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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
66615 (1999 RJ200)
Classification: Main-belt Asteroid          SPK-ID: 2066615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599944130608318 4.1047e-08  
a 2.657541647176112 1.4215e-08 au
q 2.232349831151454 1.0904e-07 au
i 11.49239751093647 4.4256e-06 deg
node 267.9095798128324 2.1079e-05 deg
peri 203.4613411810576 2.5374e-05 deg
M 273.4082362706047 1.704e-05 deg
tp 2459777.120898837460
(2022-Jul-16.62089884)
7.6735e-05 TDB
period 1582.408276261619
4.33
1.2697e-05
3.476e-08
d
yr
n .2275013379293533 1.8254e-09 deg/d
Q 3.08273346320077 1.649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1370  
   data-arc span      9895 days (27.09 yr)  
   first obs. used      1994-07-07  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:06  

Additional Information
 Earth MOID = 1.25406 au 
 Jupiter MOID = 2.09437 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599258891052908 4.0736e-08  
q 2.233099435273407 1.0833e-07 au
tp 2458186.405271571055
(2018-Mar-08.90527157)
6.9733e-05 TDB
node 268.0184537431803 2.1018e-05 deg
peri 202.0294060872418 2.5398e-05 deg
i 11.50898940330502 4.4291e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1370  
   data-arc span      9895 days (27.09 yr)  
   first obs. used      1994-07-07  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:06  

Additional Information
 Jupiter MOID = 2.09437 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.659387176726394E-15 -4.386080914398525E-15 4.890008454909393E-13 -3.247603813703886E-15 8.197708370466607E-14 -1.78030903303526E-16
q -4.386080914398525E-15 1.173637617075034E-14 -8.57028583936935E-13 7.723836657119379E-15 -1.413978218088513E-13 5.920214415816627E-16
tp 4.890008454909393E-13 -8.57028583936935E-13 4.862760349951028E-9 -1.029410249492522E-11 1.008310189860855E-9 -2.27605177505048E-12
node -3.247603813703886E-15 7.723836657119379E-15 -1.029410249492522E-11 4.417713654682241E-10 -4.348244849318257E-10 1.306937250546172E-11
peri 8.197708370466607E-14 -1.413978218088513E-13 1.008310189860855E-9 -4.348244849318257E-10 6.450731407928927E-10 -1.332188303628107E-11
i -1.78030903303526E-16 5.920214415816627E-16 -2.27605177505048E-12 1.306937250546172E-11 -1.332188303628107E-11 1.961671369175981E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.33   n/a E2021B10  
diameter diameter 8.972 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 207.485 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.038   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66615 (1999 RJ200)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RJ200 = 2000 YE103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-24 21:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin