOID = 1.15751 au 
 Jupiter MOID = 2.09861 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457151.5 (2015-May-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020961336881312 6.1403e-08  
q 2.167683489710769 1.6397e-07 au
tp 2457473.676496020019
(2016-Mar-26.17649602)
0.00012921 TDB
node 82.58426084169234 0.00013145 deg
peri 248.5869259155016 0.00013448 deg
i 3.419623301462911 8.441e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      114  
   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      .60394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:36:49  

Additional Information
 Jupiter MOID = 2.09861 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.770286186726602E-15 -9.949176844056985E-15 1.874418484161295E-12 1.730088589652265E-14 4.836203779836046E-13 -9.328458640347235E-16
q -9.949176844056985E-15 2.68860804148896E-14 -2.929312074396718E-12 -4.809295564233291E-14 -8.672185183521015E-13 2.760264331221208E-15
tp 1.874418484161295E-12 -2.929312074396718E-12 1.669402190166094E-8 -1.194769866681933E-11 3.727688134048487E-9 1.986843025246987E-13
node 1.730088589652265E-14 -4.809295564233291E-14 -1.194769866681933E-11 1.727983006639801E-8 -1.725108576923652E-8 -3.372434709419906E-10
peri 4.836203779836046E-13 -8.672185183521015E-13 3.727688134048487E-9 -1.725108576923652E-8 1.808608809705056E-8 3.366894937303242E-10
i -9.328458640347235E-16 2.760264331221208E-15 1.986843025246987E-13 -3.372434709419906E-10 3.366894937303242E-10 7.125002043652235E-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 17.0   n/a MPO433965  

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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