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58730 (1998 DR28)
Classification: Main-belt Asteroid          SPK-ID: 2058730
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1944597365318638 2.8003e-08  
a 2.761062933276858 1.116e-08 au
q 2.224147362723945 8.0336e-08 au
i 3.330768795968707 3.1819e-06 deg
node 101.4206170493441 6.5675e-05 deg
peri 349.4365080342513 6.6712e-05 deg
M 7.40289685509239 1.03e-05 deg
tp 2458966.040253124505
(2020-Apr-26.54025312)
4.794e-05 TDB
period 1675.764112077918
4.59
1.016e-05
2.782e-08
d
yr
n .2148273718271759 1.3025e-09 deg/d
Q 3.297978503829771 1.3331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1376  
   data-arc span      10648 days (29.15 yr)  
   first obs. used      1991-09-04  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:49:52  

Additional Information
 Earth MOID = 1.24085 au 
 Jupiter MOID = 1.90696 au 
 T_jup = 3.311 
[ 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 14.7   n/a MPO417230  
diameter diameter 6.844 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.060   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

58730 (1998 DR28)          Discovered 1998-Feb-26 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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