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 VR4)
Classification: Apollo [NEO]          SPK-ID: 54087807
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459167.5 (2020-Nov-14.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4835147498657056 0.00075856  
a 1.427432490214141 0.0015477 au
q .7372478267580694 0.00028347 au
i 4.236515408244688 0.0064485 deg
node 231.0887932809035 0.001401 deg
peri 259.0450556093483 0.0033151 deg
M 329.7658153478704 0.063926 deg
tp 2459219.815159496326
(2021-Jan-05.31515950)
0.025528 TDB
period 622.9193092313413
1.71
1.0131
0.002774
d
yr
n .5779239697100195 0.00093994 deg/d
Q 2.117617153670212 0.0022961 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      3 days  
   first obs. used      2020-11-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .36617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-16 05:23:07  

Additional Information
 Earth MOID = .00205766 au 
 Jupiter MOID = 2.96204 au 
 T_jup = 4.560 
[ 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 25.4   .49713 3 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-Dec-01 18:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin