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216804 (2006 SD381)
Classification: Main-belt Asteroid          SPK-ID: 2216804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06946872323187223 6.0774e-08  
a 3.130230856608045 3.9078e-08 au
q 2.912777715578474 1.8052e-07 au
i 15.11189578750651 6.1582e-06 deg
node 128.0790407868774 2.3079e-05 deg
peri 20.90674201970676 5.0454e-05 deg
M 142.1942065657786 4.6177e-05 deg
tp 2458597.508092375884
(2019-Apr-24.00809238)
0.00025492 TDB
period 2022.846736808659
5.54
3.788e-05
1.037e-07
d
yr
n .1779670171987194 3.3326e-09 deg/d
Q 3.347683997637616 4.1793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      6619 days (18.12 yr)  
   first obs. used      2003-05-30  
   last obs. used      2021-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58247  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:30:54  

Additional Information
 Earth MOID = 1.93067 au 
 Jupiter MOID = 1.70038 au 
 T_jup = 3.156 
[ 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 15.80   n/a MPO638141  

216804 (2006 SD381)          Discovered 2006-Sep-27 by Becker, A. C. at Apache Point
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ 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
1939-Sep-30 22:52 00:05 Jupiter 1.83905435495967 1.83905210164122 1.83905660829181 3.20649668370948 3.05948867076351 2429537.453052039 4.79090044033656 291.571152836841 33.1964435786034 63.2600123972933 1807426.32563248 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
1950-Jan-13 20:57 00:03 Jupiter 1.74381750866823 1.74381642157064 1.74381859578495 4.27290112448161 4.15767077532289 2433295.373253928 3.47942575452334 365.126425873164 30.1989118868522 -83.3666950647644 2533563.09466818 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
2022-Jun-16 05:08 < 00:01 Jupiter 1.77700950673833 1.77700878722158 1.77701022625507 3.45553605884218 3.31472731196423 2459746.714108273 0.481945433303346 81.9108762051028 31.7106640378105 81.7825840725507 1892146.87053368 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
2032-Oct-12 13:51 < 00:01 Jupiter 1.81255742757478 1.81255655747043 1.81255829767943 4.36605411049993 4.25767689929953 2463518.076916335 0.899009985475598 101.329800747985 37.8353970326631 -79.5393132243896 2610971.81942988 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
2105-Mar-07 02:44 00:05 Jupiter 1.73934848796235 1.73934748931375 1.7393494866417 3.70644470053672 3.5726430755429 2489960.613645033 4.95215879465103 476.793082737842 28.1336288360465 83.3012077907578 2010781.05252751 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
2115-Jul-13 07:52 00:05 Jupiter 1.90477068129181 1.90476744190725 1.90477392069793 4.46341355456373 4.36264724912586 2493740.827626100 5.20340041446119 374.706273722342 46.7743287954868 -65.8810008574136 2787892.13476426 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
2177-Oct-23 17:48 00:11 Jupiter 1.98030148736904 1.98029844710062 1.98030452772651 2.55369699798713 2.38031937340487 2516489.241659634 10.7886541416272 724.109348338722 26.8068615323661 82.5001230574975 2026096.55934993 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
2187-Dec-01 10:00 00:09 Jupiter 1.71697533027895 1.71697467837792 1.71697598220535 3.91044849146263 3.78219016762386 2520179.916773420 9.27365863668005 963.589555281215 27.8018114493702 87.9932014931921 2179422.05600662 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
2198-Apr-12 15:44 00:10 Jupiter 1.99642550024642 1.99641914718045 1.99643185334781 4.54935727549489 4.45512205866837 2523965.155471773 9.59528614110622 535.561279448209 61.2463114248991 -54.6911126712321 2698606.48865438 T 20 CATAB v2.0g-lin.ifort 2021-Aug-25 22:30:55 2021-Aug-25 22:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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