Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
160510 (1990 RG1)
Classification: Mars-crossing Asteroid          SPK-ID: 2160510
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2671139906116484 1.1376e-07  
a 2.262548683923522 1.6258e-08 AU
q 1.658190276007577 2.5724e-07 AU
i 6.583872539599644 1.3663e-05 deg
node 359.5509541127242 6.6893e-05 deg
peri 27.96687380321193 7.3925e-05 deg
M 325.3244419213401 2.6394e-05 deg
tp 2456920.233667345612
(2014-Sep-19.73366735)
9.1747e-05 JED
period 1243.069257793651
3.40
1.3398e-05
3.668e-08
d
yr
n .2896057462147937 3.1215e-09 deg/d
Q 2.866907091839468 2.06e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      8250 days (22.59 yr)  
   first obs. used      1990-09-14  
   last obs. used      2013-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55448  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-07 15:28:12  

Additional Information
 Earth MOID = .664231 AU 
 T_jup = 3.562 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8 mag n/a MPO260167  

160510 (1990 RG1)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675)
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1990 RG1 = 2002 CQ151 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-24 16:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin