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357278 (2002 SY4)
Classification: Main-belt Asteroid          SPK-ID: 2357278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248558258978914 5.4354e-08  
a 2.580507813511371 1.834e-08 au
q 2.258316379219447 1.3151e-07 au
i 14.86886370365195 4.7066e-06 deg
node 183.15452881452 2.1657e-05 deg
peri 167.3790828137319 3.2931e-05 deg
M 109.3697341562606 2.7618e-05 deg
tp 2458540.507394656249
(2019-Feb-26.00739466)
0.00011347 TDB
period 1514.10570027678
4.15
1.6141e-05
4.419e-08
d
yr
n .2377641137829359 2.5347e-09 deg/d
Q 2.902699247803295 2.0629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8722 days (23.88 yr)  
   first obs. used      1996-03-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:29:17  

Additional Information
 Earth MOID = 1.25556 au 
 Jupiter MOID = 2.5578 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457533.5 (2016-May-25.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259011174912973 5.4623e-08  
q 2.254613617187329 1.3237e-07 au
tp 2457023.168281728158
(2014-Dec-31.66828173)
0.00010405 TDB
node 183.1984209758583 2.163e-05 deg
peri 166.5779266554545 3.2684e-05 deg
i 14.87946286346525 4.7092e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8722 days (23.88 yr)  
   first obs. used      1996-03-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:29:17  

Additional Information
 Jupiter MOID = 2.5578 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.983656688857267E-15 -7.194960921651148E-15 1.505402871204065E-12 -1.233361491982247E-14 2.836800250554248E-13 -1.229187794968024E-14
q -7.194960921651148E-15 1.75222022581201E-14 -3.146473340024896E-12 3.410910031333265E-14 -5.59186117043796E-13 2.875282728561862E-14
tp 1.505402871204065E-12 -3.146473340024896E-12 1.082599409674794E-8 5.310941134409068E-11 2.584194359221063E-9 -3.070048861473685E-11
node -1.233361491982247E-14 3.410910031333265E-14 5.310941134409068E-11 4.678594895109634E-10 -4.381797791772763E-10 1.447469665437781E-11
peri 2.836800250554248E-13 -5.59186117043796E-13 2.584194359221063E-9 -4.381797791772763E-10 1.068247526444503E-9 -2.117111395296017E-11
i -1.229187794968024E-14 2.875282728561862E-14 -3.070048861473685E-11 1.447469665437781E-11 -2.117111395296017E-11 2.217689274410594E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO455579  

357278 (2002 SY4)          Discovered 2002-Sep-27 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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