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249207 (2008 DW48)
Classification: Main-belt Asteroid          SPK-ID: 2249207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980253136842612 5.6798e-08  
a 2.780538769897023 4.6188e-08 au
q 2.229921707776916 1.6943e-07 au
i 13.95717443713885 6.3013e-06 deg
node 39.07817845251254 2.2714e-05 deg
peri 177.9461665041125 2.8291e-05 deg
M 183.9413215078361 2.5076e-05 deg
tp 2459828.722064407434
(2022-Sep-06.22206441)
0.00013553 TDB
period 1693.525963844757
4.64
4.2197e-05
1.155e-07
d
yr
n .2125742431386784 5.2967e-09 deg/d
Q 3.331155832017131 5.5334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6562 days (17.97 yr)  
   first obs. used      2001-11-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:44:31  

Additional Information
 Earth MOID = 1.22279 au 
 Jupiter MOID = 1.63981 au 
 T_jup = 3.262 
[ show covariance matrix ]

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 15.9   n/a MPO494359  
diameter diameter 4.303 km 1.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249207 (2008 DW48)          Discovered 2008-Feb-29 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1941-Oct-11 00:24 00:07 Jupiter 1.99824155462199 1.99823546464526 1.99824764496765 3.26534085331047 3.13283944620899 2430278.516506734 6.54475686369658 1421.53810829873 20.0591641056092 -77.4855694061413 2294065.1463588 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 02:44:34 2019-Nov-08 02:44
1964-Aug-16 03:35 00:04 Jupiter 1.67491924711874 1.67491756537998 1.67492092899194 3.43893424663259 3.2885938976016 2438623.649491849 3.81745496624789 800.150817099472 13.9218551841975 -83.9609538750186 1989368.36347428 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 02:44:34 2019-Nov-08 02:44
1987-Jul-17 23:11 00:02 Jupiter 1.70695148279115 1.70695021985433 1.70695274572808 3.36647846960123 3.21570185157001 2446994.465843790 2.04349463060695 291.736924649932 63.508130717936 -87.5369310347284 2153874.78329446 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 02:44:34 2019-Nov-08 02:44
2071-Aug-15 09:17 00:04 Jupiter 1.72639713298152 1.72639501322531 1.72639925294618 3.37608877759448 3.22749362473626 2477703.886589886 3.78683640238104 1009.87539599129 20.3680596371986 -83.8943034319202 2015838.16189244 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 02:44:34 2019-Nov-08 02:44
2094-Jul-17 06:19 00:05 Jupiter 1.66009786344897 1.66009620918447 1.66009951775189 3.43774845509248 3.28598014977659 2486075.763253209 5.46909067558136 541.826403451311 58.5607500060162 83.361636441267 2209607.13078684 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 02:44:34 2019-Nov-08 02:44
2117-May-22 16:57 00:09 Jupiter 1.96127968643993 1.9612726165685 1.96128676707632 3.25162013915706 3.11597316737369 2494420.206456117 8.55904638168122 7458.87633395903 35.2701212495547 -87.2250377339676 1861631.59853617 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 02:44:34 2019-Nov-08 02:44
2178-Aug-20 07:03 00:12 Jupiter 1.80670700710064 1.80669835628055 1.80671566093609 3.25240791767466 3.10491785682175 2516789.793455651 12.1337426823611 3804.79489960281 25.711839253224 -83.1137538827681 2029107.58972784 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 02:44:34 2019-Nov-08 02:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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