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212544 (2006 SA8)
Classification: Main-belt Asteroid          SPK-ID: 2212544
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01880380842496411 5.0795e-08  
a 3.023828118366436 3.7183e-08 au
q 2.966968633718654 1.4625e-07 au
i 9.074995891953931 6.4013e-06 deg
node 335.2409402361207 2.918e-05 deg
peri 64.2894176478698 0.00017086 deg
M 188.2357633132445 0.00016623 deg
tp 2459916.856197952827
(2022-Dec-03.35619795)
0.00088759 TDB
period 1920.587414623634
5.26
3.5425e-05
9.699e-08
d
yr
n .1874426528357456 3.4574e-09 deg/d
Q 3.080687603014219 3.7882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6332 days (17.34 yr)  
   first obs. used      2001-10-26  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57733  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:57:10  

Additional Information
 Earth MOID = 1.97969 au 
 Jupiter MOID = 1.99915 au 
 T_jup = 3.226 
[ 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 15.6   n/a MPO433389  

212544 (2006 SA8)          Discovered 2006-Sep-16 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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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
1927-Jul-04 23:26 00:05 Jupiter 1.99488690821711 1.994886360122 1.99488745631255 4.43443578776811 4.33762921857435 2425066.476518618 4.70128953364376 274.184861847666 24.2868579819806 88.2740308393654 2869058.63976792 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 07:57:12 2019-Jul-14 07:57
1974-Oct-23 10:57 00:02 Jupiter 1.99426076341978 1.99426021865312 1.99426130818645 4.46496738035725 4.36880688123022 2442343.956041848 2.12098636249272 133.402861470016 24.4529093573785 88.3913301532072 2870528.65371779 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 07:57:12 2019-Jul-14 07:57
2022-Feb-09 22:42 < 00:01 Jupiter 1.99475629870447 1.99475575341579 1.99475684399315 4.49252866510121 4.39699496094675 2459620.445702997 0.477200421895249 93.5479825115588 24.064548928112 86.173467422665 2861035.88770188 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 07:57:12 2019-Jul-14 07:57
2069-May-30 04:36 00:03 Jupiter 1.99954075217125 1.99954015782047 1.99954134652203 4.52123816070643 4.42655367624995 2476896.691478111 2.99782460558238 128.616222572483 26.951023923359 -88.5679693305727 2884992.77055883 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 07:57:12 2019-Jul-14 07:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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