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245921 (2006 RT8)
Classification: Main-belt Asteroid          SPK-ID: 2245921
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 .1995102839772804 4.9486e-08  
a 3.172369570947688 2.8258e-08 au
q 2.539449216967032 1.6258e-07 au
i 10.87627179413191 7.9626e-06 deg
node 188.5581105580164 3.0928e-05 deg
peri 132.1244062051348 3.7408e-05 deg
M 173.243078060036 2.0008e-05 deg
tp 2458007.321108443863
(2017-Sep-10.82110844)
0.00011193 TDB
period 2063.830803308085
5.65
2.7576e-05
7.55e-08
d
yr
n .1744329038131232 2.3307e-09 deg/d
Q 3.805289924928345 3.3896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      8863 days (24.27 yr)  
   first obs. used      1995-10-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:47:36  

Additional Information
 Earth MOID = 1.54296 au 
 Jupiter MOID = 1.70191 au 
 T_jup = 3.143 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959694781003002 4.8783e-08  
q 2.559050057033118 1.5937e-07 au
tp 2455930.508399275299
(2012-Jan-04.00839928)
0.00011612 TDB
node 188.766279799867 3.109e-05 deg
peri 130.8969386572234 3.7849e-05 deg
i 10.82202127762693 7.9381e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      8863 days (24.27 yr)  
   first obs. used      1995-10-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:47:36  

Additional Information
 Jupiter MOID = 1.70191 au 
 T_jup = 3.143 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.379821968313744E-15 -7.694459810052317E-15 1.104008867937415E-12 1.175005788133024E-14 1.82642920226605E-13 -3.878175958451825E-16
q -7.694459810052317E-15 2.539796657651596E-14 -3.77736786377657E-12 -4.090732302615873E-14 -5.871716272985909E-13 -1.680458102517806E-15
tp 1.104008867937415E-12 -3.77736786377657E-12 1.348477352233923E-8 5.148799113125827E-11 2.543084153911614E-9 -2.332502679469092E-12
node 1.175005788133024E-14 -4.090732302615873E-14 5.148799113125827E-11 9.666098886295683E-10 -9.384916633166562E-10 5.747141220241933E-11
peri 1.82642920226605E-13 -5.871716272985909E-13 2.543084153911614E-9 -9.384916633166562E-10 1.432526915131265E-9 -5.65045780238497E-11
i -3.878175958451825E-16 -1.680458102517806E-15 -2.332502679469092E-12 5.747141220241933E-11 -5.65045780238497E-11 6.301336991009112E-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 16.0   n/a MPO422955  
diameter diameter 5.175 km 2.685 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.020   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245921 (2006 RT8)          Discovered 2006-Sep-12 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2006 RT8 = 1995 UF76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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