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101715 (1999 DT4)
Classification: Main-belt Asteroid          SPK-ID: 2101715
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935360360136464 4.9154e-08  
a 3.130832460552854 2.5459e-08 au
q 2.524903556714604 1.646e-07 au
i 14.32270248973206 4.6158e-06 deg
node 219.2534778615655 1.917e-05 deg
peri 346.7262793186832 2.2672e-05 deg
M 297.9305583428066 1.364e-05 deg
tp 2459549.369904818551
(2021-Nov-30.86990482)
7.902e-05 TDB
period 2023.429925925926
5.54
2.4681e-05
6.757e-08
d
yr
n .1779157238841682 2.1701e-09 deg/d
Q 3.736761364391105 3.0386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      8087 days (22.14 yr)  
   first obs. used      1999-01-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:12  

Additional Information
 Earth MOID = 1.52132 au 
 Jupiter MOID = 1.2549 au 
 T_jup = 3.137 
[ 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 14.74   n/a E2021B55  
diameter diameter 6.651 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101715 (1999 DT4)          Discovered 1999-Feb-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 DT4 = 2000 LC4 = 2001 US181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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