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85758 (1998 SK160)
Classification: Main-belt Asteroid          SPK-ID: 2085758
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093501691138606 3.8871e-08  
a 2.364484543687682 9.3548e-09 au
q 2.105927758968325 9.0378e-08 au
i 6.400020915037659 4.3941e-06 deg
node 70.83019745643219 3.0407e-05 deg
peri 191.585180630453 3.562e-05 deg
M 138.7451683233867 1.7733e-05 deg
tp 2458688.678513990410
(2019-Jul-24.17851399)
6.5901e-05 TDB
period 1328.01550634174
3.64
7.8812e-06
2.158e-08
d
yr
n .2710811720803512 1.6088e-09 deg/d
Q 2.62304132840704 1.0378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      10693 days (29.28 yr)  
   first obs. used      1991-11-04  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:14:50  

Additional Information
 Earth MOID = 1.08918 au 
 Jupiter MOID = 2.42521 au 
 T_jup = 3.532 
[ 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 15.68   n/a MPCxxxxx  

85758 (1998 SK160)          Discovered 1998-Sep-26 by LINEAR at Socorro
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
2195-May-25 00:06 00:15 Psych 0.0322654215335623 0.0322376965253222 0.0322931481766683 3.08374730099581 3.08374717939483 2522911.504141692 14.7402784933312 1427.38479193014 34.407763490204 14.706633242575 35706.3104882373 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 14:14:53 2021-Apr-13 14:14

Alternate Designations
 1998 SK160 = 2002 XF95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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