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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 210 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5060072836228019 3.7942e-08  
a 2.221719512180921 5.6649e-09 au
q 1.097513256850477 8.5447e-08 au
i 19.49278125238259 7.8231e-06 deg
node 168.9057709373341 1.2704e-05 deg
peri 115.4723518415902 1.5413e-05 deg
M 51.00552235666638 8.0771e-06 deg
tp 2458829.125196612410
(2019-Dec-11.62519661)
2.6836e-05 TDB
period 1209.573520061579
3.31
4.6262e-06
1.267e-08
d
yr
n .297625563084146 1.1383e-09 deg/d
Q 3.345925767511366 8.5313e-09 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      13034 days (35.69 yr)  
   first obs. used      1983-09-07  
   last obs. used      2019-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-04 06:01:20  

Additional Information
 Earth MOID = .235375 au 
 Jupiter MOID = 2.25503 au 
 T_jup = 3.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456689.5 (2014-Feb-01.0) TDB
Reference: JPL 210 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5072509022328688 3.8065e-08  
q 1.094230685975251 8.5789e-08 au
tp 2456409.387054088186
(2013-Apr-26.88705409)
2.3737e-05 TDB
node 169.0264499163367 1.2735e-05 deg
peri 115.3383941819382 1.539e-05 deg
i 19.47208493877638 7.817e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      13034 days (35.69 yr)  
   first obs. used      1983-09-07  
   last obs. used      2019-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-04 06:01:20  

Additional Information
 Jupiter MOID = 2.25503 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.448981627938351E-15 -3.264113056308676E-15 1.310685536621837E-14 9.340963136584879E-15 1.010619266975581E-13 -1.169990335939234E-15
q -3.264113056308676E-15 7.359780990653505E-15 -2.076032256846541E-14 -2.073707742802808E-14 -2.254098941941957E-13 5.084855028868704E-15
tp 1.310685536621837E-14 -2.076032256846541E-14 5.634362062804314E-10 -1.90741249640572E-11 2.074671462210535E-10 2.21329377660546E-11
node 9.340963136584879E-15 -2.073707742802808E-14 -1.90741249640572E-11 1.621794048508992E-10 -1.563050663552966E-10 2.316921481982212E-11
peri 1.010619266975581E-13 -2.254098941941957E-13 2.074671462210535E-10 -1.563050663552966E-10 2.368545702484156E-10 -1.561237006749841E-11
i -1.169990335939234E-15 5.084855028868704E-15 2.21329377660546E-11 2.316921481982212E-11 -1.561237006749841E-11 6.110557329127522E-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 15.7   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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