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109704 (2001 RJ42)
Classification: Main-belt Asteroid          SPK-ID: 2109704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .12702894095606 4.8515e-08  
a 3.074106767307069 2.6596e-08 au
q 2.683606240270195 1.5294e-07 au
i 10.92665821465997 5.3465e-06 deg
node 120.7304771590277 2.8849e-05 deg
peri 265.2464540334785 3.5438e-05 deg
M 65.26883717323715 2.1032e-05 deg
tp 2458243.572325875677
(2018-May-05.07232588)
0.00011394 TDB
period 1968.687788074212
5.39
2.5548e-05
6.995e-08
d
yr
n .1828629212721207 2.3731e-09 deg/d
Q 3.464607294343943 2.9974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      1997-12-21  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:20:32  

Additional Information
 Earth MOID = 1.71484 au 
 Jupiter MOID = 2.07917 au 
 T_jup = 3.190 
[ show covariance matrix ]

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 14.9   n/a MPO422368  
diameter diameter 4.363 km 2.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109704 (2001 RJ42)          Discovered 2001-Sep-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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