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 RA)
Classification: Apollo [NEO]          SPK-ID: 3827149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4637771836317947 0.00020366  
a 1.882643981247045 0.0007165 au
q 1.009516657842942 8.1608e-07 au
i 4.428898804363635 0.0014418 deg
node 336.4009594865755 4.0715e-05 deg
peri 13.49340568997305 0.00078599 deg
M 239.6012454955411 0.13639 deg
tp 2459316.051479452727
(2021-Apr-11.55147945)
0.53761 TDB
period 943.5191673745642
2.58
0.53863
0.001475
d
yr
n .3815502773533851 0.00021782 deg/d
Q 2.755771304651149 0.0010488 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3 days  
   first obs. used      2018-09-01  
   last obs. used      2018-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38171  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-14 07:26:56  

Additional Information
 Earth MOID = .0076268 au 
 Jupiter MOID = 2.68436 au 
 T_jup = 3.826 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458364.5 (2018-Sep-03.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4663937422904333 0.00020146  
q 1.010286315335478 1.6445e-06 au
tp 2458372.406437081048
(2018-Sep-10.90643708)
0.0012297 TDB
node 336.4801455131844 0.00010248 deg
peri 13.35484312210818 0.0006321 deg
i 4.458212838154331 0.0014128 deg
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3 days  
   first obs. used      2018-09-01  
   last obs. used      2018-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38171  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-14 07:26:56  

Additional Information
 Jupiter MOID = 2.68436 au 
 T_jup = 3.826 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.058549187690077E-8 3.289310932662186E-10 -2.446567915782518E-7 -1.919218111802171E-8 -1.16036807288833E-7 2.845279542801554E-7
q 3.289310932662186E-10 2.704266936559036E-12 -2.020529046141492E-9 -1.497136511262966E-10 -9.907851871283725E-10 2.311038962575486E-9
tp -2.446567915782518E-7 -2.020529046141492E-9 1.512247819651957E-6 1.097240194083631E-7 7.496759021305503E-7 -1.720175060364231E-6
node -1.919218111802171E-8 -1.497136511262966E-10 1.097240194083631E-7 1.050155050328674E-8 4.638873066870913E-8 -1.332438603837401E-7
peri -1.16036807288833E-7 -9.907851871283725E-10 7.496759021305503E-7 4.638873066870913E-8 3.995529455040128E-7 -8.206822036691127E-7
i 2.845279542801554E-7 2.311038962575486E-9 -1.720175060364231E-6 -1.332438603837401E-7 -8.206822036691127E-7 1.996089124859521E-6

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 26.7   .21998 MPO452087 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 2020-Nov-24 07:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin