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JPL Small-Body Database Browser
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74789 (1999 SY5)
Classification: Mars-crossing Asteroid          SPK-ID: 2074789
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3206401267579788 4.8163e-08  
a 2.328423910892313 1.0562e-08 au
q 1.581837772957493 1.0953e-07 au
i 23.21840262929487 5.1764e-06 deg
node 130.3891145657793 1.2118e-05 deg
peri 272.3996908704804 1.4823e-05 deg
M 176.7639897598685 1.1802e-05 deg
tp 2457963.289685187787
(2017-Jul-28.78968519)
3.9941e-05 TDB
period 1297.751389545052
3.55
8.8303e-06
2.418e-08
d
yr
n .2774029008177012 1.8875e-09 deg/d
Q 3.075010048827133 1.3949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      9601 days (26.29 yr)  
   first obs. used      1993-01-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:03  

Additional Information
 Earth MOID = .774769 au 
 Jupiter MOID = 2.73249 au 
 T_jup = 3.399 
[ 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 14.3   n/a MPO436306  

74789 (1999 SY5)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20040415/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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