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(2015 WV12)
Classification: Apollo [NEO]          SPK-ID: 3735549
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3294813014705747 0.00016947  
a 1.434090357726332 0.00034459 au
q .9615844002362578 1.2185e-05 au
i 11.05209525115388 0.0042933 deg
node 66.02755124170193 5.5231e-05 deg
peri 329.6619486639642 0.00098043 deg
M 238.8295897515824 0.34754 deg
tp 2459211.633563649595
(2020-Dec-28.13356365)		 0.68168 TDB
period 627.2825416537444
1.72		 0.22609
0.000619		 d
yr
n .5739040641094671 0.00020685 deg/d
Q 1.906596315216405 0.00045813 au
   Orbit Determination Parameters
   # obs. used (total)      33  
   data-arc span      4 days  
   first obs. used      2015-11-30  
   last obs. used      2015-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36412  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:24  

Additional Information
 Earth MOID = .00751013 au 
 Jupiter MOID = 3.52393 au 
 T_jup = 4.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457357.5 (2015-Dec-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3300756843262742 0.00016867  
q .9612688239344532 1.0624e-05 au
tp 2457329.717108115082
(2015-Nov-03.21710812)		 0.0015813 TDB
node 66.06721077318886 0.00010479 deg
peri 329.5175198481201 0.00099471 deg
i 11.06886022005665 0.0042697 deg
   Orbit Determination Parameters
   # obs. used (total)      33  
   data-arc span      4 days  
   first obs. used      2015-11-30  
   last obs. used      2015-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36412  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:24  

Additional Information
 Jupiter MOID = 3.52393 au 
 T_jup = 4.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.84503890779151E-8 -1.753860668495299E-9 2.415824881088723E-7 -1.605981590744554E-8 -7.501038882865322E-8 7.200035036418811E-7
q -1.753860668495299E-9 1.128655151378625E-10 -1.343622520778983E-8 9.025410844861424E-10 6.560418868155256E-9 -4.450985011938671E-8
tp 2.415824881088723E-7 -1.343622520778983E-8 2.500373029069993E-6 -1.627026686403508E-7 -4.09514491573033E-8 6.073949394571621E-6
node -1.605981590744554E-8 9.025410844861424E-10 -1.627026686403508E-7 1.098138624362226E-8 6.923551809173504E-9 -4.037211753977396E-7
peri -7.501038882865322E-8 6.560418868155256E-9 -4.09514491573033E-8 6.923551809173504E-9 9.894578439362387E-7 -1.951341985179711E-6
i 7.200035036418811E-7 -4.450985011938671E-8 6.073949394571621E-6 -4.037211753977396E-7 -1.951341985179711E-6 1.823022857094664E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.9   n/a E2016A20  

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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