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JPL Small-Body Database Browser
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48468 (1991 SS1)
Classification: Mars-crossing Asteroid          SPK-ID: 2048468
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3687003916493692 8.2161e-08  
a 2.3708284317949 6.9085e-09 au
q 1.496703060458661 1.9303e-07 au
i 5.746108675819075 6.4151e-06 deg
node 37.74672380240434 4.1675e-05 deg
peri 353.9602521134092 4.2321e-05 deg
M 186.1907783751646 6.1278e-06 deg
tp 2459244.252503478770
(2021-Jan-29.75250348)
2.4811e-05 TDB
period 1333.363667852951
3.65
5.828e-06
1.596e-08
d
yr
n .269993857399527 1.1801e-09 deg/d
Q 3.24495380313114 9.4556e-09 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      10102 days (27.66 yr)  
   first obs. used      1991-09-12  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:38:44  

Additional Information
 Earth MOID = .502229 au 
 Jupiter MOID = 2.1982 au 
 T_jup = 3.443 
[ 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 16.5   n/a MPO267869  

48468 (1991 SS1)          Discovered 1991-Sep-29 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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