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(2017 NH)
Classification: Apollo [NEO, PHA]          SPK-ID: 3776295
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3297648943338367 9.9534e-08  
a 1.393848293821054 1.564e-07 au
q .9342060584917558 5.6752e-08 au
i 6.250058303778845 7.8589e-06 deg
node 269.5346269534343 2.1487e-05 deg
peri 71.79311017967919 2.2953e-05 deg
M 244.5941763088635 0.00010054 deg
tp 2459193.184558780179
(2020-Dec-09.68455878)
0.00020027 TDB
period 601.0653443842798
1.65
0.00010117
2.77e-07
d
yr
n .5989365438607633 1.0081e-07 deg/d
Q 1.853490529150353 2.0798e-07 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      988 days (2.70 yr)  
   first obs. used      2017-07-01  
   last obs. used      2020-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .27288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-15 08:12:11  

Additional Information
 Earth MOID = .0411007 au 
 Jupiter MOID = 3.56162 au 
 T_jup = 4.705 
[ show covariance matrix ]

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 21.5   n/a MPO435134  
rotation period rot_per 2.481 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 19-34.]

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