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JPL Small-Body Database Browser
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154101 (2002 DW17)
Classification: Main-belt Asteroid          SPK-ID: 2154101
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110864983975137 8.8984e-08  
a 3.010669605617637 3.5364e-08 au
q 2.676891768036405 2.8189e-07 au
i 9.433671211626953 6.9327e-06 deg
node 326.213831410024 3.9057e-05 deg
peri 35.84222443318329 4.6926e-05 deg
M 324.6340145537883 2.5359e-05 deg
tp 2459187.946069038402
(2020-Dec-04.44606904)
0.00013565 TDB
period 1908.064599428637
5.22
3.3619e-05
9.204e-08
d
yr
n .1886728573591275 3.3243e-09 deg/d
Q 3.344447443198868 3.9284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6309 days (17.27 yr)  
   first obs. used      2002-02-20  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:29:59  

Additional Information
 Earth MOID = 1.67949 au 
 Jupiter MOID = 2.10805 au 
 T_jup = 3.220 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456770.5 (2014-Apr-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146208365157399 8.8839e-08  
q 2.664031408379101 2.83e-07 au
tp 2457283.072398772543
(2015-Sep-17.57239877)
0.0001213 TDB
node 326.4607445870448 3.912e-05 deg
peri 36.1851315799778 4.6433e-05 deg
i 9.426690631595212 6.9368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6309 days (17.27 yr)  
   first obs. used      2002-02-20  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:29:59  

Additional Information
 Jupiter MOID = 2.10805 au 
 T_jup = 3.220 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.892372082895529E-15 -2.501825022398503E-14 -4.646819869166493E-13 8.874970164992809E-15 -2.208360773656028E-13 -1.264370550130904E-14
q -2.501825022398503E-14 8.008679720547715E-14 1.963730372595809E-12 -2.935233104222181E-14 7.504503532326843E-13 4.148851458429746E-14
tp -4.646819869166493E-13 1.963730372595809E-12 1.47135587436734E-8 -2.386862031435482E-11 3.077183417647756E-9 -5.324731857905852E-12
node 8.874970164992809E-15 -2.935233104222181E-14 -2.386862031435482E-11 1.530375025728339E-9 -1.514616089320109E-9 1.267201486030904E-10
peri -2.208360773656028E-13 7.504503532326843E-13 3.077183417647756E-9 -1.514616089320109E-9 2.156051665198465E-9 -1.260389325045181E-10
i -1.264370550130904E-14 4.148851458429746E-14 -5.324731857905852E-12 1.267201486030904E-10 -1.260389325045181E-10 4.811923811346132E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO436779  
diameter diameter 2.842 km 0.852 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154101 (2002 DW17)          Discovered 2002-Feb-20 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2002 DW17 = 2005 XZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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