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102046 (1999 RG118)
Classification: Main-belt Asteroid          SPK-ID: 2102046
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2451844702034818 4.2837e-08  
a 2.349538334787425 1.0788e-08 au
q 1.7734680229498 1.0525e-07 au
i 3.217586442489154 4.3114e-06 deg
node 172.0937124505878 6.1925e-05 deg
peri 204.5513010052105 6.2415e-05 deg
M 299.7444416701144 1.0134e-05 deg
tp 2459420.674411432156
(2021-Jul-25.17441143)
3.8126e-05 TDB
period 1315.443592467109
3.60
9.0602e-06
2.481e-08
d
yr
n .2736719400676251 1.8849e-09 deg/d
Q 2.925608646625051 1.3433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      10655 days (29.17 yr)  
   first obs. used      1991-05-17  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:59  

Additional Information
 Earth MOID = .774082 au 
 Jupiter MOID = 2.53766 au 
 T_jup = 3.515 
[ 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 16.23   n/a E2021B55  
diameter diameter 1.479 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102046 (1999 RG118)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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