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109862 (2001 RR142)
Classification: Main-belt Asteroid          SPK-ID: 2109862
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162179523151701 4.3695e-08  
a 2.716333792860889 1.3406e-08 au
q 2.129013662364009 1.1582e-07 au
i 14.3367652864181 4.9563e-06 deg
node 64.51960904356521 1.8484e-05 deg
peri 296.1505278247149 2.2536e-05 deg
M 350.8123549427944 1.1229e-05 deg
tp 2458642.232542068873
(2019-Jun-07.73254207)
5.1065e-05 TDB
period 1635.208483920663
4.48
1.2105e-05
3.314e-08
d
yr
n .2201554135389787 1.6298e-09 deg/d
Q 3.30365392335777 1.6304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      7123 days (19.50 yr)  
   first obs. used      2000-05-28  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:18:05  

Additional Information
 Earth MOID = 1.17075 au 
 Jupiter MOID = 2.29441 au 
 T_jup = 3.283 
[ 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 15.2   n/a MPO453560  
diameter diameter 2.659 km 0.335 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.250   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

109862 (2001 RR142)          Discovered 2001-Sep-11 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RR142 = 2001 QX147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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