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74623 (1999 RX29)
Classification: Main-belt Asteroid          SPK-ID: 2074623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011024443018829 6.6667e-08  
a 2.347898139115508 1.3626e-08 au
q 1.875730084367537 1.5762e-07 au
i 25.82006965644105 7.3545e-06 deg
node 334.9578701245252 1.1292e-05 deg
peri 217.8438806553421 1.9181e-05 deg
M 63.33200788978986 2.0499e-05 deg
tp 2458769.326493405478
(2019-Oct-12.82649341)
7.3813e-05 TDB
period 1314.066380444647
3.60
1.1439e-05
3.132e-08
d
yr
n .2739587629341716 2.3848e-09 deg/d
Q 2.820066193863479 1.6366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      7815 days (21.40 yr)  
   first obs. used      1997-12-04  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:19:41  

Additional Information
 Earth MOID = .91951 au 
 Jupiter MOID = 2.26424 au 
 T_jup = 3.401 
[ 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 14.8   n/a MPO468693  
diameter diameter 3.052 km 0.952 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.329   0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74623 (1999 RX29)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RX29 = 2000 XY45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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