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

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03289004816569403 5.1162e-08  
a 2.58068116382782 1.3474e-08 au
q 2.495802436049224 1.3269e-07 au
i 14.27645624072538 5.6567e-06 deg
node 338.5665189614252 1.7249e-05 deg
peri 177.4230057140262 7.274e-05 deg
M 195.3269037558699 6.8602e-05 deg
tp 2459693.159994923755
(2022-Apr-23.65999492)
0.00028743 TDB
period 1514.258272054809
4.15
1.1859e-05
3.247e-08
d
yr
n .2377401574379313 1.8619e-09 deg/d
Q 2.665559891606416 1.3917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2450  
   data-arc span      23687 days (64.85 yr)  
   first obs. used      1954-12-22  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:15:18  

Additional Information
 Earth MOID = 1.505 au 
 Jupiter MOID = 2.3228 au 
 T_jup = 3.381 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5   n/a MPO347645  
diameter diameter 8.428 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.14 h n/a LCDB (Rev. 2019-August); 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.]
geometric albedo albedo 0.227   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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