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160268 (2002 SP20)
Classification: Main-belt Asteroid          SPK-ID: 2160268
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686681459559875 6.2133e-08  
a 3.159230693748204 2.1135e-08 au
q 2.626369109986446 1.9262e-07 au
i 2.306969125385319 4.5699e-06 deg
node 103.9170031933265 0.00014236 deg
peri 272.5662242338399 0.00014341 deg
M 77.09357245006099 1.4641e-05 deg
tp 2458761.275954896806
(2019-Oct-04.77595490)
8.3776e-05 TDB
period 2051.022558846601
5.62
2.0582e-05
5.635e-08
d
yr
n .1755222040085444 1.7614e-09 deg/d
Q 3.692092277509962 2.47e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2002-09-05  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:37  

Additional Information
 Earth MOID = 1.62777 au 
 Jupiter MOID = 1.7729 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1654545460836842 6.2831e-08  
q 2.644394151675797 1.9332e-07 au
tp 2456694.980397506823
(2014-Feb-06.48039751)
9.3686e-05 TDB
node 104.1613169609011 0.00014266 deg
peri 270.7896438931912 0.00014378 deg
i 2.304794703141185 4.5642e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2002-09-05  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:37  

Additional Information
 Jupiter MOID = 1.7729 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.947755919365385E-15 -1.209738448683443E-14 -3.101919732992264E-12 -4.028873100980489E-15 -6.663830594617726E-13 -2.334422696250089E-15
q -1.209738448683443E-14 3.73724206451908E-14 9.232849246486397E-12 1.741882959128408E-14 2.011606832007844E-12 7.206143777877677E-15
tp -3.101919732992264E-12 9.232849246486397E-12 8.776998884102467E-9 8.222710652625548E-12 1.727734222931922E-9 2.230909594794725E-12
node -4.028873100980489E-15 1.741882959128408E-14 8.222710652625548E-12 2.035138049293574E-8 -2.033299278475751E-8 1.547128419788532E-10
peri -6.663830594617726E-13 2.011606832007844E-12 1.727734222931922E-9 -2.033299278475751E-8 2.067258472303758E-8 -1.541230608947454E-10
i -2.334422696250089E-15 7.206143777877677E-15 2.230909594794725E-12 1.547128419788532E-10 -1.541230608947454E-10 2.083203491243778E-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 15.51   n/a MPCxxxxx  

160268 (2002 SP20)          Discovered 2002-Sep-26 by NEAT at Palomar
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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