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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831570927339654 5.5976e-08  
a 2.438784129023008 1.4617e-08 au
q 1.992103518145418 1.3073e-07 au
i 1.220168669808858 4.9378e-06 deg
node 348.6661852986343 0.00018098 deg
peri 348.2040843025507 0.00018127 deg
M 220.2785530158158 1.6312e-05 deg
tp 2458140.407102734530
(2018-Jan-21.90710273)
6.662e-05 JED
period 1391.1003727755
3.81
1.2506e-05
3.424e-08
d
yr
n .2587879401410368 2.3265e-09 deg/d
Q 2.885464739900598 1.7294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      15886 days (43.49 yr)  
   first obs. used      1972-10-06  
   last obs. used      2016-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:22:57  

Additional Information
 Earth MOID = .981936 au 
 Jupiter MOID = 2.48029 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. 2016-February); 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. (2016) 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 ]
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