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 ]  
74702 (1999 RQ146)
Classification: Main-belt Asteroid          SPK-ID: 2074702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864775176392643 4.0754e-08  
a 2.227555488787819 8.4626e-09 au
q 1.812166470834949 9.0223e-08 au
i 5.907965445837718 4.9627e-06 deg
node 304.0472256444731 5.2718e-05 deg
peri 351.226884903603 5.5456e-05 deg
M 117.0696827468938 1.7323e-05 deg
tp 2458605.603609326848
(2019-May-02.10360933)
5.8464e-05 TDB
period 1214.342580475702
3.32
6.92e-06
1.895e-08
d
yr
n .29645670487728 1.6894e-09 deg/d
Q 2.64294450674069 1.0041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      7507 days (20.55 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:20:53  

Additional Information
 Earth MOID = .796481 au 
 Jupiter MOID = 2.55846 au 
 T_jup = 3.615 
[ 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 15.7   n/a MPO502608  

74702 (1999 RQ146)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RQ146 = 2001 BH50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-19 03:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin