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268653 (2006 DT212)
Classification: Main-belt Asteroid          SPK-ID: 2268653
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03823175482339679 4.9068e-08  
a 2.778150469987184 2.657e-08 au
q 2.671936902356129 1.4536e-07 au
i 5.236955154831183 5.81e-06 deg
node 138.9473819314867 6.4709e-05 deg
peri 305.8745563860638 0.00010553 deg
M 82.41021033775603 8.2941e-05 deg
tp 2458613.322068654294
(2019-May-09.82206865)
0.00038989 TDB
period 1691.344491334174
4.63
2.4264e-05
6.643e-08
d
yr
n .2128484184295436 3.0535e-09 deg/d
Q 2.884364037618238 2.7586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      6535 days (17.89 yr)  
   first obs. used      2002-03-12  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:05:44  

Additional Information
 Earth MOID = 1.69239 au 
 Jupiter MOID = 2.18944 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457311.5 (2015-Oct-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03799231255308384 4.8961e-08  
q 2.674368542477632 1.4548e-07 au
tp 2456932.797755713435
(2014-Oct-02.29775571)
0.00039494 TDB
node 138.9729148985618 6.4676e-05 deg
peri 308.3194271383662 0.00010597 deg
i 5.237192980542139 5.8107e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      6535 days (17.89 yr)  
   first obs. used      2002-03-12  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:05:44  

Additional Information
 Jupiter MOID = 2.18944 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.397183534227204E-15 -7.019965834889361E-15 -1.105985782648584E-12 -7.580018795948214E-15 -2.727865389419118E-13 -8.093914356938003E-16
q -7.019965834889361E-15 2.116301568654993E-14 1.912488190603245E-12 2.149932662850322E-14 5.402927702949702E-13 2.962003460296993E-15
tp -1.105985782648584E-12 1.912488190603245E-12 1.55974114349912E-7 -5.585253950841114E-11 3.319390536361438E-8 -5.770412985374355E-12
node -7.580018795948214E-15 2.149932662850322E-14 -5.585253950841114E-11 4.183010091370391E-9 -4.176782538540609E-9 8.060929830077644E-11
peri -2.727865389419118E-13 5.402927702949702E-13 3.319390536361438E-8 -4.176782538540609E-9 1.122957095138463E-8 -8.139250633061962E-11
i -8.093914356938003E-16 2.962003460296993E-15 -5.770412985374355E-12 8.060929830077644E-11 -8.139250633061962E-11 3.376449130677893E-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 16.3   n/a MPO423032  
diameter diameter 3.274 km 0.761 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268653 (2006 DT212)          Discovered 2006-Feb-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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