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115711 (2003 UR170)
Classification: Main-belt Asteroid          SPK-ID: 2115711
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .239427772805599 4.9556e-08  
a 2.573095307753636 1.6926e-08 au
q 1.957024829001646 1.3266e-07 au
i 15.73468606216441 4.5981e-06 deg
node 90.05218889458364 2.6651e-05 deg
peri 175.1669506415368 3.1531e-05 deg
M 272.9802397943678 2.0039e-05 deg
tp 2459564.916151668284
(2021-Dec-16.41615167)
8.611e-05 TDB
period 1507.586487144688
4.13
1.4876e-05
4.073e-08
d
yr
n .2387922703405405 2.3562e-09 deg/d
Q 3.189165786505627 2.0979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      7724 days (21.15 yr)  
   first obs. used      2000-01-29  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54443  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:56  

Additional Information
 Earth MOID = .939724 au 
 Jupiter MOID = 1.9185 au 
 T_jup = 3.337 
[ 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 15.02   n/a MPCxxxxx  
diameter diameter 4.689 km 0.818 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.77376 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.097   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

115711 (2003 UR170)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UR170 = 2000 BF24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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