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 ]  
102142 (1999 RB185)
Classification: Main-belt Asteroid          SPK-ID: 2102142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .275731501480619 4.8112e-08  
a 2.595024603550071 1.0539e-08 au
q 1.879494573234062 1.252e-07 au
i 5.38165531440221 3.3303e-06 deg
node 114.9646857208473 5.8723e-05 deg
peri 253.3729671823576 5.9329e-05 deg
M 22.92285994337659 6.8717e-06 deg
tp 2459103.275225021661
(2020-Sep-10.77522502)
2.928e-05 TDB
period 1526.90018080904
4.18
9.302e-06
2.547e-08
d
yr
n .2357717973477815 1.4363e-09 deg/d
Q 3.31055463386608 1.3445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      10611 days (29.05 yr)  
   first obs. used      1991-12-28  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:39  

Additional Information
 Earth MOID = .885498 au 
 Jupiter MOID = 2.17079 au 
 T_jup = 3.357 
[ 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 16.39   n/a E2021B55  

102142 (1999 RB185)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-04 20:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin