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295493 (2008 RL23)
Classification: Main-belt Asteroid          SPK-ID: 2295493
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2212910111075753 4.2714e-08  
a 2.195642307732272 1.4839e-08 au
q 1.709766401423628 9.0772e-08 au
i 6.595430569977877 5.1145e-06 deg
node 356.001472776352 4.3601e-05 deg
peri 19.98444974415589 4.587e-05 deg
M 215.1684525872042 1.9557e-05 deg
tp 2459478.580998438424
(2021-Sep-21.08099844)
6.8254e-05 TDB
period 1188.340265034183
3.25
1.2047e-05
3.298e-08
d
yr
n .3029435344342594 3.0711e-09 deg/d
Q 2.681518214040917 1.8123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:43:00  

Additional Information
 Earth MOID = .712265 au 
 Jupiter MOID = 2.79083 au 
 T_jup = 3.628 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457257.5 (2015-Aug-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2205302517657165 4.2652e-08  
q 1.711721297915575 9.0622e-08 au
tp 2457100.130350686239
(2015-Mar-18.63035069)
5.2013e-05 TDB
node 356.0332681385798 4.3563e-05 deg
peri 19.6997325503399 4.5863e-05 deg
i 6.598931430992183 5.1172e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:43:00  

Additional Information
 Jupiter MOID = 2.79083 au 
 T_jup = 3.628 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.819186571802482E-15 -3.836251789720733E-15 8.4377988209231E-14 2.43998510321746E-16 -2.267596884407215E-14 6.950845074464698E-16
q -3.836251789720733E-15 8.212381772440393E-15 1.55683320230373E-13 -1.051605588166119E-15 1.40568870972208E-13 -2.393997989370646E-15
tp 8.4377988209231E-14 1.55683320230373E-13 2.705306335007139E-9 5.664397892573249E-14 7.682885835077313E-10 -6.207832092427985E-12
node 2.43998510321746E-16 -1.051605588166119E-15 5.664397892573249E-14 1.897747401661882E-9 -1.884782875413732E-9 -6.192594645829042E-11
peri -2.267596884407215E-14 1.40568870972208E-13 7.682885835077313E-10 -1.884782875413732E-9 2.103446199928495E-9 5.982370933171361E-11
i 6.950845074464698E-16 -2.393997989370646E-15 -6.207832092427985E-12 -6.192594645829042E-11 5.982370933171361E-11 2.618551403769873E-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 16.8   n/a MPO471116  

295493 (2008 RL23)          Discovered 2008-Sep-04 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 RL23 = 2005 XQ92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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