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5058 Tarrega (1987 OM)
Classification: Main-belt Asteroid          SPK-ID: 2005058
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320534688933041 1.1773e-08  
a 2.254251392272955 6.2524e-09 au
q 1.731144536938456 2.6781e-08 au
i 7.175838587132169 4.5586e-07 deg
node 108.9396091871375 3.0393e-06 deg
peri 244.9509319676882 3.2857e-06 deg
M 343.6047349206127 4.1687e-06 deg
tp 2459452.801230756559
(2021-Aug-26.30123076)
1.4512e-05 TDB
period 1236.237595075144
3.38
5.1432e-06
1.408e-08
d
yr
n .2912061576465141 1.2115e-09 deg/d
Q 2.777358247607455 7.7033e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2291  
   data-arc span      25823 days (70.70 yr)  
   first obs. used      1950-10-13  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48314  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:37:03  

Additional Information
 Earth MOID = .739451 au 
 Jupiter MOID = 2.68082 au 
 T_jup = 3.579 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457028.5 (2015-Jan-06.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .231875931879949 1.1846e-08  
q 1.731205780349141 2.6958e-08 au
tp 2456979.532910028696
(2014-Nov-18.03291003)
8.1115e-06 TDB
node 109.0518258059323 3.0354e-06 deg
peri 244.6058481479912 3.2861e-06 deg
i 7.18031882845895 4.5634e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2291  
   data-arc span      25823 days (70.70 yr)  
   first obs. used      1950-10-13  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48314  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:37:03  

Additional Information
 Jupiter MOID = 2.68082 au 
 T_jup = 3.579 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.403253937847831E-16 -3.14268637292516E-16 -6.811339058377164E-14 -7.600207688538534E-15 -1.683055920435077E-14 -8.15723497815619E-16
q -3.14268637292516E-16 7.267093234931453E-16 1.630041557772215E-13 1.752840021711241E-14 4.113926246675488E-14 1.978124540026312E-15
tp -6.811339058377164E-14 1.630041557772215E-13 6.579592236670046E-11 9.026957934775568E-12 1.42894995694064E-11 1.233481037091696E-12
node -7.600207688538534E-15 1.752840021711241E-14 9.026957934775568E-12 9.213375183809579E-12 -5.66939913928291E-12 9.077205663565844E-13
peri -1.683055920435077E-14 4.113926246675488E-14 1.42894995694064E-11 -5.66939913928291E-12 1.079859203437786E-11 -4.980292586274149E-13
i -8.15723497815619E-16 1.978124540026312E-15 1.233481037091696E-12 9.077205663565844E-13 -4.980292586274149E-13 2.082492761237366E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.87   n/a E2021B10  
diameter diameter 5.822 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.9826 h n/a LCDB (Rev. 2020-October); 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:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.163   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5058 Tarrega (1987 OM)          Discovered 1987-Jul-28 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 OM = 1950 TR3 = 1970 NG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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