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295511 (2008 RH75)
Classification: Main-belt Asteroid          SPK-ID: 2295511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2450057545845828 9.286e-08  
a 2.410404177196301 2.9401e-08 au
q 1.819841282908491 2.1625e-07 au
i 16.13106959650426 8.2133e-06 deg
node .9898623855412952 2.7473e-05 deg
peri 338.553776455812 3.439e-05 deg
M 55.69537284446269 3.2934e-05 deg
tp 2458789.029472478830
(2019-Nov-01.52947248)
0.00012168 TDB
period 1366.888953598057
3.74
2.5009e-05
6.847e-08
d
yr
n .2633717969937304 4.8187e-09 deg/d
Q 3.000967071484112 3.6604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6138 days (16.80 yr)  
   first obs. used      2003-03-27  
   last obs. used      2020-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:31  

Additional Information
 Earth MOID = .82115 au 
 Jupiter MOID = 2.43959 au 
 T_jup = 3.426 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457145.5 (2015-May-03.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2459419104384323 9.2909e-08  
q 1.816990702517594 2.1645e-07 au
tp 2457423.100476477882
(2016-Feb-04.60047648)
0.00010056 TDB
node 1.039925223292214 2.7447e-05 deg
peri 338.683302467838 3.4328e-05 deg
i 16.14342261299435 8.2181e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6138 days (16.80 yr)  
   first obs. used      2003-03-27  
   last obs. used      2020-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:31  

Additional Information
 Jupiter MOID = 2.43959 au 
 T_jup = 3.426 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.632053713241107E-15 -2.002145551575259E-14 4.384614633899286E-12 3.681955593643277E-14 5.285771117083786E-13 -2.145793641994002E-14
q -2.002145551575259E-14 4.685260989538608E-14 -8.811390237516026E-12 -7.709581312372379E-14 -9.497294752108809E-13 3.989222818207565E-14
tp 4.384614633899286E-12 -8.811390237516026E-12 1.011310374661988E-8 5.63093729209569E-11 2.078666581838585E-9 -7.560683593191579E-11
node 3.681955593643277E-14 -7.709581312372379E-14 5.63093729209569E-11 7.533443707616057E-10 -7.112357906086988E-10 2.889230099479084E-11
peri 5.285771117083786E-13 -9.497294752108809E-13 2.078666581838585E-9 -7.112357906086988E-10 1.178429273994989E-9 -4.398540167411832E-11
i -2.145793641994002E-14 3.989222818207565E-14 -7.560683593191579E-11 2.889230099479084E-11 -4.398540167411832E-11 6.753673844649188E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO437321  
diameter diameter 3.970 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.028   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295511 (2008 RH75)          Discovered 2008-Sep-06 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 RH75 = 2007 GY25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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