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 ]  
190973 (2001 XR77)
Classification: Main-belt Asteroid          SPK-ID: 2190973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02862268055152946 5.9891e-08  
a 2.14942939864686 1.3943e-08 au
q 2.087906967601325 1.3297e-07 au
i 3.305442991952431 6.8836e-06 deg
node 119.6736143559136 7.1391e-05 deg
peri 340.6510379264665 0.00014212 deg
M 344.2147409021042 0.00011668 deg
tp 2459250.969896925429
(2021-Feb-05.46989693)
0.00037282 TDB
period 1151.020884768152
3.15
1.12e-05
3.066e-08
d
yr
n .3127658279393549 3.0433e-09 deg/d
Q 2.210951829692395 1.4342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7001 days (19.17 yr)  
   first obs. used      2001-12-11  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57575  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:52  

Additional Information
 Earth MOID = 1.10493 au 
 Jupiter MOID = 2.8014 au 
 T_jup = 3.704 
[ 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 17.59   n/a MPCxxxxx  

190973 (2001 XR77)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2001 XR77 = 2006 HW47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-14 12:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin