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85177 (1990 SE3)
Classification: Main-belt Asteroid          SPK-ID: 2085177
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419035808388842 5.6603e-08  
a 2.793972460268512 1.4099e-08 au
q 2.118100517364332 1.5945e-07 au
i 9.456033003981869 5.3056e-06 deg
node 34.93259480742605 2.7411e-05 deg
peri 332.1186118817402 2.8455e-05 deg
M 126.6343775073777 7.1762e-06 deg
tp 2458400.459274467323
(2018-Oct-08.95927447)
3.358e-05 TDB
period 1705.813740658052
4.67
1.2911e-05
3.535e-08
d
yr
n .2110429711166019 1.5974e-09 deg/d
Q 3.469844403172692 1.7509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      10858 days (29.73 yr)  
   first obs. used      1990-09-18  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:49  

Additional Information
 Earth MOID = 1.1229 au 
 Jupiter MOID = 2.00465 au 
 T_jup = 3.265 
[ 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 14.6   n/a MPO493473  
diameter diameter 7.286 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.52907 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.063   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85177 (1990 SE3)          Discovered 1990-Sep-18 by Holt, H. E. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1990 SE3 = 2000 XC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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