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7151 (1971 SX3)
Classification: Main-belt Asteroid          SPK-ID: 2007151
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093539210766923 3.0523e-08  
a 2.605827671291968 9.789e-09 au
q 2.320870197786046 7.8018e-08 au
i 12.62048387966201 3.5543e-06 deg
node 192.0973297612164 1.5062e-05 deg
peri 285.7355996976432 2.2444e-05 deg
M 112.2942469942297 1.7698e-05 deg
tp 2458521.239131223185
(2019-Feb-06.73913122)
7.4653e-05 TDB
period 1536.44480797417
4.21
8.6576e-06
2.37e-08
d
yr
n .2343071473388403 1.3203e-09 deg/d
Q 2.890785144797891 1.0859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      17844 days (48.85 yr)  
   first obs. used      1971-09-26  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:47:32  

Additional Information
 Earth MOID = 1.37248 au 
 Jupiter MOID = 2.24322 au 
 T_jup = 3.370 
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Orbital Elements at Epoch 2457143.5 (2015-May-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104850171809304 3.0522e-08  
q 2.318527969026854 7.8233e-08 au
tp 2456986.195031950583
(2014-Nov-24.69503195)
7.1697e-05 TDB
node 192.1146657128963 1.5065e-05 deg
peri 286.0341620326218 2.2319e-05 deg
i 12.61885508735384 3.5539e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      17844 days (48.85 yr)  
   first obs. used      1971-09-26  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:47:32  

Additional Information
 Jupiter MOID = 2.24322 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.31602881632611E-16 -2.373530495648121E-15 6.937907074190734E-14 -7.115309234320021E-15 -2.610801908379492E-15 -6.469119568788188E-16
q -2.373530495648121E-15 6.120361806086483E-15 -5.968488895996611E-14 1.861314760050022E-14 3.413990408208076E-14 1.695978856077625E-15
tp 6.937907074190734E-14 -5.968488895996611E-14 5.140414836872151E-9 5.753603550089287E-12 1.191951417826518E-9 -6.983592726569704E-12
node -7.115309234320021E-15 1.861314760050022E-14 5.753603550089287E-12 2.269413691414757E-10 -2.19575439602374E-10 8.20447395322284E-12
peri -2.610801908379492E-15 3.413990408208076E-14 1.191951417826518E-9 -2.19575439602374E-10 4.981255208452673E-10 -9.586539726158508E-12
i -6.469119568788188E-16 1.695978856077625E-15 -6.983592726569704E-12 8.20447395322284E-12 -9.586539726158508E-12 1.263043493737487E-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 12.4   n/a MPO384820  
diameter diameter 9.381 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.072 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Ditteon, R.; West, J. (2011) Minor Planet Bull. 38, 214-217.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.322   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

7151 (1971 SX3)          Discovered 1971-Sep-26 by Torres, C. at Cerro El Roble
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1971 SX3 = 1971 TA1 = 1986 GD1 = 1990 FU3 = 1991 PJ10 = 1995 KF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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