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74629 (1999 RB45)
Classification: Main-belt Asteroid          SPK-ID: 2074629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143678125932034 3.9878e-08  
a 2.370865667637303 9.353e-09 au
q 1.862628380513569 9.7189e-08 au
i 1.908693880758596 5.164e-06 deg
node 347.4535957816372 0.00011601 deg
peri 40.70498985666855 0.00011656 deg
M 225.7190413513459 1.35e-05 deg
tp 2459497.859915690331
(2021-Oct-10.35991569)
5.1955e-05 TDB
period 1333.395080362823
3.65
7.8903e-06
2.16e-08
d
yr
n .2699874968055547 1.5976e-09 deg/d
Q 2.879102954761036 1.1358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      9506 days (26.03 yr)  
   first obs. used      1994-04-15  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:07:16  

Additional Information
 Earth MOID = .867883 au 
 Jupiter MOID = 2.57393 au 
 T_jup = 3.513 
[ 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 16.0   n/a MPO337820  
diameter diameter 1.529 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.362   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74629 (1999 RB45)          Discovered 1999-Sep-11 by Bernasconi, L. at St. Michel sur Me
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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