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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2164709376029887 4.2978e-08  
a 2.717141940201287 1.3053e-08 au
q 2.12895967680551 1.1341e-07 au
i 14.33551973673476 4.9449e-06 deg
node 64.51952139927317 1.6465e-05 deg
peri 296.18077731361 2.0802e-05 deg
M 78.81433100482357 1.1021e-05 deg
tp 2458642.346162654137
(2019-Jun-07.84616265)
4.9644e-05 TDB
period 1635.938284328261
4.48
1.1789e-05
3.228e-08
d
yr
n .2200572010867885 1.5858e-09 deg/d
Q 3.305324203597063 1.5879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      7185 days (19.67 yr)  
   first obs. used      2000-05-28  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:34:23  

Additional Information
 Earth MOID = 1.17144 au 
 Jupiter MOID = 2.29586 au 
 T_jup = 3.282 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457386.5 (2015-Dec-30.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2183722652110202 4.3575e-08  
q 2.122486016814457 1.1531e-07 au
tp 2457002.353985109267
(2014-Dec-10.85398511)
4.7554e-05 TDB
node 64.67483902232482 1.653e-05 deg
peri 295.2969908940734 2.065e-05 deg
i 14.31212463471786 4.9372e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      7185 days (19.67 yr)  
   first obs. used      2000-05-28  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:34:23  

Additional Information
 Jupiter MOID = 2.29586 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.898815325875636E-15 -5.00790274030063E-15 9.705492042052231E-14 -5.800378321856848E-15 -4.138293231899271E-14 -5.518649676340843E-15
q -5.00790274030063E-15 1.329646242156473E-14 -2.828369813679624E-13 1.593715773458367E-14 1.094052410993572E-13 1.547382483578953E-14
tp 9.705492042052231E-14 -2.828369813679624E-13 2.261338835194982E-9 -1.260780714315824E-11 5.963436225682482E-10 1.952068276909794E-12
node -5.800378321856848E-15 1.593715773458367E-14 -1.260780714315824E-11 2.732475534881989E-10 -2.67462127872228E-10 -5.881958007302407E-12
peri -4.138293231899271E-14 1.094052410993572E-13 5.963436225682482E-10 -2.67462127872228E-10 4.264159544712985E-10 6.355452456135911E-12
i -5.518649676340843E-15 1.547382483578953E-14 1.952068276909794E-12 -5.881958007302407E-12 6.355452456135911E-12 2.437555497433936E-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 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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