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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03299110757661445 1.3569e-08  
a 2.581126281530912 1.0285e-08 au
q 2.495972066708099 3.9504e-08 au
i 14.27650571834093 6.9332e-07 deg
node 338.5647070615193 1.488e-06 deg
peri 176.939328719703 2.9013e-05 deg
M 289.9712773075812 3.0964e-05 deg
tp 2459691.136136080553
(2022-Apr-21.63613608)
0.00013061 TDB
period 1514.650059445996
4.15
9.0535e-06
2.479e-08
d
yr
n .2376786623120558 1.4207e-09 deg/d
Q 2.666280496353726 1.0625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3232  
   data-arc span      24212 days (66.29 yr)  
   first obs. used      1954-12-22  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:26:12  

Additional Information
 Earth MOID = 1.50602 au 
 Jupiter MOID = 2.32079 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457483.5 (2016-Apr-05.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03153911039205011 1.3545e-08  
q 2.500454834723308 3.9413e-08 au
tp 2458174.199924975474
(2018-Feb-24.69992498)
0.00013524 TDB
node 338.6716936293685 1.4903e-06 deg
peri 176.3379158120628 3.0463e-05 deg
i 14.27276566290066 6.9269e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3232  
   data-arc span      24212 days (66.29 yr)  
   first obs. used      1954-12-22  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:26:12  

Additional Information
 Jupiter MOID = 2.32079 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.834575280780539E-16 -5.182736329256629E-16 1.040096992731382E-12 -1.028289431506862E-14 2.418051134881195E-13 5.301114295783407E-15
q -5.182736329256629E-16 1.553388875318424E-15 -2.508837803079969E-12 2.791996534083432E-14 -5.953614959164759E-13 -1.415589529212158E-14
tp 1.040096992731382E-12 -2.508837803079969E-12 1.828904244150851E-8 -4.883680847583807E-11 4.115463728974906E-9 7.080425087895238E-11
node -1.028289431506862E-14 2.791996534083432E-14 -4.883680847583807E-11 2.220926152750136E-12 -1.217861509418615E-11 -2.847120225376568E-13
peri 2.418051134881195E-13 -5.953614959164759E-13 4.115463728974906E-9 -1.217861509418615E-11 9.280063081586225E-10 1.602985928735197E-11
i 5.301114295783407E-15 -1.415589529212158E-14 7.080425087895238E-11 -2.847120225376568E-13 1.602985928735197E-11 4.798171344659942E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.66   n/a E2021B10  
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. 2020-October); 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

Alternate Designations
 1991 RN27 = 1985 FM1 = 1993 CF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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