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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
295520 (2008 RP112)
Classification: Jupiter Trojan          SPK-ID: 2295520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1008176881178303 1.0878e-07  
a 5.210243014103336 2.0222e-07 au
q 4.684958358889362 7.0184e-07 au
i 6.290984885812813 8.8074e-06 deg
node 273.6555327580572 0.00011348 deg
peri 139.3823540444716 0.00013786 deg
M 283.8528347181838 8.4649e-05 deg
tp 2459519.333110161537
(2021-Oct-31.83311016)
0.0010559 TDB
period 4343.955791840131
11.89
0.00025289
6.924e-07
d
yr
n .08287377156927772 4.8246e-09 deg/d
Q 5.735527669317311 2.226e-07 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      8364 days (22.90 yr)  
   first obs. used      1996-10-11  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:18  

Additional Information
 Earth MOID = 3.69912 au 
 Jupiter MOID = .333611 au 
 T_jup = 2.978 
[ 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 13.8   n/a MPO418563  
diameter diameter 11.431 km 1.236 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.037   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

295520 (2008 RP112)          Discovered 2008-Sep-05 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin