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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2421241326436466 5.6397e-08  
a 2.79351154638301 1.4046e-08 au
q 2.117134986185012 1.5892e-07 au
i 9.457199693353225 5.2993e-06 deg
node 34.92428297385427 2.7222e-05 deg
peri 332.1198730121149 2.8211e-05 deg
M 168.8456543817029 7.1561e-06 deg
tp 2458400.644528799101
(2018-Oct-09.14452880)
3.3116e-05 TDB
period 1705.391653026324
4.67
1.2862e-05
3.521e-08
d
yr
n .2110952046476582 1.5921e-09 deg/d
Q 3.469888106581008 1.7447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1406  
   data-arc span      11076 days (30.32 yr)  
   first obs. used      1990-09-18  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:39:51  

Additional Information
 Earth MOID = 1.12045 au 
 Jupiter MOID = 2.0057 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1993-Jan-05 22:10 < 00:01 Jupiter 1.9994171977337 1.99941670419173 1.99941769128953 2.40736112696549 2.22443659935476 2448993.423716510 0.528665917972504 428.975345457826 15.6354703931379 86.8575466796188 1859107.02387117 T 27 CATAB v2.0f-lin.ifort 2021-Feb-24 07:39:54 2021-Feb-24 07:39

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