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17291 (2547 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2017291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094392448924768 4.6109e-08  
a 3.179363309193493 1.8511e-08 au
q 2.513479858477162 1.5217e-07 au
i 2.488638320192549 3.9257e-06 deg
node 74.0426346806736 0.00011769 deg
peri 271.7344468977392 0.00011801 deg
M 202.8460273590355 1.0292e-05 deg
tp 2460104.423187384611
(2023-Jun-08.92318738)
6.3515e-05 TDB
period 2070.659379396664
5.67
1.8084e-05
4.951e-08
d
yr
n .1738576627242741 1.5184e-09 deg/d
Q 3.845246759909824 2.2388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      22087 days (60.47 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:00:25  

Additional Information
 Earth MOID = 1.50615 au 
 Jupiter MOID = 1.58071 au 
 T_jup = 3.164 
[ 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 14.06   n/a E2021B10  
diameter diameter 7.938 km 0.434 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.716 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.085   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17291 (2547 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2547 P-L = 1989 UM7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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