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JPL Small-Body Database Browser
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100736 (1998 DD7)
Classification: Main-belt Asteroid          SPK-ID: 2100736
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0325727187630236 5.0832e-08  
a 3.104710533843978 2.36e-08 au
q 3.003581670784481 1.5399e-07 au
i 14.46506646815687 6.4867e-06 deg
node 159.2364011288937 1.7869e-05 deg
peri 142.8693117020169 9.5315e-05 deg
M 224.191325099112 9.567e-05 deg
tp 2459754.298225297303
(2022-Jun-23.79822530)		 0.00053319 TDB
period 1998.159258273233
5.47		 2.2783e-05
6.238e-08		 d
yr
n .1801658193707264 2.0542e-09 deg/d
Q 3.205839396903475 2.4368e-08 au
   Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      8020 days (21.96 yr)  
   first obs. used      1998-02-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:10:00  

Additional Information
 Earth MOID = 2.00041 au 
 Jupiter MOID = 1.92935 au 
 T_jup = 3.171 
[ 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 14.9   n/a MPO422319  
diameter diameter 5.416 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100736 (1998 DD7)          Discovered 1998-Feb-17 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 DD7 = 2004 ER5 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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