Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(2017 HG4)
Classification: Aten [NEO]          SPK-ID: 3774114
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866993935568791 5.7654e-05  
a .8622970015073602 3.7781e-05 au
q .7013066742600208 8.0441e-05 au
i 2.983732154065701 0.0011318 deg
node 210.7423969809283 0.0003775 deg
peri 204.8056823561547 0.0016921 deg
M 349.518114602544 0.10688 deg
tp 2459209.015705760971
(2020-Dec-25.51570576)
0.08739 TDB
period 292.4716267832553
0.80
0.019221
5.262e-05
d
yr
n 1.23088862998252 8.0895e-05 deg/d
Q 1.0232873287547 4.4834e-05 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      31 days  
   first obs. used      2017-04-26  
   last obs. used      2017-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47971  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-29 06:18:06  

Additional Information
 Earth MOID = .00219231 au 
 Jupiter MOID = 4.18598 au 
 T_jup = 6.833 
[ 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 27.7   n/a MPO411588  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-14 00:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin