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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2020 HZ4)
Classification: Apollo [NEO]          SPK-ID: 54016716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7029876749791926 0.00074172  
a 2.565730457893394 0.0059454 au
q .7620535686756179 0.0001372 au
i 3.544232332034077 0.0021545 deg
node 66.83118462179173 0.008341 deg
peri 223.9438189547958 0.0088247 deg
M 91.67047534042679 0.31473 deg
tp 2459014.254876116179
(2020-Jun-13.75487612)
0.01626 TDB
period 1501.118479937565
4.11
5.2177
0.01429
d
yr
n .2398211765502836 0.00083358 deg/d
Q 4.369407347111171 0.010125 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      17 days  
   first obs. used      2020-04-16  
   last obs. used      2020-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .50121  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:25  

Additional Information
 Earth MOID = .0230789 au 
 Jupiter MOID = .876275 au 
 T_jup = 3.025 
[ 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 24.2   .37872 MPO546171 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 2021-Sep-23 13:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin