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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243440901398944 6.1304e-08  
a 3.11367734385101 2.5333e-08 au
q 2.726509967540653 1.8432e-07 au
i 10.84619986115528 7.1824e-06 deg
node 198.7473016912149 2.2547e-05 deg
peri 207.9906503754478 3.0718e-05 deg
M 150.112286119912 2.239e-05 deg
tp 2458163.698259039965
(2018-Feb-14.19825904)
0.00012049 TDB
period 2006.821923323256
5.49
2.4491e-05
6.705e-08
d
yr
n .1793881140205242 2.1892e-09 deg/d
Q 3.500844720161368 2.8483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      9838 days (26.93 yr)  
   first obs. used      1993-05-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:39  

Additional Information
 Earth MOID = 1.74045 au 
 Jupiter MOID = 1.93826 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457200.5 (2015-Jun-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1245228973642224 6.1145e-08  
q 2.726139656428024 1.8375e-07 au
tp 2458166.360046999330
(2018-Feb-16.86004700)
0.00012073 TDB
node 198.7730767271928 2.2549e-05 deg
peri 208.6397951210332 3.0761e-05 deg
i 10.84533730936227 7.182e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      9838 days (26.93 yr)  
   first obs. used      1993-05-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:39  

Additional Information
 Jupiter MOID = 1.93826 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.738758798398766E-15 -1.116435628859032E-14 -1.745118075458739E-12 -5.73328016044923E-15 -3.721470644423318E-13 -3.010156389651801E-15
q -1.116435628859032E-14 3.376437272946874E-14 6.437938849489362E-12 1.944441221087576E-14 1.281646968968989E-12 1.101087508318728E-14
tp -1.745118075458739E-12 6.437938849489362E-12 1.45760344821775E-8 1.520249611350893E-11 2.522666564812645E-9 6.179209898998228E-12
node -5.73328016044923E-15 1.944441221087576E-14 1.520249611350893E-11 5.084729542340912E-10 -4.963577778332751E-10 2.049588822098172E-12
peri -3.721470644423318E-13 1.281646968968989E-12 2.522666564812645E-9 -4.963577778332751E-10 9.462395464290076E-10 -9.277180174097587E-13
i -3.010156389651801E-15 1.101087508318728E-14 6.179209898998228E-12 2.049588822098172E-12 -9.277180174097587E-13 5.158129455707217E-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 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

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