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101711 (1999 DT1)
Classification: Main-belt Asteroid          SPK-ID: 2101711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181997940436546 3.9209e-08  
a 2.624148020702996 1.485e-08 au
q 2.313974265115838 1.0582e-07 au
i 15.16155552259872 5.8402e-06 deg
node 332.3343039777643 1.2667e-05 deg
peri 114.9097428184827 3.7274e-05 deg
M 46.66964105216457 3.037e-05 deg
tp 2458799.214319687511
(2019-Nov-11.71431969)
0.00013146 TDB
period 1552.676285457204
4.25
1.318e-05
3.608e-08
d
yr
n .2318577306627657 1.9682e-09 deg/d
Q 2.934321776290154 1.6606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      7771 days (21.28 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:55  

Additional Information
 Earth MOID = 1.37338 au 
 Jupiter MOID = 2.26097 au 
 T_jup = 3.344 
[ 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 15.1   n/a MPO453471  
diameter diameter 2.462 km 0.458 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.384   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101711 (1999 DT1)          Discovered 1999-Feb-18 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 DT1 = 2001 QT49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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