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74597 (1999 RG)
Classification: Main-belt Asteroid          SPK-ID: 2074597
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102716054643251 4.6898e-08  
a 2.29172732044419 1.0947e-08 au
q 1.809842137487934 1.0407e-07 au
i 4.820845954520551 4.5235e-06 deg
node 113.6077009336375 5.439e-05 deg
peri 269.4722467884075 5.5559e-05 deg
M 201.2883186104989 1.3121e-05 deg
tp 2459159.162128767053
(2020-Nov-05.66212877)
4.8372e-05 TDB
period 1267.193218516576
3.47
9.0792e-06
2.486e-08
d
yr
n .2840924294255848 2.0355e-09 deg/d
Q 2.773612503400446 1.3248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      7241 days (19.82 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:43  

Additional Information
 Earth MOID = .820242 au 
 Jupiter MOID = 2.68979 au 
 T_jup = 3.564 
[ 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 15.4   n/a MPO337820  
diameter diameter 4.490 km 1.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.073   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

74597 (1999 RG)          Discovered 1999-Sep-03 by Comba, P. G. at Prescott
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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