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 RM4)
Classification: Apollo [NEO]          SPK-ID: 3827567
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.


Orbital Elements at Epoch 2458372.5 (2018-Sep-11.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5852088374612252 0.0025756  
a 2.205908909605208 0.013113 au
q .9149915210697853 0.00024234 au
i 1.59268038013291 0.0054424 deg
node 241.5370308424534 0.063112 deg
peri 156.4082869680358 0.061579 deg
M 348.1787661118368 0.11514 deg
tp 2458411.795253825561
(2018-Oct-20.29525383)
0.032339 TDB
period 1196.684839419923
3.28
10.671
0.02922
d
yr
n .3008310861316711 0.0026825 deg/d
Q 3.496826298140631 0.020787 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      4 days  
   first obs. used      2018-09-10  
   last obs. used      2018-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .32183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:38:57  

Additional Information
 Earth MOID = .00597392 au 
 Jupiter MOID = 1.93883 au 
 T_jup = 3.414 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 6.633777660574723E-6 -6.239880386817976E-7 -8.328263632635758E-5 .0001551017831397726 -.0001501861105464305 1.401437969325806E-5
q -6.239880386817976E-7 5.87287204664857E-8 7.83067241659289E-6 -1.448226833906294E-5 1.401420739395598E-5 -1.318885561920989E-6
tp -8.328263632635758E-5 7.83067241659289E-6 .001045834000476203 -.001956317876229734 .001895110328186805 -.0001758842206295526
node .0001551017831397726 -1.448226833906294E-5 -.001956317876229734 .003983166758339943 -.003885287738752533 .0003254590395706632
peri -.0001501861105464305 1.401420739395598E-5 .001895110328186805 -.003885287738752533 .003791979319171825 -.0003149682814200219
i 1.401437969325806E-5 -1.318885561920989E-6 -.0001758842206295526 .0003254590395706632 -.0003149682814200219 2.962023810164158E-5

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 25.6   .52076 MPO452105 autocmod 2.6n

[ 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-Jun-19 17:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin