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58728 (1998 DR23)
Classification: Main-belt Asteroid          SPK-ID: 2058728
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04438623995674654 3.4427e-08  
a 2.977300172187293 1.9754e-08 au
q 2.845149012321325 9.8406e-08 au
i 1.438649509731108 4.0755e-06 deg
node 226.1234424023285 0.00014459 deg
peri 289.5784377977363 0.00015178 deg
M 133.808173750956 4.7124e-05 deg
tp 2458303.050923932675
(2018-Jul-03.55092393)
0.00024411 TDB
period 1876.429969454263
5.14
1.8675e-05
5.113e-08
d
yr
n .1918536827168144 1.9094e-09 deg/d
Q 3.109451332053261 2.063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      10047 days (27.51 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:49:52  

Additional Information
 Earth MOID = 1.8548 au 
 Jupiter MOID = 1.87029 au 
 T_jup = 3.259 
[ 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 15.4   n/a MPO436192  
rotation period rot_per 10.21 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) Ap. J. Supp. Ser. 241, A6.]

58728 (1998 DR23)          Discovered 1998-Feb-19 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DR23 = 1995 SR36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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