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(2015 SE20)
Classification: Mars-crossing Asteroid          SPK-ID: 3729097
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5125415657889617 1.1871e-06  
a 2.924744733155778 7.8917e-08 au
q 1.425691488091097 3.4982e-06 au
i 37.13089993695852 7.6928e-05 deg
node 190.3873010116649 0.00010725 deg
peri 164.6666486253224 0.00023261 deg
M 32.24905442291907 4.9807e-05 deg
tp 2459036.839127309706
(2020-Jul-06.33912731)
0.0002494 TDB
period 1826.965634274028
5.00
7.3944e-05
2.024e-07
d
yr
n .1970480414334949 7.9753e-09 deg/d
Q 4.42379797822046 1.1937e-07 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      1846 days (5.05 yr)  
   first obs. used      2015-09-22  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59106  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 14:41:52  

Additional Information
 Earth MOID = .435633 au 
 Jupiter MOID = 1.1709 au 
 T_jup = 2.806 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457989.5 (2017-Aug-24.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5135984297236418 1.1646e-06  
q 1.420806867899189 3.4126e-06 au
tp 2457213.110723733944
(2015-Jul-09.61072373)
0.0002304 TDB
node 190.4159334235644 0.00010772 deg
peri 164.7541326626376 0.0002323 deg
i 37.1829923314257 7.7828e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      1846 days (5.05 yr)  
   first obs. used      2015-09-22  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59106  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 14:41:52  

Additional Information
 Jupiter MOID = 1.1709 au 
 T_jup = 2.806 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.356373311127093E-12 -3.974302962998506E-12 -1.972723777406057E-10 -1.130258719739567E-10 -2.515040336050221E-10 -7.943447586294754E-11
q -3.974302962998506E-12 1.164593804526078E-11 5.754691233893501E-10 3.31234434626538E-10 7.360714845923236E-10 2.327376084042475E-10
tp -1.972723777406057E-10 5.754691233893501E-10 5.308495673560781E-8 1.365731664735906E-8 4.857457709969573E-8 9.807431092185911E-9
node -1.130258719739567E-10 3.31234434626538E-10 1.365731664735906E-8 1.160460859432957E-8 1.807331443116747E-8 8.219951297647857E-9
peri -2.515040336050221E-10 7.360714845923236E-10 4.857457709969573E-8 1.807331443116747E-8 5.396210861231167E-8 1.272217983819489E-8
i -7.943447586294754E-11 2.327376084042475E-10 9.807431092185911E-9 8.219951297647857E-9 1.272217983819489E-8 6.057192473940649E-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 18.6   n/a E2015T31  

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