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(2017 GM4)
Classification: Apollo [NEO, PHA]          SPK-ID: 3773760
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5992659569656102 8.783e-05  
a 1.703485427746195 0.00028908 au
q .6826446027108998 3.3775e-05 au
i 4.229476865321036 0.00059147 deg
node 205.3985047424921 0.00026064 deg
peri 84.80032458981616 0.00026393 deg
M 122.0995650704942 0.12327 deg
tp 2458725.065918793728
(2019-Aug-29.56591879)
0.20796 TDB
period 812.0935498583461
2.22
0.20672
0.000566
d
yr
n .443298681614692 0.00011284 deg/d
Q 2.724326252781491 0.00046232 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      35 days  
   first obs. used      2017-03-17  
   last obs. used      2017-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .4133  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Mar-17 07:26:20  

Additional Information
 Earth MOID = .00399835 au 
 Jupiter MOID = 2.50677 au 
 T_jup = 3.968 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457845.5 (2017-Apr-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5986567184766862 8.8513e-05  
q .6827788868751189 3.2321e-05 au
tp 2457913.216155360093
(2017-Jun-08.71615536)
0.0028409 TDB
node 205.4432245910261 0.00025848 deg
peri 84.7899633443247 0.00039527 deg
i 4.231947103075525 0.00059065 deg
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      35 days  
   first obs. used      2017-03-17  
   last obs. used      2017-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .4133  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Mar-17 07:26:20  

Additional Information
 Jupiter MOID = 2.50677 au 
 T_jup = 3.968 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.834465978162017E-9 -2.860679830562253E-9 -2.514532493263135E-7 -2.279827095807984E-8 3.457524289216173E-8 5.227130622406098E-8
q -2.860679830562253E-9 1.044677749001332E-9 9.180998302866717E-8 8.326238987180156E-9 -1.264502938924016E-8 -1.908736191982048E-8
tp -2.514532493263135E-7 9.180998302866717E-8 8.07087150122488E-6 7.316483643380609E-7 -1.108788462285362E-6 -1.67763684507923E-6
node -2.279827095807984E-8 8.326238987180156E-9 7.316483643380609E-7 6.681088534778417E-8 -1.013223571177571E-7 -1.522467051021819E-7
peri 3.457524289216173E-8 -1.264502938924016E-8 -1.108788462285362E-6 -1.013223571177571E-7 1.562375374679705E-7 2.309696107502455E-7
i 5.227130622406098E-8 -1.908736191982048E-8 -1.67763684507923E-6 -1.522467051021819E-7 2.309696107502455E-7 3.488721641117514E-7

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 22.0   n/a MPO473469  
rotation period rot_per 2.878 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.]

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