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2143 Jimarnold (1973 SA)
Classification: Main-belt Asteroid          SPK-ID: 2002143
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2345634555061337 3.5632e-08  
a 2.280188483578879 6.8186e-09 au
q 1.745339593665326 8.0737e-08 au
i 8.365693954513699 3.8583e-06 deg
node 17.39128915598769 2.1465e-05 deg
peri 352.3841151021249 2.2669e-05 deg
M 197.0162610804857 1.0106e-05 deg
tp 2459569.872286282862
(2021-Dec-21.37228628)
3.7209e-05 TDB
period 1257.634807132826
3.44
5.6412e-06
1.544e-08
d
yr
n .2862516192762931 1.284e-09 deg/d
Q 2.815037373492431 8.418e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      23827 days (65.23 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:46:21  

Additional Information
 Earth MOID = .745607 au 
 Jupiter MOID = 2.64742 au 
 T_jup = 3.555 
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Orbital Elements at Epoch 2456858.5 (2014-Jul-20.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2340355198034798 3.5576e-08  
q 1.747171698217339 8.0618e-08 au
tp 2457051.980314381962
(2015-Jan-29.48031438)
2.9569e-05 TDB
node 17.43083429252515 2.1479e-05 deg
peri 351.9828401738013 2.269e-05 deg
i 8.363348351895944 3.8559e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      23827 days (65.23 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:46:21  

Additional Information
 Jupiter MOID = 2.64742 au 
 T_jup = 3.555 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.265617404005888E-15 -2.862021156176235E-15 1.947632795287406E-13 6.478529653708939E-15 1.64616869570213E-14 -6.888310795138736E-16
q -2.862021156176235E-15 6.499311936523751E-15 -3.525922524184677E-13 -1.464728534659825E-14 -1.791510101465521E-14 1.561364928956353E-15
tp 1.947632795287406E-13 -3.525922524184677E-13 8.743376541057137E-10 1.232581265486089E-13 2.21666793637635E-10 -1.109287297511248E-12
node 6.478529653708939E-15 -1.464728534659825E-14 1.232581265486089E-13 4.613651863750258E-10 -4.562443883457179E-10 -4.417297967229554E-12
peri 1.64616869570213E-14 -1.791510101465521E-14 2.21666793637635E-10 -4.562443883457179E-10 5.14847502400527E-10 4.119669041960371E-12
i -6.888310795138736E-16 1.561364928956353E-15 -1.109287297511248E-12 -4.417297967229554E-12 4.119669041960371E-12 1.486783124670331E-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 13.7   n/a MPO473793  
diameter diameter 4.934 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.138   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2143 Jimarnold (1973 SA)          Discovered 1973-Sep-26 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1973 SA = 1980 VZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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