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15288 (1991 RN27)
Classification: Main-belt Asteroid          SPK-ID: 2015288
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03156977524438521 8.432e-08  
a 2.581817012869914 2.0989e-08 au
q 2.500309630051481 2.0981e-07 au
i 14.27305087855276 8.3837e-06 deg
node 338.6717380019974 2.4725e-05 deg
peri 176.2679103844754 0.00010598 deg
M 176.2635477604099 0.00010158 deg
tp 2456658.597865350646
(2014-Jan-01.09786535)
0.00042904 JED
period 1515.258099972027
4.15
1.8478e-05
5.059e-08
d
yr
n .237583286970481 2.8972e-09 deg/d
Q 2.663324395688348 2.1652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1018  
   data-arc span      22234 days (60.87 yr)  
   first obs. used      1954-12-22  
   last obs. used      2015-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46622  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:20:31  

Additional Information
 Earth MOID = 1.50974 au 
 Jupiter MOID = 2.33005 au 
 T_jup = 3.380 
[ 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 12.5 mag n/a MPO347645  
rotation period rot_per 7.14 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:
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]

15288 (1991 RN27)          Discovered 1991-Sep-11 by Holt, H. E. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RN27 = 1985 FM1 = 1993 CF 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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