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 ]  
487777 (2015 RR220)
Classification: Main-belt Asteroid          SPK-ID: 2487777
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066922275779383 5.5405e-07  
a 2.791137515006776 6.9431e-08 au
q 2.214231084553675 1.5688e-06 au
i 9.748186889356957 1.3402e-05 deg
node 26.81831657670135 3.7982e-05 deg
peri 333.3071458299304 9.1106e-05 deg
M 7.550904910645206 5.316e-05 deg
tp 2458964.775449064422
(2020-Apr-25.27544906)
0.00025079 TDB
period 1703.218155836799
4.66
6.3553e-05
1.74e-07
d
yr
n .2113645857791659 7.8867e-09 deg/d
Q 3.368043945459878 8.3782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      5137 days (14.06 yr)  
   first obs. used      2003-01-29  
   last obs. used      2017-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71782  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:40:09  

Additional Information
 Earth MOID = 1.21672 au 
 Jupiter MOID = 2.1009 au 
 T_jup = 3.277 
[ 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 17.4   n/a MPO456352  
diameter diameter 2.395 km 0.887 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

487777 (2015 RR220)          Discovered 2010-Apr-29 by WISE at WISE
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RR220 = 2010 HW93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-29 02:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin