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135305 (2001 SH251)
Classification: Main-belt Asteroid          SPK-ID: 2135305
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723352744559279 4.16e-08  
a 3.096904635678218 1.8901e-08 au
q 2.563198725324777 1.2856e-07 au
i 1.577231136948005 5.1365e-06 deg
node 36.09853084492975 0.00018943 deg
peri 6.486108832812365 0.00019017 deg
M 174.7998327813161 1.6782e-05 deg
tp 2458233.940292053399
(2018-Apr-25.44029205)
8.9579e-05 TDB
period 1990.628305097378
5.45
1.8223e-05
4.989e-08
d
yr
n .180847423438194 1.6556e-09 deg/d
Q 3.630610546031659 2.2158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      10784 days (29.52 yr)  
   first obs. used      1990-10-16  
   last obs. used      2020-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:24  

Additional Information
 Earth MOID = 1.57093 au 
 Jupiter MOID = 1.78068 au 
 T_jup = 3.199 
[ 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 15.19   n/a E2021B55  

135305 (2001 SH251)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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