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 ]  
487785 (2015 RO229)
Classification: Main-belt Asteroid          SPK-ID: 2487785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861441222922854 3.9804e-07  
a 3.063734056009965 7.3188e-08 au
q 2.493437969217007 1.2473e-06 au
i 2.30695943584035 8.2466e-06 deg
node 77.91998800207995 0.00027852 deg
peri 328.573523492191 0.0003611 deg
M 292.7862724744491 0.0002064 deg
tp 2459366.204667609234
(2021-May-31.70466761)
0.0011292 TDB
period 1958.732020765803
5.36
7.0187e-05
1.922e-07
d
yr
n .1837923698512119 6.5858e-09 deg/d
Q 3.634030142802923 8.6812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      4056 days (11.10 yr)  
   first obs. used      2005-12-28  
   last obs. used      2017-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69585  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:30  

Additional Information
 Earth MOID = 1.50352 au 
 Jupiter MOID = 1.76157 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457178.5 (2015-Jun-05.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910940427910524 4.4697e-07  
q 2.475533738467025 1.4458e-06 au
tp 2457394.736597858786
(2016-Jan-07.23659786)
0.00095505 TDB
node 77.96938092057802 0.00027846 deg
peri 326.683693935594 0.00034999 deg
i 2.312632245688823 8.3029e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      4056 days (11.10 yr)  
   first obs. used      2005-12-28  
   last obs. used      2017-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69585  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:30  

Additional Information
 Jupiter MOID = 1.76157 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.99780608439631E-13 -6.458407413938083E-13 -4.192845600117355E-10 -9.607286975876186E-12 -9.344549880107178E-11 -1.69365589868654E-13
q -6.458407413938083E-13 2.09041110341614E-12 1.356366148617461E-9 3.106593541863643E-11 3.022152016231073E-10 5.487804277442159E-13
tp -4.192845600117355E-10 1.356366148617461E-9 9.121197240718399E-7 2.058525927125026E-8 2.037139186486977E-7 3.548252233068529E-10
node -9.607286975876186E-12 3.106593541863643E-11 2.058525927125026E-8 7.753943681394273E-8 -7.241622839149421E-8 -1.05800219848612E-9
peri -9.344549880107178E-11 3.022152016231073E-10 2.037139186486977E-7 -7.241622839149421E-8 1.224899447732418E-7 1.144356432995914E-9
i -1.69365589868654E-13 5.487804277442159E-13 3.548252233068529E-10 -1.05800219848612E-9 1.144356432995914E-9 6.893764161305351E-11

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 17.7   n/a MPO399135  

487785 (2015 RO229)          Discovered 2005-Dec-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RO229 = 2006 AJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-15 08:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin