Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
43812 (1991 RJ29)
Classification: Main-belt Asteroid          SPK-ID: 2043812
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023631836087482 6.7624e-08  
a 3.157143826932301 3.5548e-08 AU
q 2.518254151003574 2.1988e-07 AU
i 12.57014599899141 9.2971e-06 deg
node 292.8874972713303 3.6184e-05 deg
peri 95.76951823779444 4.4557e-05 deg
M 41.58626867935077 2.3572e-05 deg
tp 2456763.805900386820
(2014-Apr-16.30590039)
0.00013381 JED
period 2048.990654048623
5.61
3.4606e-05
9.475e-08
d
yr
n .1756962625908869 2.9674e-09 deg/d
Q 3.796033502861029 4.2741e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      8535 days (23.37 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47189  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:13:39  

Additional Information
 Earth MOID = 1.56183 AU 
 T_jup = 3.137 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6 mag n/a MPO275775  

43812 (1991 RJ29)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RJ29 = 1996 TL54 = 1999 CO80 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-31 09:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin