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102528 (1999 US3)
Classification: Mars-crossing Asteroid          SPK-ID: 2102528
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5199516987077153 5.2509e-08  
a 2.760522889268379 1.4081e-08 au
q 1.325184323671755 1.4762e-07 au
i 29.0613403008722 6.6237e-06 deg
node 268.2023952259342 1.1654e-05 deg
peri 181.8912817567056 1.4628e-05 deg
M 170.2008642111008 1.3206e-05 deg
tp 2458208.464375710894
(2018-Mar-30.96437571)
5.5574e-05 TDB
period 1675.272485047001
4.59
1.2818e-05
3.509e-08
d
yr
n .2148904152687137 1.6442e-09 deg/d
Q 4.195861454865003 2.1403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      9126 days (24.99 yr)  
   first obs. used      1994-07-11  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:54:14  

Additional Information
 Earth MOID = .341836 au 
 Jupiter MOID = 1.0576 au 
 T_jup = 2.973 
[ 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 13.6   n/a MPO257480  
diameter diameter 12.850 km 3.837 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 4.682 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Koff, R.A. (2000) Minor Planet Bull. 27, 19-20.]
[Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.]
geometric albedo albedo 0.041   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

102528 (1999 US3)          Discovered 1999-Oct-26 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 US3 = 1999 TC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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