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 ]  
78501 (2002 RA77)
Classification: Main-belt Asteroid          SPK-ID: 2078501
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374781872047661 6.3742e-08  
a 3.018490152519411 2.3045e-08 au
q 2.603513598255605 1.8619e-07 au
i 6.816480141446122 6.2821e-06 deg
node 336.6918574205121 4.2385e-05 deg
peri 21.75282728808941 4.7149e-05 deg
M 126.7121366179126 2.0491e-05 deg
tp 2458326.284418358899
(2018-Jul-26.78441836)
0.0001074 TDB
period 1915.504038280772
5.24
2.1936e-05
6.006e-08
d
yr
n .187940089295302 2.1523e-09 deg/d
Q 3.433466706783218 2.6213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      9623 days (26.35 yr)  
   first obs. used      1994-01-08  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57016  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:37  

Additional Information
 Earth MOID = 1.60083 au 
 Jupiter MOID = 2.01479 au 
 T_jup = 3.222 
[ 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 14.9   n/a MPO337847  

78501 (2002 RA77)          Discovered 2002-Sep-05 by LINEAR at Socorro
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 2020-Nov-26 19:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin