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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
74730 (1999 RU175)
Classification: Main-belt Asteroid          SPK-ID: 2074730
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320145260325965 3.2339e-08  
a 2.369831225305656 9.5449e-09 au
q 2.056979079319682 7.686e-08 au
i 1.98437553232145 4.114e-06 deg
node 236.3371444624799 0.00011124 deg
peri 238.1913617626812 0.00011272 deg
M 27.29017595913103 1.6413e-05 deg
tp 2458499.486739779922
(2019-Jan-15.98673978)		 6.0773e-05 TDB
period 1332.52250676899
3.65		 8.0505e-06
2.204e-08		 d
yr
n .2701642922886935 1.6322e-09 deg/d
Q 2.682683371291629 1.0805e-08 au
   Orbit Determination Parameters
   # obs. used (total)      930  
   data-arc span      8733 days (23.91 yr)  
   first obs. used      1995-06-04  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .502  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:39:37  

Additional Information
 Earth MOID = 1.07452 au 
 Jupiter MOID = 2.40889 au 
 T_jup = 3.533 
[ show covariance matrix ]

[ 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 15.6   n/a MPO426453  
diameter diameter 4.099 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74730 (1999 RU175)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RU175 = 2001 FL33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-13 05:59 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin