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15525 (1999 XH176)
Classification: Main-belt Asteroid          SPK-ID: 2015525
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937588203028986 1.6404e-08  
a 2.670123221253434 1.0299e-08 au
q 2.152763295839993 4.2195e-08 au
i 8.9372159083021 6.2273e-07 deg
node 323.5348015228076 4.1594e-06 deg
peri 309.2059931051438 7.4942e-06 deg
M 143.8227322889857 5.7205e-06 deg
tp 2458563.821159429247
(2019-Mar-21.32115943)
2.395e-05 TDB
period 1593.658936647974
4.36
9.22e-06
2.524e-08
d
yr
n .2258952600969984 1.3069e-09 deg/d
Q 3.187483146666874 1.2294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2028  
   data-arc span      24256 days (66.41 yr)  
   first obs. used      1954-09-28  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:00:52  

Additional Information
 Earth MOID = 1.14769 au 
 Jupiter MOID = 2.0165 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 13.43   n/a E2021B10  
diameter diameter 6.839 km 0.961 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.92 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.198   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15525 (1999 XH176)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XH176 = 1980 RF6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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