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295510 (2008 RE74)
Classification: Main-belt Asteroid          SPK-ID: 2295510
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692459514482204 5.4222e-08  
a 2.24719021928123 1.5525e-08 au
q 1.866862372533843 1.2335e-07 au
i 1.32518040011394 7.9362e-06 deg
node 38.87583069723513 0.000224 deg
peri 271.4073509676824 0.00022529 deg
M 202.5717982888567 2.1756e-05 deg
tp 2459538.569301122716
(2021-Nov-20.06930112)
7.4017e-05 TDB
period 1230.433596386985
3.37
1.2751e-05
3.491e-08
d
yr
n .2925797873669048 3.0321e-09 deg/d
Q 2.627518066028617 1.8153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1998-10-18  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57025  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:31  

Additional Information
 Earth MOID = .852987 au 
 Jupiter MOID = 2.62253 au 
 T_jup = 3.611 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457042.5 (2015-Jan-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169923475526234 5.4254e-08  
q 1.865185432197922 1.2353e-07 au
tp 2457077.754032511681
(2015-Feb-24.25403251)
7.8326e-05 TDB
node 38.87774145325832 0.00022382 deg
peri 271.4327102760602 0.00022511 deg
i 1.326394176148181 7.9366e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1998-10-18  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57025  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:31  

Additional Information
 Jupiter MOID = 2.62253 au 
 T_jup = 3.611 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.943492423985134E-15 -6.665882952606123E-15 8.856549774510796E-13 5.149042375532935E-15 1.120523969455154E-13 -4.005994098908569E-15
q -6.665882952606123E-15 1.526011593641532E-14 -2.340463950999496E-12 -1.228368332021732E-14 -3.565498413818563E-13 9.319797765326831E-15
tp 8.856549774510796E-13 -2.340463950999496E-12 6.134963367052962E-9 1.054307987923428E-11 1.883315965211726E-9 -4.831811190137234E-12
node 5.149042375532935E-15 -1.228368332021732E-14 1.054307987923428E-11 5.009528363075294E-8 -5.007803753696787E-8 -4.060627253168702E-10
peri 1.120523969455154E-13 -3.565498413818563E-13 1.883315965211726E-9 -5.007803753696787E-8 5.067276741651691E-8 4.046727249990151E-10
i -4.005994098908569E-15 9.319797765326831E-15 -4.831811190137234E-12 -4.060627253168702E-10 4.046727249990151E-10 6.298887640898876E-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 17.9   n/a MPO455184  

295510 (2008 RE74)          Discovered 2008-Sep-06 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 RE74 = 2005 WK41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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