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150831 (2001 SP28)
Classification: Main-belt Asteroid          SPK-ID: 2150831
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173782598923872 4.7948e-08  
a 2.603435068093938 1.3691e-08 au
q 2.037504883248859 1.2595e-07 au
i 4.604029460767039 4.6609e-06 deg
node 158.6650554239427 7.1598e-05 deg
peri 284.7551252958698 7.2643e-05 deg
M 155.646222400827 1.1948e-05 deg
tp 2458537.131818919689
(2019-Feb-22.63181892)
4.9349e-05 TDB
period 1534.329208285643
4.20
1.2103e-05
3.314e-08
d
yr
n .2346302202004223 1.8508e-09 deg/d
Q 3.169365252939017 1.6667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      8243 days (22.57 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:13  

Additional Information
 Earth MOID = 1.05896 au 
 Jupiter MOID = 2.08988 au 
 T_jup = 3.375 
[ 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 16.48   n/a E2021B55  

150831 (2001 SP28)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2001 SP28 = 2003 FP32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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