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478784 (2012 UV136)
Classification: Apollo [NEO]          SPK-ID: 2478784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397337534961151 6.0457e-08  
a 1.005276754386979 9.646e-09 au
q .864805660194094 5.4652e-08 au
i 2.122867612789826 1.5447e-06 deg
node 208.2728555306902 1.9044e-05 deg
peri 288.8981373236743 2.0465e-05 deg
M 293.1088725477167 1.8946e-05 deg
tp 2459268.905796250958
(2021-Feb-23.40579625)
2.0247e-05 TDB
period 368.1517652384004
1.01
5.2988e-06
1.451e-08
d
yr
n .9778575956762787 1.4074e-08 deg/d
Q 1.145747848579864 1.0994e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -7.46300000193217E-14 1.935E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      2799 days (7.66 yr)  
   first obs. used      2012-10-22  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47576  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:51:12  

Additional Information
 Earth MOID = .0100309 au 
 Jupiter MOID = 3.85369 au 
 T_jup = 6.046 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457862.5 (2017-Apr-19.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389274515036231 6.1073e-08  
q .8676836289886027 5.8754e-08 au
tp 2457794.960179780181
(2017-Feb-10.46017978)
8.3055e-06 TDB
node 210.1714516879568 1.7086e-05 deg
peri 289.0648838512053 1.8373e-05 deg
i 2.211556599405341 1.5344e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -7.46300000193217E-14 1.935E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      2799 days (7.66 yr)  
   first obs. used      2012-10-22  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47576  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:51:12  

Additional Information
 Jupiter MOID = 3.85369 au 
 T_jup = 6.046 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 3.729953267795033E-15 -3.587883704652157E-15 3.026699097154966E-13 3.706206447422997E-13 -1.444426538122327E-13 5.074862352774056E-14 2.867046389475641E-22
q -3.587883704652157E-15 3.452083088249757E-15 -2.928493371628063E-13 -3.558806624962934E-13 1.389575919751944E-13 -4.866299083273127E-14 -2.601712253066288E-22
tp 3.026699097154966E-13 -2.928493371628063E-13 6.898177043279489E-11 -8.967071794727212E-12 5.488744436546557E-11 1.237398555665703E-12 -4.95203746062715E-20
node 3.706206447422997E-13 -3.558806624962934E-13 -8.967071794727212E-12 2.91931729960232E-10 -2.96508710008828E-10 1.818786248140825E-11 7.878429712610673E-20
peri -1.444426538122327E-13 1.389575919751944E-13 5.488744436546557E-11 -2.96508710008828E-10 3.375569335185118E-10 -1.652342495378624E-11 -7.291387769777367E-20
i 5.074862352774056E-14 -4.866299083273127E-14 1.237398555665703E-12 1.818786248140825E-11 -1.652342495378624E-11 2.354514210367916E-12 1.046500298821446E-20
A2 2.867046389475641E-22 -2.601712253066288E-22 -4.95203746062715E-20 7.878429712610673E-20 -7.291387769777367E-20 1.046500298821446E-20 3.746061639004774E-28

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 25.59   n/a E2021B69  

478784 (2012 UV136)          Discovered 2012-Oct-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-11-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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