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 ]  
101831 (1999 JO40)
Classification: Main-belt Asteroid          SPK-ID: 2101831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0773563230120218 4.2002e-08  
a 2.610219941315984 1.3844e-08 au
q 2.408302924403124 1.0499e-07 au
i 13.97942659446879 5.637e-06 deg
node 57.29143523326997 1.7638e-05 deg
peri 75.77471054557616 4.4427e-05 deg
M 130.965229950523 3.9531e-05 deg
tp 2458640.139401120552
(2019-Jun-05.63940112)
0.00016815 TDB
period 1540.331091487506
4.22
1.2254e-05
3.355e-08
d
yr
n .2337159861211048 1.8593e-09 deg/d
Q 2.812136958228844 1.4915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      7718 days (21.13 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57412  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:51  

Additional Information
 Earth MOID = 1.46695 au 
 Jupiter MOID = 2.31568 au 
 T_jup = 3.364 
[ 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 14.87   n/a E2021B55  

101831 (1999 JO40)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JO40 = 2001 VS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 03:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin