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5863 Tara (1983 RB)
Classification: Amor [NEO]          SPK-ID: 2005863
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 211 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5060072869242209 3.7123e-08  
a 2.221719511911816 5.6287e-09 au
q 1.097513249382714 8.3586e-08 au
i 19.49278062827091 7.5154e-06 deg
node 168.9057708219202 1.2698e-05 deg
peri 115.4723528512762 1.5228e-05 deg
M 51.00552212535351 8.0278e-06 deg
tp 2458829.125197420740
(2019-Dec-11.62519742)
2.6661e-05 TDB
period 1209.573519841815
3.31
4.5966e-06
1.258e-08
d
yr
n .2976255631382207 1.131e-09 deg/d
Q 3.345925774440918 8.4768e-09 au
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      13552 days (37.10 yr)  
   first obs. used      1983-09-07  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-15 07:44:14  

Additional Information
 Earth MOID = .235375 au 
 Jupiter MOID = 2.25503 au 
 T_jup = 3.405 
[ show covariance matrix ]

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 15.7   n/a MPO431565  
diameter diameter 1.345 km 0.502 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 5.867 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 311-319.]
geometric albedo albedo 0.488   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

5863 Tara (1983 RB)          Discovered 1983-Sep-07 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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