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85177 (1990 SE3)
Classification: Main-belt Asteroid          SPK-ID: 2085177
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419035806037477 5.666e-08  
a 2.793972460303287 1.4109e-08 au
q 2.11810051804766 1.5962e-07 au
i 9.456033140599368 5.3172e-06 deg
node 34.93259486372651 2.7412e-05 deg
peri 332.118611775433 2.846e-05 deg
M 126.6343775348924 7.1787e-06 deg
tp 2458400.459274325745
(2018-Oct-08.95927433)
3.3597e-05 TDB
period 1705.8137406899
4.67
1.2921e-05
3.538e-08
d
yr
n .2110429711126618 1.5986e-09 deg/d
Q 3.469844402558915 1.7523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      10815 days (29.61 yr)  
   first obs. used      1990-09-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:34:08  

Additional Information
 Earth MOID = 1.1229 au 
 Jupiter MOID = 2.00465 au 
 T_jup = 3.265 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457422.5 (2016-Feb-04.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2393382741206238 5.6459e-08  
q 2.129650155330296 1.584e-07 au
tp 2456688.547555369164
(2014-Jan-31.04755537)
3.6975e-05 TDB
node 35.01128684505344 2.7491e-05 deg
peri 331.579580670614 2.8577e-05 deg
i 9.436618156408871 5.3085e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      10815 days (29.61 yr)  
   first obs. used      1990-09-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:34:08  

Additional Information
 Jupiter MOID = 2.00465 au 
 T_jup = 3.265 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.187570631262412E-15 -8.922385973684363E-15 -4.020991386434605E-13 -1.574192725060559E-14 -1.42489246499975E-13 -9.863672330859118E-16
q -8.922385973684363E-15 2.509146426323468E-14 9.860579836841144E-13 4.344597347232735E-14 3.815660618209729E-13 2.313453865253475E-15
tp -4.020991386434605E-13 9.860579836841144E-13 1.367162059871348E-9 9.185997308415166E-12 3.074817633373906E-10 -1.299580492472347E-12
node -1.574192725060559E-14 4.344597347232735E-14 9.185997308415166E-12 7.557454124271024E-10 -7.430046496508332E-10 -5.938439051654434E-11
peri -1.42489246499975E-13 3.815660618209729E-13 3.074817633373906E-10 -7.430046496508332E-10 8.166556641888374E-10 5.824662456034336E-11
i -9.863672330859118E-16 2.313453865253475E-15 -1.299580492472347E-12 -5.938439051654434E-11 5.824662456034336E-11 2.817990107985306E-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 14.6   n/a MPO493473  
diameter diameter 7.286 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85177 (1990 SE3)          Discovered 1990-Sep-18 by Holt, H. E. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1990 SE3 = 2000 XC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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