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 ]  
300390 (2007 RK208)
Classification: Main-belt Asteroid          SPK-ID: 2300390
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719024245116052 5.5488e-08  
a 2.41201115761155 1.4378e-08 au
q 1.997380591669081 1.2936e-07 au
i 3.094242468367293 5.3591e-06 deg
node 52.54426764857722 0.0001165 deg
peri 9.024301780550479 0.00011815 deg
M 95.8318931584799 2.042e-05 deg
tp 2458636.270630115224
(2019-Jun-01.77063012)
7.5948e-05 TDB
period 1368.256108033662
3.75
1.2234e-05
3.349e-08
d
yr
n .2631086372545857 2.3526e-09 deg/d
Q 2.826641723554018 1.685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      9991 days (27.35 yr)  
   first obs. used      1992-09-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:19:45  

Additional Information
 Earth MOID = 1.01032 au 
 Jupiter MOID = 2.49382 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457092.5 (2015-Mar-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703544235638181 5.5278e-08  
q 2.001753677780235 1.2862e-07 au
tp 2457266.839002086932
(2015-Sep-01.33900209)
7.1948e-05 TDB
node 52.57628804231417 0.00011659 deg
peri 8.897556338700689 0.00011829 deg
i 3.093588033530723 5.3537e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      9991 days (27.35 yr)  
   first obs. used      1992-09-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:19:45  

Additional Information
 Jupiter MOID = 2.49382 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.055701380229396E-15 -7.084807822199922E-15 4.73065951305545E-13 -1.080394796115218E-15 1.883891344060171E-14 -1.093519821242416E-15
q -7.084807822199922E-15 1.654435850749434E-14 -8.322031285722042E-13 2.734647830218723E-15 2.303047652472574E-14 2.288575424933257E-15
tp 4.73065951305545E-13 -8.322031285722042E-13 5.176524480207983E-9 4.101093910359998E-12 1.470357362752407E-9 -3.2041665546489E-12
node -1.080394796115218E-15 2.734647830218723E-15 4.101093910359998E-12 1.359277337084385E-8 -1.357104926684531E-8 2.598866755367663E-11
peri 1.883891344060171E-14 2.303047652472574E-14 1.470357362752407E-9 -1.357104926684531E-8 1.39919969106478E-8 -2.676886351037213E-11
i -1.093519821242416E-15 2.288575424933257E-15 -3.2041665546489E-12 2.598866755367663E-11 -2.676886351037213E-11 2.86616593142064E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO455217  

300390 (2007 RK208)          Discovered 2007-Sep-10 by Spacewatch at Kitt Peak
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2007 RK208 = 1992 SY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-07 02:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin