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JPL Small-Body Database Browser
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249424 (2009 DT140)
Classification: Main-belt Asteroid          SPK-ID: 2249424
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 .196281469419023 7.1659e-08  
a 2.781834379009847 4.5797e-08 au
q 2.235811839417439 2.1246e-07 au
i 5.227842449140983 7.6901e-06 deg
node 253.1720953629624 8.9895e-05 deg
peri 355.249788016557 9.2434e-05 deg
M 4.095126762827834 2.5373e-05 deg
tp 2458581.222079684244
(2019-Apr-07.72207968)
0.00011916 TDB
period 1694.709764949933
4.64
4.1849e-05
1.146e-07
d
yr
n .2124257542179416 5.2457e-09 deg/d
Q 3.327856918602254 5.4786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6550 days (17.93 yr)  
   first obs. used      2000-04-07  
   last obs. used      2018-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5845  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:55:49  

Additional Information
 Earth MOID = 1.2218 au 
 Jupiter MOID = 1.71516 au 
 T_jup = 3.298 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456753.5 (2014-Apr-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19483412993934 7.1731e-08  
q 2.239201317750163 2.1216e-07 au
tp 2456887.550958612491
(2014-Aug-18.05095861)
0.00010176 TDB
node 253.1961655990183 8.9953e-05 deg
peri 355.335048088235 9.2539e-05 deg
i 5.225438929959974 7.6889e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6550 days (17.93 yr)  
   first obs. used      2000-04-07  
   last obs. used      2018-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5845  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:55:49  

Additional Information
 Jupiter MOID = 1.71516 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.145352322219786E-15 -1.50049150052918E-14 -4.180726029628225E-12 -4.172087803812647E-14 -8.781054204161692E-13 1.035096449529612E-16
q -1.50049150052918E-14 4.501221868838374E-14 1.264185423949345E-11 1.340939386961139E-13 2.628938776500775E-12 5.809989478358491E-16
tp -4.180726029628225E-12 1.264185423949345E-11 1.03542495586945E-8 5.052231495027795E-11 2.306080602707293E-9 -1.534733117657059E-12
node -4.172087803812647E-14 1.340939386961139E-13 5.052231495027795E-11 8.091491855460992E-9 -8.046092217627489E-9 -3.240421353944504E-10
peri -8.781054204161692E-13 2.628938776500775E-12 2.306080602707293E-9 -8.046092217627489E-9 8.563467329083404E-9 3.22346994541773E-10
i 1.035096449529612E-16 5.809989478358491E-16 -1.534733117657059E-12 -3.240421353944504E-10 3.22346994541773E-10 5.911959139002294E-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 MPO437158  
diameter diameter 3.890 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249424 (2009 DT140)          Discovered 2009-Feb-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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