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79603 (1998 RK44)
Classification: Main-belt Asteroid          SPK-ID: 2079603
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2549164976939292 5.0056e-08  
a 2.370128161222907 1.1078e-08 au
q 1.765943391278211 1.1891e-07 au
i 9.341933284865046 6.3064e-06 deg
node 148.5691936374159 2.7571e-05 deg
peri 161.9907074764506 2.925e-05 deg
M 6.299111187638638 1.1215e-05 deg
tp 2458977.179763733365
(2020-May-07.67976373)
4.1451e-05 TDB
period 1332.772958899908
3.65
9.3437e-06
2.558e-08
d
yr
n .2701135235345333 1.8937e-09 deg/d
Q 2.974312931167602 1.3901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      8012 days (21.94 yr)  
   first obs. used      1998-08-23  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:35:43  

Additional Information
 Earth MOID = .754536 au 
 Jupiter MOID = 2.33609 au 
 T_jup = 3.483 
[ 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 15.6   n/a MPO474686  
diameter diameter 4.377 km 1.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.028   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

79603 (1998 RK44)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 RK44 = 2001 FA129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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