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150173 (1998 DO28)
Classification: Main-belt Asteroid          SPK-ID: 2150173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03349745268019097 4.2754e-08  
a 2.718706765378556 1.5596e-08 au
q 2.627637014153972 1.1756e-07 au
i 5.857952146011902 4.6791e-06 deg
node 147.2142281753465 4.6015e-05 deg
peri 106.6529824136547 8.9072e-05 deg
M 356.1800708218565 7.7203e-05 deg
tp 2459413.873798852893
(2021-Jul-18.37379885)
0.00035114 TDB
period 1637.351713960612
4.48
1.4089e-05
3.857e-08
d
yr
n .2198672386210725 1.8919e-09 deg/d
Q 2.809776516603139 1.6119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      8510 days (23.30 yr)  
   first obs. used      1998-02-23  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:22:16  

Additional Information
 Earth MOID = 1.62011 au 
 Jupiter MOID = 2.19363 au 
 T_jup = 3.351 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.88   n/a E2021B55  
diameter diameter 4.407 km 0.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150173 (1998 DO28)          Discovered 1998-Feb-26 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 1998 DO28 = 2002 CT8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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