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472235 Zhulong (2014 GE45)
Classification: TransNeptunian Object          SPK-ID: 2472235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4098252134930263 1.5618e-05  
a 55.42380300750158 0.0017881 au
q 32.70973110735682 0.00022501 au
i .8082412379283909 1.5715e-05 deg
node 319.3190398300411 0.0023016 deg
peri 274.1804923644804 0.0027552 deg
M 352.6481634821351 0.00084329 deg
tp 2462474.270628474542
(2029-Dec-03.77062847)
0.22763 TDB
period 150710.2917153299
412.62
7.2932
0.01997
d
yr
n .002388688893788277 1.1559e-07 deg/d
Q 78.13787490764635 0.0025208 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      7726 days (21.15 yr)  
   first obs. used      2000-04-10  
   last obs. used      2021-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .54102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:54:13  

Additional Information
 Earth MOID = 31.6994 au 
 Jupiter MOID = 27.3107 au 
 T_jup = 6.047 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457616.5 (2016-Aug-16.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4159719953314638 1.5781e-05  
q 32.76971086995952 0.00022106 au
tp 2462319.103644803019
(2029-Jul-01.60364480)
0.22293 TDB
node 318.9434757092518 0.0023071 deg
peri 273.6086787379738 0.0027409 deg
i .8060573808811431 1.5475e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      7726 days (21.15 yr)  
   first obs. used      2000-04-10  
   last obs. used      2021-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .54102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:54:13  

Additional Information
 Jupiter MOID = 27.3107 au 
 T_jup = 6.047 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.490309673780389E-10 2.835936946251027E-9 -2.288899896037983E-6 6.075748863863402E-11 -1.477123143055911E-8 1.524930946768278E-12
q 2.835936946251027E-9 4.886823719943445E-8 -4.769321597884557E-5 1.628610908224267E-9 -3.150098206580787E-7 2.599056634754459E-11
tp -2.288899896037983E-6 -4.769321597884557E-5 .04969569901633056 -1.788050112341145E-6 .0003298601160707192 -2.5212521236873E-8
node 6.075748863863402E-11 1.628610908224267E-9 -1.788050112341145E-6 5.32255622136761E-6 -5.333904465823968E-6 3.437137211755175E-8
peri -1.477123143055911E-8 -3.150098206580787E-7 .0003298601160707192 -5.333904465823968E-6 7.512568551983562E-6 -3.453361697583963E-8
i 1.524930946768278E-12 2.599056634754459E-11 -2.5212521236873E-8 3.437137211755175E-8 -3.453361697583963E-8 2.394758295487714E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.55   n/a MPO639391  

472235 Zhulong           Discovered 2014 Apr. 4 by Pan-STARRS 1 at Haleakala.
Zhulong ("Torch Dragon") is a mythological creature with a human face and scarlet serpent body. It controlled the day and night of the world by opening and closing its eyes. It is described in classic Chinese literature as shining a torch over "the ninefold darkness." Name suggested by students at the National Dali School.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2019-08-27Last Updated: 2019-09-23

Alternate Designations
 2014 GE45 = 2011 GY61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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