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JPL Small-Body Database Browser
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74637 (1999 RS56)
Classification: Main-belt Asteroid          SPK-ID: 2074637
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436601232178712 4.0201e-08  
a 2.282288245239436 1.0282e-08 au
q 1.95441443470964 8.968e-08 au
i 3.685953508284623 5.2833e-06 deg
node 176.466262460393 6.3942e-05 deg
peri 235.0159546392804 6.6775e-05 deg
M 190.8706864714927 2.0175e-05 deg
tp 2459192.157742925827
(2020-Dec-08.65774293)
7.1816e-05 TDB
period 1259.37238796512
3.45
8.5108e-06
2.33e-08
d
yr
n .2858566722918897 1.9318e-09 deg/d
Q 2.610162055769233 1.176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      7702 days (21.09 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52412  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:48:04  

Additional Information
 Earth MOID = .967179 au 
 Jupiter MOID = 2.73741 au 
 T_jup = 3.588 
[ 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 15.5   n/a MPO280228  

74637 (1999 RS56)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RS56 = 2001 BA48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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