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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
2878 Panacea (1980 RX)
Classification: Main-belt Asteroid          SPK-ID: 2002878
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08516948131032273 3.5135e-08  
a 3.044556474175544 1.4339e-08 au
q 2.785253178450028 1.0997e-07 au
i 10.24965576139398 3.8503e-06 deg
node 318.1076247314794 1.8194e-05 deg
peri 21.36864857280822 2.6166e-05 deg
M 244.4057815303033 1.9675e-05 deg
tp 2460019.543099854596
(2023-Mar-16.04309985)
0.00010711 TDB
period 1940.369673475097
5.31
1.3708e-05
3.753e-08
d
yr
n .1855316566328618 1.3107e-09 deg/d
Q 3.30385976990106 1.5561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2689  
   data-arc span      14992 days (41.05 yr)  
   first obs. used      1980-07-17  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 09:06:41  

Additional Information
 Earth MOID = 1.77743 au 
 Jupiter MOID = 2.04363 au 
 T_jup = 3.209 
[ 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 11.91   n/a MPO636106  
diameter diameter 15.542 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.153   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2878 Panacea (1980 RX)          Discovered 1980-Sep-07 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 RX = 1938 UE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 09:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin