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 ]  
80120 (1999 RU139)
Classification: Main-belt Asteroid          SPK-ID: 2080120
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1274430752987032 4.9156e-08  
a 2.135808887074784 6.4439e-09 au
q 1.863614834255673 1.0451e-07 au
i 2.926756744975842 3.3787e-06 deg
node 297.5878597956777 0.00010194 deg
peri 72.7270758929111 0.00010334 deg
M 204.5668764890186 1.8222e-05 deg
tp 2459492.747007338576
(2021-Oct-05.24700734)
5.8228e-05 TDB
period 1140.097545742028
3.12
5.1596e-06
1.413e-08
d
yr
n .3157624550149307 1.429e-09 deg/d
Q 2.408002939893895 7.2651e-09 au
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      9714 days (26.60 yr)  
   first obs. used      1993-10-12  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:43  

Additional Information
 Earth MOID = .865461 au 
 Jupiter MOID = 3.06096 au 
 T_jup = 3.705 
[ 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 16.6   n/a MPO453223  

80120 (1999 RU139)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-03 02:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin