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14147 Wenlingshuguang (1998 SG43)
Classification: Main-belt Asteroid          SPK-ID: 2014147
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0288428636628426 4.3899e-08  
a 2.324907131331527 7.2192e-09 au
q 2.257850151913761 1.0432e-07 au
i 3.606561645965928 3.3369e-06 deg
node 83.91299013417816 7.6999e-05 deg
peri 291.5035623035207 0.00010086 deg
M 35.43252803513479 6.4853e-05 deg
tp 2458873.059789549719
(2020-Jan-24.55978955)
0.00023323 TDB
period 1294.812374567468
3.55
6.0309e-06
1.651e-08
d
yr
n .2780325606018849 1.295e-09 deg/d
Q 2.391964110749293 7.4274e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1943  
   data-arc span      10830 days (29.65 yr)  
   first obs. used      1990-05-31  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:52:14  

Additional Information
 Earth MOID = 1.26074 au 
 Jupiter MOID = 2.69961 au 
 T_jup = 3.572 
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Orbital Elements at Epoch 2456847.5 (2014-Jul-09.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02971536964900074 4.4102e-08  
q 2.25567171530478 1.049e-07 au
tp 2456281.382251201268
(2012-Dec-19.88225120)
0.00022459 TDB
node 83.93144756683192 7.704e-05 deg
peri 290.9689286459536 9.9395e-05 deg
i 3.606177501195039 3.3357e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1943  
   data-arc span      10830 days (29.65 yr)  
   first obs. used      1990-05-31  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:52:14  

Additional Information
 Jupiter MOID = 2.69961 au 
 T_jup = 3.572 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.944958560231927E-15 -4.616593940458014E-15 -2.64044560742175E-12 1.51241304931093E-14 -7.729138243523092E-13 -2.168964869907584E-16
q -4.616593940458014E-15 1.100332982633765E-14 6.117191064104196E-12 -3.593089614222113E-14 1.796361459778477E-12 6.036056177956326E-16
tp -2.64044560742175E-12 6.117191064104196E-12 5.044089443776954E-8 -3.263527181912038E-11 1.413190565965043E-8 1.183079084197874E-12
node 1.51241304931093E-14 -3.593089614222113E-14 -3.263527181912038E-11 5.935183265662336E-9 -5.932434526489429E-9 -5.159696663693028E-12
peri -7.729138243523092E-13 1.796361459778477E-12 1.413190565965043E-8 -5.932434526489429E-9 9.87939983531846E-9 5.481131703933471E-12
i -2.168964869907584E-16 6.036056177956326E-16 1.183079084197874E-12 -5.159696663693028E-12 5.481131703933471E-12 1.112695390830779E-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 14.0   n/a MPO395140  
diameter diameter 4.518 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14147 Wenlingshuguang           Discovered 1998 Sept. 23 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Wenlingshuguang is the event of the first sunlight ("Shuguang" in Chinese) of the new millennium shining on Wenling, Zhejiang, the first geographical point on China's mainland.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1998 SG43 = 1997 JT13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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