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74922 (1999 TV146)
Classification: Main-belt Asteroid          SPK-ID: 2074922
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2253184348533946 3.0926e-08  
a 2.344717254944532 7.3842e-09 au
q 1.816409232886682 7.4599e-08 au
i 3.035764640504885 3.9042e-06 deg
node 67.38919397315179 6.5323e-05 deg
peri 230.7317094480109 6.5919e-05 deg
M 322.2225203883442 9.0231e-06 deg
tp 2459138.114635813561
(2020-Oct-15.61463581)
3.3105e-05 TDB
period 1311.396879891287
3.59
6.1949e-06
1.696e-08
d
yr
n .2745164377925342 1.2968e-09 deg/d
Q 2.873025277002382 9.048e-09 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      10071 days (27.57 yr)  
   first obs. used      1992-11-18  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:51:27  

Additional Information
 Earth MOID = .8025 au 
 Jupiter MOID = 2.34948 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457285.5 (2015-Sep-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251511712974434 3.1001e-08  
q 1.817618560909923 7.4814e-08 au
tp 2457825.760566757591
(2017-Mar-13.26056676)
3.1309e-05 TDB
node 67.44878507688966 6.5327e-05 deg
peri 230.4853117348242 6.5919e-05 deg
i 3.035501370796121 3.9027e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      10071 days (27.57 yr)  
   first obs. used      1992-11-18  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:51:27  

Additional Information
 Jupiter MOID = 2.34948 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.610707206762064E-16 -2.313122719521815E-15 -2.021700885496257E-13 2.640882592478485E-15 -3.437182681194478E-14 -2.706317721519732E-16
q -2.313122719521815E-15 5.597068146785146E-15 5.14987914772107E-13 -5.958681532605103E-15 8.706462894997337E-14 6.439476445076242E-16
tp -2.021700885496257E-13 5.14987914772107E-13 9.802640443044518E-10 -1.069607853054816E-12 2.840844195050475E-10 -6.869281563943579E-14
node 2.640882592478485E-15 -5.958681532605103E-15 -1.069607853054816E-12 4.267630558760084E-9 -4.261634708217809E-9 -2.954734709927754E-11
peri -3.437182681194478E-14 8.706462894997337E-14 2.840844195050475E-10 -4.261634708217809E-9 4.345345478220431E-9 2.948141504363071E-11
i -2.706317721519732E-16 6.439476445076242E-16 -6.869281563943579E-14 -2.954734709927754E-11 2.948141504363071E-11 1.523107344055987E-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 16.4   n/a MPO468697  

74922 (1999 TV146)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TV146 = 2002 JK28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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