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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094777919990494 4.2492e-08  
a 2.36432271487045 1.1119e-08 au
q 2.105481884473235 1.0137e-07 au
i 6.400211431032797 4.5909e-06 deg
node 70.82880885828966 3.423e-05 deg
peri 191.57174183298 4.0448e-05 deg
M 84.52898124922147 1.9592e-05 deg
tp 2458688.710351104656
(2019-Jul-24.21035110)
7.2944e-05 TDB
period 1327.879171658154
3.64
9.3669e-06
2.565e-08
d
yr
n .2711090042556053 1.9124e-09 deg/d
Q 2.623163545267665 1.2336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      10549 days (28.88 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:10:39  

Additional Information
 Earth MOID = 1.09044 au 
 Jupiter MOID = 2.42618 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457046.5 (2015-Jan-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108908826600819 4.2502e-08  
q 2.107604737527975 1.013e-07 au
tp 2457360.920821852448
(2015-Dec-04.42082185)
7.714e-05 TDB
node 70.85196812400116 3.4221e-05 deg
peri 191.7215053473026 4.051e-05 deg
i 6.400530678237062 4.591e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      10549 days (28.88 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:10:39  

Additional Information
 Jupiter MOID = 2.42618 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.806399671431247E-15 -4.284720750946349E-15 -7.512482311144737E-13 9.183072275194326E-15 -1.65539957590512E-13 -8.518297519457426E-16
q -4.284720750946349E-15 1.026150602965369E-14 1.443498866963388E-12 -2.23983042880046E-14 2.936074827352888E-13 1.976354682938901E-15
tp -7.512482311144737E-13 1.443498866963388E-12 5.950603493439143E-9 -1.026773485739562E-11 1.682198447804668E-9 3.772999223649387E-12
node 9.183072275194326E-15 -2.23983042880046E-14 -1.026773485739562E-11 1.171071470100463E-9 -1.165805964056324E-9 -2.755940453917244E-11
peri -1.65539957590512E-13 2.936074827352888E-13 1.682198447804668E-9 -1.165805964056324E-9 1.641062061470794E-9 2.847699230788754E-11
i -8.518297519457426E-16 1.976354682938901E-15 3.772999223649387E-12 -2.755940453917244E-11 2.847699230788754E-11 2.107742515794716E-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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