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 ]  
52299 (1991 NJ1)
Classification: Main-belt Asteroid          SPK-ID: 2052299
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2195298802280993 9.2145e-08  
a 2.239364959862622 1.383e-08 AU
q 1.747757438436978 2.081e-07 AU
i 6.161216822469507 1.0974e-05 deg
node 120.0819460394667 6.7501e-05 deg
peri 204.3072991130136 7.0935e-05 deg
M 166.0911541959156 2.1552e-05 deg
tp 2455835.784449847521
(2011-Oct-01.28444985)		 7.0746e-05 JED
period 1224.01219402142
3.35		 1.1339e-05
3.104e-08		 d
yr
n .2941147169598379 2.7247e-09 deg/d
Q 2.730972481288267 1.6867e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      7949 days (21.76 yr)  
   first obs. used      1991-07-12  
   last obs. used      2013-04-16  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .62533  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 16:24:51  

Additional Information
 Earth MOID = .737294 AU 
 T_jup = 3.596 
[ 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 15.698 mag .5389 1 autocmod 2.5c

52299 (1991 NJ1)          Discovered 1991-Jul-12 by Holt, H. E. at Palomar (675)
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2013-Jun-20 04:52 UT
(server date/time)   		NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster:   Alan B. Chamberlin