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295688 (2008 TO128)
Classification: Main-belt Asteroid          SPK-ID: 2295688
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 .174070725841167 6.6515e-08  
a 3.093999128583466 2.7724e-08 au
q 2.555424454519004 2.1111e-07 au
i 2.453381696910381 5.598e-06 deg
node 105.2450581896836 0.00017989 deg
peri 288.9002201833912 0.00018096 deg
M 32.58947214890386 1.6802e-05 deg
tp 2458820.549303084799
(2019-Dec-03.04930308)
9.2526e-05 TDB
period 1987.827559571301
5.44
2.6718e-05
7.315e-08
d
yr
n .1811022280411679 2.4342e-09 deg/d
Q 3.632573802647928 3.255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2003-11-24  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:30  

Additional Information
 Earth MOID = 1.56329 au 
 Jupiter MOID = 1.8021 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457393.5 (2016-Jan-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693334970664551 6.5423e-08  
q 2.576330923629464 2.0549e-07 au
tp 2456821.356259207902
(2014-Jun-12.85625921)
0.00010175 TDB
node 105.5080610738598 0.00017951 deg
peri 287.5787677209111 0.00018075 deg
i 2.452733527974916 5.5905e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2003-11-24  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:30  

Additional Information
 Jupiter MOID = 1.8021 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.28011785525284E-15 -1.335861737409409E-14 -6.29379427765002E-13 -1.951027032313893E-14 -1.356929411562204E-13 -2.856634020654117E-15
q -1.335861737409409E-14 4.222491635686535E-14 1.541432081731976E-12 7.164324631003654E-14 3.627605896409272E-13 9.27687603089168E-15
tp -6.29379427765002E-13 1.541432081731976E-12 1.035373337852755E-8 -5.295389196768699E-11 2.239992254664853E-9 1.466786824873095E-12
node -1.951027032313893E-14 7.164324631003654E-14 -5.295389196768699E-11 3.222477107235761E-8 -3.220494091138155E-8 -1.972803914635173E-10
peri -1.356929411562204E-13 3.627605896409272E-13 2.239992254664853E-9 -3.220494091138155E-8 3.26689541730127E-8 1.973903061165153E-10
i -2.856634020654117E-15 9.27687603089168E-15 1.466786824873095E-12 -1.972803914635173E-10 1.973903061165153E-10 3.125377955545008E-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 16.3   n/a MPO494582  

295688 (2008 TO128)          Discovered 2008-Oct-08 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1936-Jun-13 13:31 00:03 Jupiter 1.92934175316061 1.92934064886076 1.92934285745971 2.5485380637467 2.3700217840448 2428333.063496233 3.34746501341178 65.8470228721706 15.7489210628941 87.1229933246284 1020020.36455472 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
1946-May-03 12:29 00:03 Jupiter 1.82932024687144 1.82931950984687 1.82932098389685 1.81497579278321 1.5388584987389 2431944.020325269 2.90340817136726 190.572754780811 36.0469823009106 -83.8871105119004 1566334.15926339 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
2006-Aug-22 04:09 < 00:01 Jupiter 1.81893040046837 1.81892980586676 1.81893099506947 1.88024218324271 1.61368192415406 2453969.672739820 0.607521491164655 94.5077740308999 30.3254546693272 -89.758930125613 1622680.90993296 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
2016-Jul-13 17:36 < 00:01 Jupiter 1.94824562876362 1.94824490695638 1.94824635057053 2.30013575033762 2.10264146670279 2457583.233400516 0.430248078403917 77.0010074999013 8.12547875933353 -89.5427224675101 1702239.63053842 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
2066-Dec-11 00:50 00:02 Jupiter 1.89849481845103 1.89849400446644 1.89849563243508 2.42129126025233 2.22942634559024 2475995.534427350 2.07764981440534 66.3004181865386 9.86132878351245 -89.7509574479195 1268291.29438578 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
2076-Oct-29 17:47 00:03 Jupiter 1.83673649387884 1.83673574469294 1.83673724306536 1.84193032673607 1.57174897051459 2479606.241119300 2.53280150174121 171.903938796141 33.4913806346481 -87.3930208914376 1574011.74567711 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
2137-Feb-17 09:25 00:05 Jupiter 1.8066055568145 1.80660491204084 1.80660620158743 1.83568300924687 1.5594989873694 2501630.892141483 4.98571390864503 138.336489851314 50.1662456393602 73.5577738989315 1293905.23049192 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
2147-Jan-09 23:29 00:05 Jupiter 1.97197934340456 1.97197749818179 1.97198118863832 2.40026634018623 2.21409582009617 2505244.478289189 5.35894829932493 289.375303292666 11.434819586287 85.5042003098111 1674661.63891166 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
2197-Jun-08 11:37 00:07 Jupiter 1.87119775753776 1.8711959871318 1.87119952794096 2.30863598497098 2.10344326038435 2523656.984055310 7.44395286074914 88.9932129935345 16.5330321984771 -81.881609043558 631835.274419349 T 12 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:31 2020-Nov-11 19:48
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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