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152661 (1998 DS1)
Classification: Main-belt Asteroid          SPK-ID: 2152661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2170438142747948 3.9993e-08  
a 2.690690669393927 1.1363e-08 au
q 2.106692903475068 1.0816e-07 au
i 2.775366122240131 3.6878e-06 deg
node 251.3793203618652 8.5459e-05 deg
peri 162.3950825382624 8.6172e-05 deg
M 94.42717357491331 1.025e-05 deg
tp 2458577.647818351843
(2019-Apr-04.14781835)
4.4572e-05 TDB
period 1612.107824794396
4.41
1.0212e-05
2.796e-08
d
yr
n .2233101250816851 1.4146e-09 deg/d
Q 3.274688435312786 1.3829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      13343 days (36.53 yr)  
   first obs. used      1983-11-09  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:33:40  

Additional Information
 Earth MOID = 1.11829 au 
 Jupiter MOID = 2.09604 au 
 T_jup = 3.336 
[ 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 15.6   n/a MPO412909  
diameter diameter 4.272 km 1.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.051   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

152661 (1998 DS1)          Discovered 1998-Feb-20 by Klet at Klet
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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Alternate Designations
 1998 DS1 = 1983 VT5 = 2001 XE178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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