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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 ]

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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 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397337569709114 5.1348e-08  
a 1.005276754718396 6.5509e-09 au
q .8648056569860688 4.8071e-08 au
i 2.12286779167528 1.4778e-06 deg
node 208.2728556979624 1.8926e-05 deg
peri 288.898138105759 2.0225e-05 deg
M 293.1088710966457 1.4274e-05 deg
tp 2459268.905797768715
(2021-Feb-23.40579777)
1.5122e-05 TDB
period 368.1517654204573
1.01
3.5986e-06
9.852e-09
d
yr
n .9778575951927125 9.5584e-09 deg/d
Q 1.145747852450722 7.4663e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -7.565106983376461E-14 1.648E-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)      148  
   data-arc span      3146 days (8.61 yr)  
   first obs. used      2012-10-22  
   last obs. used      2021-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-03 05:50:58  

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 2457878.5 (2017-May-05.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389167256877092 5.1943e-08  
q .8676589984792493 5.0238e-08 au
tp 2457794.948141641718
(2017-Feb-10.44814164)
7.8687e-06 TDB
node 210.1713403400412 1.693e-05 deg
peri 289.0494850721579 1.8348e-05 deg
i 2.211551291463164 1.4473e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -7.565106983376461E-14 1.648E-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)      148  
   data-arc span      3146 days (8.61 yr)  
   first obs. used      2012-10-22  
   last obs. used      2021-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-03 05:50:58  

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 2.698089560872929E-15 -2.609213589794389E-15 2.198638379223997E-13 2.969389598063746E-13 -1.622044763879636E-13 3.465292100641914E-14 -3.47732101570529E-23
q -2.609213589794389E-15 2.52386742092696E-15 -2.144678834119724E-13 -2.858176884852436E-13 1.5553996415632E-13 -3.337513683927266E-14 4.492370488091033E-23
tp 2.198638379223997E-13 -2.144678834119724E-13 6.191702143222693E-11 -1.466097961602024E-11 5.295507174478239E-11 -1.007227984355446E-13 -7.437607648083409E-20
node 2.969389598063746E-13 -2.858176884852436E-13 -1.466097961602024E-11 2.86616667215574E-10 -2.975471369079543E-10 1.706377549480421E-11 5.536727406424205E-20
peri -1.622044763879636E-13 1.5553996415632E-13 5.295507174478239E-11 -2.975471369079543E-10 3.366473379451236E-10 -1.684717606846861E-11 -7.743782420220389E-20
i 3.465292100641914E-14 -3.337513683927266E-14 -1.007227984355446E-13 1.706377549480421E-11 -1.684717606846861E-11 2.094763646171926E-12 5.606299807722952E-21
A2 -3.47732101570529E-23 4.492370488091033E-23 -7.437607648083409E-20 5.536727406424205E-20 -7.743782420220389E-20 5.606299807722952E-21 2.715187813390905E-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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