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78891 (2003 SH40)
Classification: Main-belt Asteroid          SPK-ID: 2078891
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000415286408336 4.1023e-08  
a 3.095087875828646 1.772e-08 au
q 2.785450553453038 1.2835e-07 au
i 12.38498888893526 5.1039e-06 deg
node 210.7182711986831 1.7036e-05 deg
peri 148.283510142228 3.0182e-05 deg
M 68.32840913838341 2.3093e-05 deg
tp 2458823.008904651700
(2019-Dec-05.50890465)		 0.00012745 TDB
period 1988.876896726227
5.45		 1.708e-05
4.676e-08		 d
yr
n .1810066779862418 1.5545e-09 deg/d
Q 3.404725198204254 1.9493e-08 au
   Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      16159 days (44.24 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:17:01  

Additional Information
 Earth MOID = 1.79039 au 
 Jupiter MOID = 2.09858 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457625.5 (2016-Aug-25.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025747232153298 4.1159e-08  
q 2.777200257714892 1.2871e-07 au
tp 2456820.254357239537
(2014-Jun-11.75435724)		 0.00012223 TDB
node 210.7898795229906 1.7043e-05 deg
peri 146.0495950876052 2.9472e-05 deg
i 12.37971377976557 5.1058e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      16159 days (44.24 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:17:01  

Additional Information
 Jupiter MOID = 2.09858 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.694064230285185E-15 -5.257228295904993E-15 1.380147096889822E-12 -3.826083881616984E-15 2.721238311640148E-13 -3.183351325285421E-15
q -5.257228295904993E-15 1.656739657605477E-14 -4.331979045481908E-12 1.241217825143155E-14 -8.338300473142624E-13 1.056974376144291E-14
tp 1.380147096889822E-12 -4.331979045481908E-12 1.494001173700157E-8 8.29552187732541E-12 2.945618215659117E-9 -4.113560137705471E-12
node -3.826083881616984E-15 1.241217825143155E-14 8.29552187732541E-12 2.904509425781842E-10 -2.819961637669506E-10 -3.08421967422024E-13
peri 2.721238311640148E-13 -8.338300473142624E-13 2.945618215659117E-9 -2.819961637669506E-10 8.686037825648217E-10 -5.588479548485549E-13
i -3.183351325285421E-15 1.056974376144291E-14 -4.113560137705471E-12 -3.08421967422024E-13 -5.588479548485549E-13 2.606965818266182E-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 14.44   n/a E2021B10  
diameter diameter 7.399 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78891 (2003 SH40)          Discovered 2003-Sep-16 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
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
2118-Aug-11 07:07 00:03 Europ 0.0465188873146685 0.0464761904266809 0.0465615875826567 5.33294575363173 5.33294571078919 2494865.796800356 2.76295471715954 2218.52089247059 80.7229287253502 -16.3918332812045 24503.3767484259 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 07:17:03 2021-Feb-24 07:17

Alternate Designations
 2003 SH40 = 1976 UO8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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