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 ]  
117187 (2004 RH99)
Classification: Main-belt Asteroid          SPK-ID: 2117187
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729273523390064 4.9114e-08  
a 2.398613144198828 9.7936e-09 au
q 1.983827323886985 1.1907e-07 au
i 2.114374513235629 4.8161e-06 deg
node 237.9199954416496 0.00011979 deg
peri 160.8491431320338 0.00012046 deg
M 47.15088215488257 1.1235e-05 deg
tp 2458822.784191194444
(2019-Dec-05.28419119)		 4.2383e-05 TDB
period 1356.871563077962
3.71		 8.3102e-06
2.275e-08		 d
yr
n .2653161948381959 1.6249e-09 deg/d
Q 2.81339896451067 1.1487e-08 au
   Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      9602 days (26.29 yr)  
   first obs. used      1993-10-12  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:44:11  

Additional Information
 Earth MOID = .991673 au 
 Jupiter MOID = 2.59757 au 
 T_jup = 3.506 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO449685  

117187 (2004 RH99)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 RH99 = 1993 TM47 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 00:34 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin