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 ]  
160649 (1999 XR74)
Classification: Main-belt Asteroid          SPK-ID: 2160649
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2981148365690001 3.9692e-08  
a 2.588397493246248 1.6329e-08 au
q 1.816757797571534 1.042e-07 au
i 3.539269063878941 4.7729e-06 deg
node 229.3866291151266 9.1219e-05 deg
peri 169.4783728510862 9.2325e-05 deg
M 351.7196386353556 2.023e-05 deg
tp 2459035.485788974030
(2020-Jul-04.98578897)
8.5767e-05 TDB
period 1521.054876231439
4.16
1.4393e-05
3.941e-08
d
yr
n .236677851421071 2.2396e-09 deg/d
Q 3.360037188920963 2.1197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      6741 days (18.46 yr)  
   first obs. used      1999-10-12  
   last obs. used      2018-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5051  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 15:40:57  

Additional Information
 Earth MOID = .824755 au 
 Jupiter MOID = 2.06942 au 
 T_jup = 3.354 
[ 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 MPO417855  

160649 (1999 XR74)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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-Jul-05 17:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin