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17422 (1988 SE2)
Classification: Main-belt Asteroid          SPK-ID: 2017422
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144594887207919 3.2388e-08  
a 2.45916921660862 1.0056e-08 au
q 2.177693965397687 7.8601e-08 au
i 8.766219836308213 4.7265e-06 deg
node 45.00775635037326 2.5605e-05 deg
peri 256.8633452384317 3.4491e-05 deg
M 118.8431163852817 2.2777e-05 deg
tp 2458535.500400949506
(2019-Feb-21.00040095)
8.9076e-05 TDB
period 1408.578475134211
3.86
8.6399e-06
2.365e-08
d
yr
n .2555768147498483 1.5677e-09 deg/d
Q 2.740644467819553 1.1207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      11436 days (31.31 yr)  
   first obs. used      1988-09-15  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:28:16  

Additional Information
 Earth MOID = 1.18257 au 
 Jupiter MOID = 2.46234 au 
 T_jup = 3.466 
[ 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 14.3   n/a MPO502302  
diameter diameter 4.029 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17422 (1988 SE2)          Discovered 1988-Sep-16 by Bus, S. J. at Cerro Tololo
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1988 SE2 = 1998 DO33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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