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59883 (1999 RU123)
Classification: Main-belt Asteroid          SPK-ID: 2059883
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901319837539408 3.8076e-08  
a 2.807318438173477 1.5595e-08 au
q 2.273557414494539 1.0727e-07 au
i 7.257141643461508 5.2811e-06 deg
node 190.7988596365576 3.4086e-05 deg
peri 84.84778514396986 3.6821e-05 deg
M 202.3707809226664 1.4912e-05 deg
tp 2459752.763806499769
(2022-Jun-22.26380650)
7.3598e-05 TDB
period 1718.050574158168
4.70
1.4316e-05
3.92e-08
d
yr
n .2095398153086369 1.746e-09 deg/d
Q 3.341079461852416 1.856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:56:14  

Additional Information
 Earth MOID = 1.27169 au 
 Jupiter MOID = 1.83542 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456799.5 (2014-May-22.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924023186058514 3.7888e-08  
q 2.264676029320341 1.068e-07 au
tp 2456318.538402676015
(2013-Jan-26.03840268)
6.5675e-05 TDB
node 190.8715189574863 3.4133e-05 deg
peri 84.81780649613633 3.6803e-05 deg
i 7.254061635414568 5.2804e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:56:14  

Additional Information
 Jupiter MOID = 1.83542 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.435525567558028E-15 -4.01861530393469E-15 -6.34136752436246E-13 7.165497389909567E-15 -1.318453199893969E-13 -5.552678003062025E-17
q -4.01861530393469E-15 1.14056237039447E-14 1.802582447327933E-12 -1.948564258776624E-14 3.824395057573413E-13 8.105600139887782E-16
tp -6.34136752436246E-13 1.802582447327933E-12 4.313197233011975E-9 -9.339930749768078E-12 9.217865627204595E-10 2.608522595221553E-12
node 7.165497389909567E-15 -1.948564258776624E-14 -9.339930749768078E-12 1.165033228007566E-9 -1.157285759556853E-9 2.963630899047359E-11
peri -1.318453199893969E-13 3.824395057573413E-13 9.217865627204595E-10 -1.157285759556853E-9 1.354425783790348E-9 -2.883809675893907E-11
i -5.552678003062025E-17 8.105600139887782E-16 2.608522595221553E-12 2.963630899047359E-11 -2.883809675893907E-11 2.78826149731354E-11

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 14.8   n/a MPO417239  
diameter diameter 7.218 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59883 (1999 RU123)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RU123 = 1998 HC54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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