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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182057895528223 3.914e-08  
a 2.623683237724797 1.4877e-08 au
q 2.313548689073032 1.0564e-07 au
i 15.16243852920582 5.8405e-06 deg
node 332.3350377205357 1.2666e-05 deg
peri 114.8181379148727 3.729e-05 deg
M 93.1329676016055 3.0279e-05 deg
tp 2458798.925184314382
(2019-Nov-11.42518431)		 0.00013151 TDB
period 1552.263794118917
4.25		 1.3202e-05
3.615e-08		 d
yr
n .2319193434543387 1.9725e-09 deg/d
Q 2.933817786376562 1.6635e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:11  

Additional Information
 Earth MOID = 1.37288 au 
 Jupiter MOID = 2.26144 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 15.13   n/a E2021B55  
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

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