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243804 (2000 SR158)
Classification: Main-belt Asteroid          SPK-ID: 2243804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521775827681892 8.0798e-08  
a 3.04057285981653 4.2145e-08 au
q 2.57786583177909 2.5881e-07 au
i 12.62580753990709 9.2753e-06 deg
node 208.7605454420329 2.2817e-05 deg
peri 42.91598380712634 4.1923e-05 deg
M 321.0184563989486 3.119e-05 deg
tp 2459210.195002571244
(2020-Dec-26.69500257)
0.00016906 TDB
period 1936.562638417731
5.30
4.0264e-05
1.102e-07
d
yr
n .1858963881974601 3.8651e-09 deg/d
Q 3.503279887853969 4.8559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6656 days (18.22 yr)  
   first obs. used      2000-09-23  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:13:08  

Additional Information
 Earth MOID = 1.58089 au 
 Jupiter MOID = 1.5602 au 
 T_jup = 3.186 
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Orbital Elements at Epoch 2456584.5 (2013-Oct-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511076979411208 8.2248e-08  
q 2.585923154823273 2.623e-07 au
tp 2457267.376746548483
(2015-Sep-01.87674655)
0.00016171 TDB
node 208.9040637069824 2.2814e-05 deg
peri 41.69434510436004 4.196e-05 deg
i 12.61821174447519 9.2722e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6656 days (18.22 yr)  
   first obs. used      2000-09-23  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:13:08  

Additional Information
 Jupiter MOID = 1.5602 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.764791729307696E-15 -2.138889581488864E-14 -9.143205172226473E-12 4.349566596726883E-14 -1.949810116795096E-12 -6.922237679295781E-15
q -2.138889581488864E-14 6.880260213513242E-14 2.809740197294924E-11 -1.44226642129253E-13 5.902147819057793E-12 2.948300531101162E-14
tp -9.143205172226473E-12 2.809740197294924E-11 2.615103939371763E-8 -8.956455549384952E-11 5.694314943415233E-9 3.311050462299327E-12
node 4.349566596726883E-14 -1.44226642129253E-13 -8.956455549384952E-11 5.204998976402965E-10 -5.26213879692492E-10 1.272146428106274E-11
peri -1.949810116795096E-12 5.902147819057793E-12 5.694314943415233E-9 -5.26213879692492E-10 1.760606071853834E-9 -1.181864400526947E-11
i -6.922237679295781E-15 2.948300531101162E-14 3.311050462299327E-12 1.272146428106274E-11 -1.181864400526947E-11 8.597339761011431E-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 15.5   n/a MPO433597  
diameter diameter 3.640 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243804 (2000 SR158)          Discovered 2000-Sep-23 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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Alternate Designations
 2000 SR158 = 2004 FA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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