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JPL Small-Body Database Browser
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74744 (1999 RX189)
Classification: Main-belt Asteroid          SPK-ID: 2074744
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578462210665864 5.7743e-08  
a 2.300035953897643 1.286e-08 au
q 1.936983970257619 1.3414e-07 au
i 6.448271546966616 6.5262e-06 deg
node 12.21820562557399 4.519e-05 deg
peri 289.2484919080453 4.9478e-05 deg
M 258.7508667084397 2.2779e-05 deg
tp 2458958.834957295429
(2020-Apr-19.33495730)
8.1929e-05 TDB
period 1274.090754484585
3.49
1.0685e-05
2.925e-08
d
yr
n .2825544402805377 2.3697e-09 deg/d
Q 2.663087937537667 1.489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      10290 days (28.17 yr)  
   first obs. used      1991-02-21  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6218  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:29:43  

Additional Information
 Earth MOID = .932761 au 
 Jupiter MOID = 2.57634 au 
 T_jup = 3.567 
[ 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 16.4   n/a MPO432300  

74744 (1999 RX189)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RX189 = 2002 LP33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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