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 ]  
15701 (1987 RG1)
Classification: Main-belt Asteroid          SPK-ID: 2015701
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834427910870478 5.7417e-08  
a 2.438498109881801 1.4902e-08 au
q 1.991173210544593 1.3387e-07 au
i 1.222250579030855 4.9909e-06 deg
node 348.6655096671666 0.00020194 deg
peri 348.0418859090144 0.00020222 deg
M 168.7539416834979 1.6037e-05 deg
tp 2456748.521181279740
(2014-Apr-01.02118128)
5.8208e-05 JED
period 1390.855658823676
3.81
1.275e-05
3.491e-08
d
yr
n .2588334725578009 2.3727e-09 deg/d
Q 2.885823009219009 1.7636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      15778 days (43.20 yr)  
   first obs. used      1972-10-06  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47517  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:31:39  

Additional Information
 Earth MOID = .979736 au 
 Jupiter MOID = 2.47848 au 
 T_jup = 3.479 
[ 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 14.3 mag n/a MPO337391  
rotation period rot_per 109.4159 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

15701 (1987 RG1)          Discovered 1987-Sep-13 by Debehogne, H. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1987 RG1 = 1972 TV7 = 1989 AP4 = 1991 TS14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-07 21:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin