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JPL Small-Body Database Browser
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74787 (1999 SH2)
Classification: Main-belt Asteroid          SPK-ID: 2074787
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989142006839641 5.8652e-08  
a 2.410210942037816 9.1547e-09 au
q 1.93078575902262 1.3955e-07 au
i 2.448727951518331 3.6771e-06 deg
node 146.1118384463495 0.00010256 deg
peri 254.3720508518532 0.00010311 deg
M 77.65751153855022 9.3123e-06 deg
tp 2458305.676582141379
(2018-Jul-06.17658214)
3.488e-05 TDB
period 1366.724587568272
3.74
7.7868e-06
2.132e-08
d
yr
n .2634034708049889 1.5007e-09 deg/d
Q 2.889636125053012 1.0976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1063  
   data-arc span      8652 days (23.69 yr)  
   first obs. used      1995-08-24  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53502  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:48:34  

Additional Information
 Earth MOID = .940008 au 
 Jupiter MOID = 2.52222 au 
 T_jup = 3.492 
[ 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 15.6   n/a MPO453161  

74787 (1999 SH2)          Discovered 1999-Sep-22 by Korlevic, K. at Visnjan
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SH2 = 1995 QD11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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