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(2017 UM5)
Classification: Apollo [NEO]          SPK-ID: 3788029
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6664517897394389 0.00064638  
a 2.122022746822692 0.0034585 au
q .7077968893349088 0.00021806 au
i 5.630785560357071 0.0048911 deg
node 27.23003863564993 0.0059003 deg
peri 79.3644690061506 0.0065087 deg
M 287.1872245026722 0.70335 deg
tp 2459228.864485350489
(2021-Jan-14.36448535)
2.7642 TDB
period 1129.076788580777
3.09
2.7603
0.007557
d
yr
n .3188445672083222 0.00077949 deg/d
Q 3.536248604310475 0.0057634 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      4 days  
   first obs. used      2017-10-23  
   last obs. used      2017-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .428  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-28 06:43:12  

Additional Information
 Earth MOID = .00952789 au 
 Jupiter MOID = 1.68434 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458050.5 (2017-Oct-24.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .66399765164967 0.00062854  
q .7126990335179566 0.0001644 au
tp 2458098.123419443222
(2017-Dec-10.62341944)
0.015589 TDB
node 27.60450313871969 0.0007003 deg
peri 79.02145706467117 0.00087101 deg
i 5.664419969782853 0.004956 deg
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      4 days  
   first obs. used      2017-10-23  
   last obs. used      2017-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .428  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-28 06:43:12  

Additional Information
 Jupiter MOID = 1.68434 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.950582802879199E-7 -1.033285831038025E-7 -9.797985664374265E-6 -4.399419382334702E-7 5.368010041239369E-7 3.114690836971927E-6
q -1.033285831038025E-7 2.702738519468351E-8 2.562615682517001E-6 1.150515294463425E-7 -1.40610795393028E-7 -8.147296967943939E-7
tp -9.797985664374265E-6 2.562615682517001E-6 .0002430071532464546 1.091198090335249E-5 -1.330306297648583E-5 -7.724486196368625E-5
node -4.399419382334702E-7 1.150515294463425E-7 1.091198090335249E-5 4.904135921619095E-7 -5.958072037715353E-7 -3.46720107161131E-6
peri 5.368010041239369E-7 -1.40610795393028E-7 -1.330306297648583E-5 -5.958072037715353E-7 7.586632027136405E-7 4.24193117323704E-6
i 3.114690836971927E-6 -8.147296967943939E-7 -7.724486196368625E-5 -3.46720107161131E-6 4.24193117323704E-6 2.456174819721695E-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 25.6   n/a MPO421543  

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