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(2018 YM2)
Classification: Apollo [NEO]          SPK-ID: 3837524
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580308530415029 8.0915e-07  
a 1.083268683786754 5.1988e-07 au
q .912078809614787 4.4012e-07 au
i 19.58160164346721 4.9579e-05 deg
node 278.3042862327889 4.1188e-06 deg
peri 248.9167948652889 4.8155e-05 deg
M 40.16167914951784 0.00028903 deg
tp 2458954.557770091174
(2020-Apr-15.05777009)
0.00029759 TDB
period 411.8155196052327
1.13
0.00029646
8.117e-07
d
yr
n .8741778365834703 6.293e-07 deg/d
Q 1.254458557958721 6.0203e-07 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      197 days  
   first obs. used      2018-12-28  
   last obs. used      2019-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .40703  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-16 06:15:16  

Additional Information
 Earth MOID = .0150034 au 
 Jupiter MOID = 3.81533 au 
 T_jup = 5.652 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458650.5 (2019-Jun-16.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158018805257536 8.0878e-07  
q .9121238884775184 4.3989e-07 au
tp 2458542.796772295598
(2019-Feb-28.29677230)
1.4607e-05 TDB
node 278.3097350211051 4.078e-06 deg
peri 248.9457556080883 4.786e-05 deg
i 19.58270069651723 4.9575e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      197 days  
   first obs. used      2018-12-28  
   last obs. used      2019-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .40703  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-16 06:15:16  

Additional Information
 Jupiter MOID = 3.81533 au 
 T_jup = 5.652 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.541259884574611E-13 -3.552380627179288E-13 -2.441333721859165E-13 1.816850289453976E-12 3.73791742247094E-11 3.909784658405468E-11
q -3.552380627179288E-13 1.934991960329484E-13 4.028654937927946E-13 -9.384459533419837E-13 -2.010133721486266E-11 -2.118239459784044E-11
tp -2.441333721859165E-13 4.028654937927946E-13 2.133529003081446E-10 3.098145676926213E-11 1.62084647653753E-10 3.013626385406949E-11
node 1.816850289453976E-12 -9.384459533419837E-13 3.098145676926213E-11 1.663005077481629E-11 1.227550526710226E-10 1.195935235346781E-10
peri 3.73791742247094E-11 -2.010133721486266E-11 1.62084647653753E-10 1.227550526710226E-10 2.290594675054684E-9 2.267818655764547E-9
i 3.909784658405468E-11 -2.118239459784044E-11 3.013626385406949E-11 1.195935235346781E-10 2.267818655764547E-9 2.457657797985008E-9

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 24.7   .57353 E2019A52 autocmod 2.6q

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