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 ]  
101929 (1999 RP20)
Classification: Outer Main-belt Asteroid          SPK-ID: 2101929
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586501702039197 5.2731e-08  
a 3.201944813786486 2.6424e-08 au
q 2.693955724095702 1.6979e-07 au
i 16.67973701856542 6.2713e-06 deg
node 346.5421949497395 1.8369e-05 deg
peri 62.75869848201064 2.707e-05 deg
M 219.8117654100971 2.0899e-05 deg
tp 2460015.444919212905
(2023-Mar-11.94491921)
0.00012716 TDB
period 2092.758866497464
5.73
2.5905e-05
7.092e-08
d
yr
n .172021729671375 2.1294e-09 deg/d
Q 3.70993390347727 3.0616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5553  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:27  

Additional Information
 Earth MOID = 1.74722 au 
 Jupiter MOID = 1.97637 au 
 T_jup = 3.109 
[ 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 14.48   n/a E2021B55  

101929 (1999 RP20)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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 2021-Apr-19 23:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin