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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094392435502143 4.6036e-08  
a 3.17936330892196 1.8504e-08 au
q 2.513479862530038 1.5196e-07 au
i 2.488638242153425 3.9136e-06 deg
node 74.04263300127079 0.0001175 deg
peri 271.7344490008408 0.00011782 deg
M 202.8460271497682 1.0284e-05 deg
tp 2460104.423188472481
(2023-Jun-08.92318847)
6.3481e-05 TDB
period 2070.659379131397
5.67
1.8077e-05
4.949e-08
d
yr
n .1738576627465466 1.5178e-09 deg/d
Q 3.845246755313881 2.238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      22095 days (60.49 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:32:01  

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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