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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094778012841925 3.9106e-08  
a 2.364322711950694 9.5739e-09 au
q 2.105481859920053 9.1159e-08 au
i 6.400209352425496 4.4061e-06 deg
node 70.82878822384508 3.1928e-05 deg
peri 191.5717673743547 3.7229e-05 deg
M 84.52897804628816 1.8359e-05 deg
tp 2458688.710363496400
(2019-Jul-24.21036350)
6.8022e-05 TDB
period 1327.879169198412
3.64
8.0655e-06
2.208e-08
d
yr
n .2711090047578033 1.6467e-09 deg/d
Q 2.623163563981335 1.0622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      10605 days (29.03 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:14:31  

Additional Information
 Earth MOID = 1.09044 au 
 Jupiter MOID = 2.42618 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457373.5 (2015-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088914735965017 3.9037e-08  
q 2.107159601879427 9.0932e-08 au
tp 2457361.340940615778
(2015-Dec-04.84094062)
7.0664e-05 TDB
node 70.84379503429319 3.192e-05 deg
peri 191.8745027450716 3.7316e-05 deg
i 6.400833244086096 4.4068e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      10605 days (29.03 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:14:31  

Additional Information
 Jupiter MOID = 2.42618 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.523881690848471E-15 -3.534588901916418E-15 -1.268924171782768E-12 1.282456182524135E-14 -3.41817076187952E-13 -3.325569577037343E-16
q -3.534588901916418E-15 8.268543494360838E-15 2.821426086642361E-12 -3.01147983944016E-14 7.611421002561342E-13 9.083626967729609E-16
tp -1.268924171782768E-12 2.821426086642361E-12 4.993390357075547E-9 -2.439093481707377E-11 1.377058016240679E-9 2.20668954532148E-12
node 1.282456182524135E-14 -3.01147983944016E-14 -2.439093481707377E-11 1.018891442730604E-9 -1.018672286288273E-9 -4.286264547309813E-11
peri -3.41817076187952E-13 7.611421002561342E-13 1.377058016240679E-9 -1.018672286288273E-9 1.392450900981609E-9 4.323522400324458E-11
i -3.325569577037343E-16 9.083626967729609E-16 2.20668954532148E-12 -4.286264547309813E-11 4.323522400324458E-11 1.941951361503323E-11

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 MPO244836  

85758 (1998 SK160)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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