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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1840533644174369 5.7607e-08  
a 2.436612887625261 1.4955e-08 AU
q 1.988146087874945 1.3446e-07 AU
i 1.222881307040983 5.0608e-06 deg
node 348.6438796342347 0.00020281 deg
peri 347.8537601652903 0.00020309 deg
M 65.36906863113269 1.5422e-05 deg
tp 2456748.240210645400
(2014-Mar-31.74021065)
5.8115e-05 JED
period 1389.243048269545
3.80
1.279e-05
3.502e-08
d
yr
n .2591339222092345 2.3857e-09 deg/d
Q 2.885079687375576 1.7707e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      15525 days (42.51 yr)  
   first obs. used      1972-10-06  
   last obs. used      2015-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46968  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:24:13  

Additional Information
 Earth MOID = .979208 AU 
 T_jup = 3.480 
[ 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-July); 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., in press.]

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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