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136691 (1995 SC44)
Classification: Main-belt Asteroid          SPK-ID: 2136691
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243440910630698 6.1189e-08  
a 3.11367734357654 2.5282e-08 au
q 2.726509964425841 1.8385e-07 au
i 10.84619981723187 7.1811e-06 deg
node 198.7473042306875 2.185e-05 deg
peri 207.9906485155969 3.0028e-05 deg
M 150.1122856971979 2.2278e-05 deg
tp 2458163.698261507032
(2018-Feb-14.19826151)
0.00011978 TDB
period 2006.821923057905
5.49
2.4442e-05
6.692e-08
d
yr
n .1793881140442438 2.1848e-09 deg/d
Q 3.500844722727239 2.8425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      9868 days (27.02 yr)  
   first obs. used      1993-05-20  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:50:42  

Additional Information
 Earth MOID = 1.74045 au 
 Jupiter MOID = 1.93826 au 
 T_jup = 3.179 
[ 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 15.2   n/a MPO366745  

136691 (1995 SC44)          Discovered 1995-Sep-25 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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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
1971-Aug-26 06:33 00:02 Jupiter 1.98627518935592 1.98627443290656 1.98627594580607 3.20548141935284 3.06956606673745 2441189.772898134 1.79894862773347 106.258193182714 28.014639488772 -77.9717267877886 2891239.2453201 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:50:43 2020-Nov-12 15:50
2054-Jan-01 06:52 00:02 Jupiter 1.96863916005254 1.96863852692672 1.9686397931787 3.51016650606297 3.38537341158957 2471268.786160103 1.49265415036037 129.347993005456 23.2029120126589 85.4082369499347 1986392.41573153 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:50:43 2020-Nov-12 15:50

Alternate Designations
 1995 SC44 = 2002 AF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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