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JPL Small-Body Database Browser
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74722 (1999 RB168)
Classification: Main-belt Asteroid          SPK-ID: 2074722
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2379725653457849 3.9732e-08  
a 2.286424612735033 7.8821e-09 au
q 1.742318282172734 9.2947e-08 au
i 6.212656370542192 5.6918e-06 deg
node 151.9414368264685 3.9512e-05 deg
peri 88.70381685260229 4.1318e-05 deg
M 322.8230527153585 1.3306e-05 deg
tp 2458730.908224339941
(2019-Sep-04.40822434)
4.7011e-05 TDB
period 1262.797625715051
3.46
6.53e-06
1.788e-08
d
yr
n .2850813088883916 1.4742e-09 deg/d
Q 2.830530943297331 9.7579e-09 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54983  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:52  

Additional Information
 Earth MOID = .74376 au 
 Jupiter MOID = 2.21001 au 
 T_jup = 3.556 
[ 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 MPO432300  

74722 (1999 RB168)          Discovered 1999-Sep-09 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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