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 ]  
175965 (2000 JR81)
Classification: Main-belt Asteroid          SPK-ID: 2175965
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381162848663606 4.1365e-08  
a 2.537815454512099 1.325e-08 au
q 2.187301812258454 1.0613e-07 au
i 3.323320907496855 8.5096e-06 deg
node 37.01364072115022 0.00012353 deg
peri 244.8647808199746 0.00012995 deg
M 338.4200792856453 4.1006e-05 deg
tp 2459289.018863121277
(2021-Mar-15.51886312)
0.00016834 TDB
period 1476.687108607515
4.04
1.1564e-05
3.166e-08
d
yr
n .2437889502126638 1.9092e-09 deg/d
Q 2.888329096765745 1.508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      10255 days (28.08 yr)  
   first obs. used      1992-04-24  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:53:59  

Additional Information
 Earth MOID = 1.17155 au 
 Jupiter MOID = 2.24363 au 
 T_jup = 3.431 
[ 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 16.41   n/a E2021B55  

175965 (2000 JR81)          Discovered 2000-May-07 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 2000 JR81 = 2001 SJ213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-13 12:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin