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 ]  
74629 (1999 RB45)
Classification: Main-belt Asteroid          SPK-ID: 2074629
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2145362189835005 4.0464e-08  
a 2.370541552124252 9.4244e-09 au
q 1.861974530588236 9.8427e-08 au
i 1.908774566340545 5.6018e-06 deg
node 347.458848970334 0.00011849 deg
peri 40.77560834163685 0.00011911 deg
M 117.5982994750693 1.3484e-05 deg
tp 2458165.019887747706
(2018-Feb-15.51988775)
4.8493e-05 TDB
period 1333.121661712988
3.65
7.95e-06
2.177e-08
d
yr
n .2700428703089408 1.6104e-09 deg/d
Q 2.879108573660268 1.1446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      9144 days (25.03 yr)  
   first obs. used      1994-04-15  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:30:07  

Additional Information
 Earth MOID = .866551 au 
 Jupiter MOID = 2.57133 au 
 T_jup = 3.513 
[ 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 16.0   n/a MPO337820  
diameter diameter 1.529 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.362   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74629 (1999 RB45)          Discovered 1999-Sep-11 by Bernasconi, L. at St. Michel sur Me
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
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-16 13:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin