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 ]  
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599944160987614 4.1242e-08  
a 2.65754164814925 1.427e-08 au
q 2.23234982389547 1.0946e-07 au
i 11.49239717755696 4.4384e-06 deg
node 267.9095791452426 2.1089e-05 deg
peri 203.4613424942108 2.5396e-05 deg
M 273.40823514016 1.7098e-05 deg
tp 2459777.120904015482
(2022-Jul-16.62090402)
7.7008e-05 TDB
period 1582.408277130787
4.33
1.2746e-05
3.49e-08
d
yr
n .2275013378043938 1.8324e-09 deg/d
Q 3.082733472403029 1.6553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      9844 days (26.95 yr)  
   first obs. used      1994-07-07  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:32:48  

Additional Information
 Earth MOID = 1.25406 au 
 Jupiter MOID = 2.09437 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457406.5 (2016-Jan-19.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599360090036947 4.0926e-08  
q 2.233053289861994 1.0874e-07 au
tp 2458186.391508218380
(2018-Mar-08.89150822)
6.9937e-05 TDB
node 268.0186614086829 2.1028e-05 deg
peri 202.0286297091118 2.542e-05 deg
i 11.50907939079211 4.4418e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      9844 days (26.95 yr)  
   first obs. used      1994-07-07  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:32:48  

Additional Information
 Jupiter MOID = 2.09437 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.674947123481684E-15 -4.423246107412507E-15 5.102242616994132E-13 -3.285065164138547E-15 8.523036688326186E-14 -1.67586780724101E-16
q -4.423246107412507E-15 1.182511095638327E-14 -9.077940536947291E-13 7.806633884675986E-15 -1.491702184866971E-13 5.645631742405299E-16
tp 5.102242616994132E-13 -9.077940536947291E-13 4.891199057665405E-9 -1.048110647893771E-11 1.012781888845002E-9 -2.328964693664845E-12
node -3.285065164138547E-15 7.806633884675986E-15 -1.048110647893771E-11 4.421730545983278E-10 -4.352552146070419E-10 1.32834956375297E-11
peri 8.523036688326186E-14 -1.491702184866971E-13 1.012781888845002E-9 -4.352552146070419E-10 6.461770880042234E-10 -1.354440551002707E-11
i -1.67586780724101E-16 5.645631742405299E-16 -2.328964693664845E-12 1.32834956375297E-11 -1.354440551002707E-11 1.97297839671229E-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-Jul-28 05:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin