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JPL Small-Body Database Browser
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74616 (1999 RJ22)
Classification: Main-belt Asteroid          SPK-ID: 2074616
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2065225571769788 4.416e-08  
a 2.40755828060762 1.1334e-08 au
q 1.910343187943924 1.051e-07 au
i .8572301654185077 4.3783e-06 deg
node 145.7858476784542 0.00031663 deg
peri 199.1148067971999 0.00031682 deg
M 98.16586763240053 1.1871e-05 deg
tp 2458228.432574604041
(2018-Apr-19.93257460)
4.3923e-05 TDB
period 1364.468897113235
3.74
9.6348e-06
2.638e-08
d
yr
n .2638389198622563 1.863e-09 deg/d
Q 2.904773373271316 1.3674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      9057 days (24.80 yr)  
   first obs. used      1994-03-14  
   last obs. used      2018-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55538  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:05:48  

Additional Information
 Earth MOID = .90203 au 
 Jupiter MOID = 2.50431 au 
 T_jup = 3.492 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO453160  

74616 (1999 RJ22)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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