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160565 (1998 SW99)
Classification: Main-belt Asteroid          SPK-ID: 2160565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2596113278622582 3.7747e-08  
a 2.295645451278807 1.0527e-08 au
q 1.699669887371363 8.683e-08 au
i 3.937057835340013 4.2043e-06 deg
node 312.8286829499006 0.00010841 deg
peri 345.2716388989586 0.0001091 deg
M 14.98223177056181 1.5097e-05 deg
tp 2458547.627522706392
(2019-Mar-05.12752271)
5.3179e-05 TDB
period 1270.444358169546
3.48
8.7386e-06
2.392e-08
d
yr
n .283365420677445 1.9491e-09 deg/d
Q 2.891621015186252 1.326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      8295 days (22.71 yr)  
   first obs. used      1997-03-09  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55256  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:51:59  

Additional Information
 Earth MOID = .683567 au 
 Jupiter MOID = 2.33691 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457022.5 (2014-Dec-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2595466513795256 3.7536e-08  
q 1.69974698527036 8.6238e-08 au
tp 2457277.810321512841
(2015-Sep-12.31032151)
5.176e-05 TDB
node 312.8757696242961 0.00010842 deg
peri 345.4054694240897 0.00010911 deg
i 3.937058040627041 4.2048e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      8295 days (22.71 yr)  
   first obs. used      1997-03-09  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55256  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:51:59  

Additional Information
 Jupiter MOID = 2.33691 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.408945553471911E-15 -3.22384701508817E-15 -7.272731806288185E-13 -6.736866748834537E-14 -2.022002301670427E-13 -9.205853031972514E-17
q -3.22384701508817E-15 7.436947391398482E-15 1.703767231897093E-12 1.518944041168004E-13 4.722128041345272E-13 2.066202932715251E-16
tp -7.272731806288185E-13 1.703767231897093E-12 2.679133926103056E-9 1.529177043557323E-10 7.320894053995447E-10 -2.465135957291931E-12
node -6.736866748834537E-14 1.518944041168004E-13 1.529177043557323E-10 1.175382293484798E-8 -1.16754503745325E-8 4.252249087316845E-11
peri -2.022002301670427E-13 4.722128041345272E-13 7.320894053995447E-10 -1.16754503745325E-8 1.190472771656142E-8 -4.322169557852592E-11
i -9.205853031972514E-17 2.066202932715251E-16 -2.465135957291931E-12 4.252249087316845E-11 -4.322169557852592E-11 1.768007411871636E-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 16.5   n/a MPO436809  

160565 (1998 SW99)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1998 SW99 = 2005 SA99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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