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74610 (1999 RJ17)
Classification: Main-belt Asteroid          SPK-ID: 2074610
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2322074411944697 3.6838e-08  
a 2.380163639654937 1.1653e-08 au
q 1.827471931266548 8.829e-08 au
i 9.70748482874512 5.0005e-06 deg
node 180.0056484252819 2.2536e-05 deg
peri 141.7725045868167 2.5229e-05 deg
M 247.4289013687946 1.4512e-05 deg
tp 2459419.904470490561
(2021-Jul-24.40447049)
5.633e-05 TDB
period 1341.246654003497
3.67
9.8499e-06
2.697e-08
d
yr
n .2684070069628382 1.9711e-09 deg/d
Q 2.932855348043326 1.4359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      15595 days (42.70 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:01  

Additional Information
 Earth MOID = .82687 au 
 Jupiter MOID = 2.46031 au 
 T_jup = 3.483 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457037.5 (2015-Jan-15.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2330544625492904 3.6964e-08  
q 1.825171122006612 8.8677e-08 au
tp 2456734.967235664240
(2014-Mar-18.46723566)
4.3077e-05 TDB
node 180.0563253991939 2.2566e-05 deg
peri 141.3853366383617 2.5203e-05 deg
i 9.700430515240583 4.9978e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      15595 days (42.70 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:01  

Additional Information
 Jupiter MOID = 2.46031 au 
 T_jup = 3.483 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.36636249533301E-15 -3.261148279074179E-15 4.23842034701949E-13 -4.963511332014906E-15 1.078141505128898E-13 -1.033052115112492E-15
q -3.261148279074179E-15 7.863684456894909E-15 -8.080959467153025E-13 1.173179369366237E-14 -2.049656207601277E-13 2.806264610960327E-15
tp 4.23842034701949E-13 -8.080959467153025E-13 1.855619339520737E-9 -4.455626805053972E-12 4.947572686667916E-10 -8.012542100850662E-13
node -4.963511332014906E-15 1.173179369366237E-14 -4.455626805053972E-12 5.09225814834513E-10 -5.026048368746638E-10 1.505353742616954E-11
peri 1.078141505128898E-13 -2.049656207601277E-13 4.947572686667916E-10 -5.026048368746638E-10 6.351800877428347E-10 -1.509582249355756E-11
i -1.033052115112492E-15 2.806264610960327E-15 -8.012542100850662E-13 1.505353742616954E-11 -1.509582249355756E-11 2.497842623755373E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO417341  
diameter diameter 3.071 km 0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74610 (1999 RJ17)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RJ17 = 1977 RY13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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