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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288514153619011 3.5798e-08  
a 2.248557746285405 1.3906e-08 au
q 1.958827898153564 8.6251e-08 au
i 2.854635336822969 3.7309e-06 deg
node 260.2029888238688 8.2217e-05 deg
peri 24.47468416993926 8.4879e-05 deg
M 23.95575618194527 1.7896e-05 deg
tp 2459118.547561905320
(2020-Sep-26.04756191)
6.1549e-05 TDB
period 1231.556937297604
3.37
1.1425e-05
3.128e-08
d
yr
n .2923129163560601 2.7117e-09 deg/d
Q 2.538287594417246 1.5698e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:05:39  

Additional Information
 Earth MOID = .9409 au 
 Jupiter MOID = 2.58521 au 
 T_jup = 3.616 
[ show covariance matrix ]

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 17.18   n/a E2021B25  

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 14 CATAB v2.0f-lin.ifort 2021-Apr-14 06:05:41 2021-Apr-14 06:05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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