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101716 (1999 DJ6)
Classification: Main-belt Asteroid          SPK-ID: 2101716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128769095774945 4.1285e-08  
a 2.57827381221053 1.2459e-08 au
q 2.28724623224362 1.1049e-07 au
i 12.10595524357888 4.7824e-06 deg
node 326.1584619661705 1.6692e-05 deg
peri 34.91948160825059 2.5011e-05 deg
M 196.4513673926609 2.068e-05 deg
tp 2459687.467829627965
(2022-Apr-17.96782963)
8.9429e-05 TDB
period 1512.139934913585
4.14
1.0961e-05
3.001e-08
d
yr
n .2380732045282391 1.7257e-09 deg/d
Q 2.86930139217744 1.3866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1520  
   data-arc span      7799 days (21.35 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:53  

Additional Information
 Earth MOID = 1.29217 au 
 Jupiter MOID = 2.56837 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456630.5 (2013-Dec-04.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111202785719678 4.1282e-08  
q 2.292111761792504 1.1045e-07 au
tp 2456658.044411247307
(2013-Dec-31.54441125)
8.1254e-05 TDB
node 326.2083669125241 1.6675e-05 deg
peri 34.05736830444003 2.524e-05 deg
i 12.1119050697833 4.7828e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1520  
   data-arc span      7799 days (21.35 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:53  

Additional Information
 Jupiter MOID = 2.56837 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.704244301618277E-15 -4.539083800107837E-15 -1.216558342496985E-12 -8.045486109994164E-17 -2.848696967437192E-13 3.958266574800544E-15
q -4.539083800107837E-15 1.219965321091318E-14 3.440843443306996E-12 -4.624423189789283E-16 8.038446263038891E-13 -1.053940604665854E-14
tp -1.216558342496985E-12 3.440843443306996E-12 6.602170832569575E-9 -1.359415667248359E-11 1.549247687491231E-9 -6.87534091464175E-12
node -8.045486109994164E-17 -4.624423189789283E-16 -1.359415667248359E-11 2.780662711016402E-10 -2.74737896916079E-10 5.377558668648737E-12
peri -2.848696967437192E-13 8.038446263038891E-13 1.549247687491231E-9 -2.74737896916079E-10 6.370651302318829E-10 -6.848159296314492E-12
i 3.958266574800544E-15 -1.053940604665854E-14 -6.87534091464175E-12 5.377558668648737E-12 -6.848159296314492E-12 2.287547217343981E-11

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 14.0   n/a MPO337994  
diameter diameter 12.543 km 3.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.031   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

101716 (1999 DJ6)          Discovered 1999-Feb-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 DJ6 = 2001 OP103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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