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JPL Small-Body Database Browser
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249299 (2008 TB177)
Classification: Main-belt Asteroid          SPK-ID: 2249299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129227406771835 5.0835e-08  
a 3.045125853604243 3.6791e-08 au
q 2.701261896508304 1.5706e-07 au
i 10.16821474684564 5.4382e-06 deg
node 79.10230444720472 4.4113e-05 deg
peri 226.36307323398 5.5363e-05 deg
M 75.42672575477195 3.2912e-05 deg
tp 2458193.842251828526
(2018-Mar-16.34225183)
0.00017851 TDB
period 1940.914017899933
5.31
3.5175e-05
9.63e-08
d
yr
n .1854796228374504 3.3615e-09 deg/d
Q 3.388989810700183 4.0946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6776 days (18.55 yr)  
   first obs. used      2001-05-18  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:33  

Additional Information
 Earth MOID = 1.697 au 
 Jupiter MOID = 1.82949 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457301.5 (2015-Oct-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147190877789013 5.1053e-08  
q 2.697032888159788 1.5763e-07 au
tp 2458187.466386086237
(2018-Mar-09.96638609)
0.00017503 TDB
node 79.3525379901109 4.4163e-05 deg
peri 225.0674815166512 5.4957e-05 deg
i 10.16339681285101 5.4266e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6776 days (18.55 yr)  
   first obs. used      2001-05-18  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:33  

Additional Information
 Jupiter MOID = 1.82949 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.606361847542372E-15 -7.876357957070823E-15 3.055136235167848E-12 -3.618525384259843E-15 5.292364351621983E-13 -3.446994823073132E-15
q -7.876357957070823E-15 2.484613499449196E-14 -9.98959435367568E-12 2.480497436144018E-14 -1.84386439250703E-12 1.215709784794983E-14
tp 3.055136235167848E-12 -9.98959435367568E-12 3.06364221895457E-8 2.227577985043197E-11 5.814522480774907E-9 -2.221647988334616E-11
node -3.618525384259843E-15 2.480497436144018E-14 2.227577985043197E-11 1.950350632201358E-9 -1.91565656796608E-9 -6.924686750358705E-11
peri 5.292364351621983E-13 -1.84386439250703E-12 5.814522480774907E-9 -1.91565656796608E-9 3.020222496115684E-9 6.363784364458994E-11
i -3.446994823073132E-15 1.215709784794983E-14 -2.221647988334616E-11 -6.924686750358705E-11 6.363784364458994E-11 2.944769873860114E-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 15.3   n/a MPO413152  
diameter diameter 4.513 km 2.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249299 (2008 TB177)          Discovered 2008-Oct-07 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 TB177 = 2006 HN59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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