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14471 (1993 SG1)
Classification: Main-belt Asteroid          SPK-ID: 2014471
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2923299009467707 2.6058e-08  
a 2.582881039603132 9.4157e-09 au
q 1.827827681138656 6.7686e-08 au
i 13.90642556064738 6.8589e-07 deg
node 174.5228247745983 4.9652e-06 deg
peri 176.9622448792011 5.7438e-06 deg
M 205.9973699071071 4.7094e-06 deg
tp 2459849.105564620961
(2022-Sep-26.60556462)
2.2146e-05 TDB
period 1516.194906039606
4.15
8.2907e-06
2.27e-08
d
yr
n .2374364922121669 1.2983e-09 deg/d
Q 3.337934398067607 1.2168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1855  
   data-arc span      11456 days (31.36 yr)  
   first obs. used      1989-11-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:30:10  

Additional Information
 Earth MOID = .820955 au 
 Jupiter MOID = 2.11111 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457287.5 (2015-Sep-22.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2925729146998369 2.6288e-08  
q 1.827766567720808 6.8402e-08 au
tp 2456811.140555430355
(2014-Jun-02.64055543)
1.566e-05 TDB
node 174.5883204688035 4.9639e-06 deg
peri 176.2822774469736 5.7312e-06 deg
i 13.90312408752975 6.8344e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      1855  
   data-arc span      11456 days (31.36 yr)  
   first obs. used      1989-11-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:30:10  

Additional Information
 Jupiter MOID = 2.11111 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.910798062947398E-16 -1.789770377906766E-15 3.048287128802067E-13 6.752728054396368E-15 6.509759200628257E-15 -4.668636973673766E-15
q -1.789770377906766E-15 4.678779855029241E-15 -7.941710507487739E-13 -1.752620286767916E-14 -1.572982582689573E-14 1.184514235333271E-14
tp 3.048287128802067E-13 -7.941710507487739E-13 2.452283220378728E-10 2.381724896628447E-12 3.548332133739234E-11 -1.066936248406448E-12
node 6.752728054396368E-15 -1.752620286767916E-14 2.381724896628447E-12 2.464022334546253E-11 -2.367485848650828E-11 1.098853252662801E-12
peri 6.509759200628257E-15 -1.572982582689573E-14 3.548332133739234E-11 -2.367485848650828E-11 3.284667399248646E-11 -1.14823697627741E-12
i -4.668636973673766E-15 1.184514235333271E-14 -1.066936248406448E-12 1.098853252662801E-12 -1.14823697627741E-12 4.670937555123423E-13

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 13.76   n/a E2021B10  
diameter diameter 5.465 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 77.623 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.215   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14471 (1993 SG1)          Discovered 1993-Sep-21 by McNaught, R. H. at Siding Spring
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

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