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187894 (2000 SF142)
Classification: Main-belt Asteroid          SPK-ID: 2187894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612612739810123 4.8208e-08  
a 2.777211259656266 1.9899e-08 au
q 2.329354633809685 1.3438e-07 au
i 9.297933052172045 5.4397e-06 deg
node 211.5730455559446 2.5658e-05 deg
peri 188.0648965863062 2.9477e-05 deg
M 115.8734299057085 1.5933e-05 deg
tp 2458656.381910382847
(2019-Jun-21.88191038)
7.1547e-05 TDB
period 1690.486873665287
4.63
1.8169e-05
4.974e-08
d
yr
n .2129564006725788 2.2888e-09 deg/d
Q 3.225067885502847 2.3108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7511 days (20.56 yr)  
   first obs. used      2000-09-23  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:23  

Additional Information
 Earth MOID = 1.33638 au 
 Jupiter MOID = 2.19599 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457651.5 (2016-Sep-20.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590397085252982 4.7993e-08  
q 2.338421590051499 1.3331e-07 au
tp 2456963.419161966427
(2014-Nov-01.91916197)
6.5479e-05 TDB
node 211.5907118608283 2.5669e-05 deg
peri 187.917992755492 2.961e-05 deg
i 9.289718451608655 5.4387e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7511 days (20.56 yr)  
   first obs. used      2000-09-23  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:23  

Additional Information
 Jupiter MOID = 2.19599 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.303313885570701E-15 -6.347650013712918E-15 -7.761512707600847E-13 2.892134756372454E-14 -2.39711486756817E-13 -2.398956993151224E-15
q -6.347650013712918E-15 1.777256968950032E-14 2.470368821567805E-12 -8.254266098620405E-14 7.518254427483313E-13 6.99255193312736E-15
tp -7.761512707600847E-13 2.470368821567805E-12 4.287514390945983E-9 -2.220742332674926E-11 9.777560448788135E-10 1.738905331945388E-12
node 2.892134756372454E-14 -8.254266098620405E-14 -2.220742332674926E-11 6.588764308545483E-10 -6.552485929699199E-10 -3.516187642238845E-11
peri -2.39711486756817E-13 7.518254427483313E-13 9.777560448788135E-10 -6.552485929699199E-10 8.767481475164626E-10 3.512837599209065E-11
i -2.398956993151224E-15 6.99255193312736E-15 1.738905331945388E-12 -3.516187642238845E-11 3.512837599209065E-11 2.957993410666863E-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 15.62   n/a E2021B55  

187894 (2000 SF142)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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