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 ]  
(2020 HF)
Classification: Aten [NEO]          SPK-ID: 54016545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2782983891341083 0.00018118  
a .8822169073485275 3.0486e-05 au
q .6366973631665576 0.00018163 au
i .3150106858075964 0.00016029 deg
node 269.1207539399487 0.064024 deg
peri 72.7579458045156 0.066022 deg
M 304.4596221281776 0.025368 deg
tp 2459047.194724907261
(2020-Jul-16.69472491)
0.023707 TDB
period 302.6645048294212
0.83
0.015688
4.295e-05
d
yr
n 1.189435808480061 6.1653e-05 deg/d
Q 1.127736451530498 3.897e-05 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      2 days  
   first obs. used      2020-04-16  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .51659  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-18 07:44:17  

Additional Information
 Earth MOID = .00190007 au 
 Jupiter MOID = 4.21904 au 
 T_jup = 6.689 
[ 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 25.181   .33783 2 autocmod 2.8

[ 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 2020-Nov-27 18:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin