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243195 (2007 TT377)
Classification: Main-belt Asteroid          SPK-ID: 2243195
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 .0564828990180803 5.462e-08  
a 3.055138990112686 3.7234e-08 au
q 2.882575883047952 1.6123e-07 au
i 3.308085907445817 9.2271e-06 deg
node 233.4970319522026 0.00015374 deg
peri 223.867545583741 0.00018797 deg
M 86.81943196334515 0.00010841 deg
tp 2458530.108651769670
(2019-Feb-15.60865177)
0.00058454 TDB
period 1950.495200595343
5.34
3.5657e-05
9.762e-08
d
yr
n .1845685136216271 3.3741e-09 deg/d
Q 3.227702097177421 3.9337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      8561 days (23.44 yr)  
   first obs. used      1996-11-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:46:14  

Additional Information
 Earth MOID = 1.90056 au 
 Jupiter MOID = 1.88539 au 
 T_jup = 3.231 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457056.5 (2015-Feb-03.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05763712822824596 5.4743e-08  
q 2.87895080047541 1.6163e-07 au
tp 2456584.401262339737
(2013-Oct-18.90126234)
0.00056167 TDB
node 233.5282298198131 0.00015376 deg
peri 224.8590345870323 0.00018666 deg
i 3.307931341927671 9.2268e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      8561 days (23.44 yr)  
   first obs. used      1996-11-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:46:14  

Additional Information
 Jupiter MOID = 1.88539 au 
 T_jup = 3.231 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.996816711242439E-15 -8.655919675584194E-15 2.007761602675974E-12 1.839557661081102E-14 3.665578880390691E-13 -1.13061680606359E-15
q -8.655919675584194E-15 2.612364430766815E-14 -1.241339290936888E-12 -6.288654376459206E-14 -1.463520797101887E-13 4.892991775487561E-15
tp 2.007761602675974E-12 -1.241339290936888E-12 3.154699823270742E-7 1.725344780216074E-10 5.95632174386561E-8 -1.043348949650284E-12
node 1.839557661081102E-14 -6.288654376459206E-14 1.725344780216074E-10 2.364087157543247E-8 -2.357023937478219E-8 -7.959710246927438E-10
peri 3.665578880390691E-13 -1.463520797101887E-13 5.95632174386561E-8 -2.357023937478219E-8 3.484135876488863E-8 7.946196786070339E-10
i -1.13061680606359E-15 4.892991775487561E-15 -1.043348949650284E-12 -7.959710246927438E-10 7.946196786070339E-10 8.51335194938196E-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 16.2   n/a MPO422945  
diameter diameter 4.458 km 0.475 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243195 (2007 TT377)          Discovered 2007-Oct-11 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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