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308065 (2004 TD158)
Classification: Main-belt Asteroid          SPK-ID: 2308065
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286568753615613 3.5861e-08  
a 2.248084880177519 1.3797e-08 au
q 1.958853303946309 8.6307e-08 au
i 2.855350993031909 3.7317e-06 deg
node 260.2110557313183 8.2186e-05 deg
peri 24.57283897520498 8.4852e-05 deg
M 325.4002283122208 1.8152e-05 deg
tp 2459118.828188585551
(2020-Sep-26.32818859)
6.1591e-05 TDB
period 1231.168467676462
3.37
1.1334e-05
3.103e-08
d
yr
n .2924051496213305 2.6918e-09 deg/d
Q 2.537316456408728 1.5572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      21812 days (59.72 yr)  
   first obs. used      1960-10-25  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54545  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:02:31  

Additional Information
 Earth MOID = .942844 au 
 Jupiter MOID = 2.58736 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457439.5 (2016-Feb-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286072182236624 3.5826e-08  
q 1.959385592401261 8.6175e-08 au
tp 2457886.627337135825
(2017-May-13.12733714)
6.7448e-05 TDB
node 260.2854074556254 8.2218e-05 deg
peri 24.24743269943047 8.4887e-05 deg
i 2.85442490429514 3.731e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      21812 days (59.72 yr)  
   first obs. used      1960-10-25  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54545  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:02:31  

Additional Information
 Jupiter MOID = 2.58736 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.283514843369709E-15 -3.062432776585234E-15 7.55287205621949E-13 8.959381578119146E-15 2.547862815883088E-13 -1.018193923299758E-15
q -3.062432776585234E-15 7.426121442332023E-15 -2.152162190954083E-12 -2.256242483831809E-14 -7.232018396150741E-13 2.53818155602888E-15
tp 7.55287205621949E-13 -2.152162190954083E-12 4.54916585480851E-9 2.071694547666435E-11 1.438496245486103E-9 -1.114774795892159E-12
node 8.959381578119146E-15 -2.256242483831809E-14 2.071694547666435E-11 6.759832871017884E-9 -6.744451372006764E-9 2.747266755312885E-13
peri 2.547862815883088E-13 -7.232018396150741E-13 1.438496245486103E-9 -6.744451372006764E-9 7.20577827772153E-9 -6.566445250215038E-13
i -1.018193923299758E-15 2.53818155602888E-15 -1.114774795892159E-12 2.747266755312885E-13 -6.566445250215038E-13 1.392043648269357E-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 17.1   n/a MPO427640  

308065 (2004 TD158)          Discovered 2004-Oct-06 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
2019-May-05 20:22 < 00:01 Hebe 0.0416430043368115 0.0416400920374251 0.0416459166398391 6.79751515041543 6.79751512845376 2458609.348627708 0.454387905748707 146.706448922011 56.110441031056 8.92564806088586 45337.893560595 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:02:32 2020-Nov-11 19:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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