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160898 (2001 SY262)
Classification: Mars-crossing Asteroid          SPK-ID: 2160898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091080419637535 5.6363e-08  
a 1.860276558775918 6.9566e-09 au
q 1.657305425936809 1.0302e-07 au
i 20.59427811649998 5.7158e-06 deg
node 218.9637945290228 1.5171e-05 deg
peri 110.02441728 3.4712e-05 deg
M 236.5325997940082 3.4426e-05 deg
tp 2459518.344353052935
(2021-Oct-30.84435305)
8.967e-05 TDB
period 926.7544866754532
2.54
5.1985e-06
1.423e-08
d
yr
n .3884523950797672 2.179e-09 deg/d
Q 2.063247691615028 7.7157e-09 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      7962 days (21.80 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:16  

Additional Information
 Earth MOID = .732117 au 
 Jupiter MOID = 3.19174 au 
 T_jup = 3.910 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457443.5 (2016-Feb-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091203750550799 5.6335e-08  
q 1.657297413962761 1.0297e-07 au
tp 2457664.685276258931
(2016-Oct-03.18527626)
8.388e-05 TDB
node 218.9792975663794 1.5168e-05 deg
peri 110.02047035075 3.4708e-05 deg
i 20.59598154723001 5.7158e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      7962 days (21.80 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:16  

Additional Information
 Jupiter MOID = 3.19174 au 
 T_jup = 3.910 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.173587610211303E-15 -5.791224569957436E-15 -5.056504109934242E-13 -6.092257973489505E-14 -3.536095590236914E-13 -1.727554255920107E-14
q -5.791224569957436E-15 1.060213703688053E-14 1.205024222257459E-12 1.160379420885884E-13 7.459171290929756E-13 3.179612412445499E-14
tp -5.056504109934242E-13 1.205024222257459E-12 7.035806154171954E-9 1.238905362344549E-10 2.63203864120531E-9 -6.723173066205952E-12
node -6.092257973489505E-14 1.160379420885884E-13 1.238905362344549E-10 2.300543720384742E-10 -1.629378126935338E-10 3.44389498421333E-11
peri -3.536095590236914E-13 7.459171290929756E-13 2.63203864120531E-9 -1.629378126935338E-10 1.20463481097966E-9 -3.410827218429219E-11
i -1.727554255920107E-14 3.179612412445499E-14 -6.723173066205952E-12 3.44389498421333E-11 -3.410827218429219E-11 3.267075895484115E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.40   n/a E2020-QM9  

160898 (2001 SY262)          Discovered 2001-Sep-24 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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