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 ]  
(2018 CH2)
Classification: Apollo [NEO]          SPK-ID: 3799274
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5357430767068511 0.00026451  
a 2.077779184202162 0.0011636 au
q .9646233713402449 9.3831e-06 au
i 5.46603470491725 0.0019015 deg
node 324.2302372901115 0.00015542 deg
peri 202.24474825519 0.0005817 deg
M 335.9807636840976 0.2813 deg
tp 2459273.488461220354
(2021-Feb-27.98846122)
0.91611 TDB
period 1093.950102898611
3.00
0.91895
0.002516
d
yr
n .3290826510698407 0.00027644 deg/d
Q 3.19093499706408 0.001787 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      5 days  
   first obs. used      2018-02-08  
   last obs. used      2018-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .58988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:22:01  

Additional Information
 Earth MOID = .00153922 au 
 Jupiter MOID = 1.80051 au 
 T_jup = 3.567 
[ 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 28.0   n/a MPO435639  

[ 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-17 04:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin