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 ]  
154854 (2004 RT65)
Classification: Main-belt Asteroid          SPK-ID: 2154854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08542840996184281 6.4891e-08  
a 3.167880443509719 3.2138e-08 au
q 2.897253454271466 2.1622e-07 au
i 7.995859425104919 7.012e-06 deg
node 357.2371764703116 3.3189e-05 deg
peri 10.25532767060585 4.4042e-05 deg
M 279.1421747270457 3.1315e-05 deg
tp 2459463.063283206842
(2021-Sep-05.56328321)
0.00018343 TDB
period 2059.451653471098
5.64
3.134e-05
8.58e-08
d
yr
n .1748038121668158 2.6601e-09 deg/d
Q 3.438507432747972 3.4884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:59:14  

Additional Information
 Earth MOID = 1.89603 au 
 Jupiter MOID = 2.01636 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08760709957403735 6.4541e-08  
q 2.885675777424977 2.1435e-07 au
tp 2457417.708669020171
(2016-Jan-30.20866902)
0.00016352 TDB
node 357.3875234268403 3.3168e-05 deg
peri 11.88345373234897 4.3728e-05 deg
i 8.002594427443283 7.019e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:59:14  

Additional Information
 Jupiter MOID = 2.01636 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.165578959835176E-15 -1.371586198199631E-14 -1.257711211373405E-12 -1.189407246467509E-14 -1.864773251610263E-13 -5.120004636815593E-15
q -1.371586198199631E-14 4.5944119680956E-14 6.255624148121963E-12 3.709569089009527E-14 9.506862317093303E-13 1.702643584352389E-14
tp -1.257711211373405E-12 6.255624148121963E-12 2.673859029718508E-8 1.122315943946523E-11 4.675056577085359E-9 -2.188605249716455E-13
node -1.189407246467509E-14 3.709569089009527E-14 1.122315943946523E-11 1.100148541002721E-9 -1.087097680230778E-9 5.26606704903232E-11
peri -1.864773251610263E-13 9.506862317093303E-13 4.675056577085359E-9 -1.087097680230778E-9 1.912147963976991E-9 -5.223937598314019E-11
i -5.120004636815593E-15 1.702643584352389E-14 -2.188605249716455E-13 5.26606704903232E-11 -5.223937598314019E-11 4.926581729691874E-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 14.8   n/a MPO436784  
diameter diameter 6.678 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154854 (2004 RT65)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-12 00:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin