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JPL Small-Body Database Browser
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91028 (1998 DU37)
Classification: Main-belt Asteroid          SPK-ID: 2091028
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2631582264097891 5.3194e-08  
a 2.621680597812241 1.8571e-08 au
q 1.931763781479016 1.3648e-07 au
i 2.819751405985038 6.1534e-06 deg
node 328.9395098743942 0.00010378 deg
peri 324.1561970585029 0.00010463 deg
M 315.80660765292 2.1106e-05 deg
tp 2459190.836875587467
(2020-Dec-07.33687559)
9.233e-05 TDB
period 1550.486884404466
4.25
1.6474e-05
4.51e-08
d
yr
n .2321851307618601 2.467e-09 deg/d
Q 3.311597414145466 2.3458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      10343 days (28.32 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:06  

Additional Information
 Earth MOID = .916537 au 
 Jupiter MOID = 1.90565 au 
 T_jup = 3.353 
[ 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 15.5   n/a MPO468895  

91028 (1998 DU37)          Discovered 1998-Feb-24 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 DU37 = 1999 LZ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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