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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090059497444251 5.6383e-08  
a 1.860456055657836 6.9535e-09 au
q 1.657655276353086 1.0308e-07 au
i 20.59326237673066 5.7282e-06 deg
node 218.9690762798789 1.5172e-05 deg
peri 109.989672471567 3.4745e-05 deg
M 158.8813055777734 3.4208e-05 deg
tp 2458591.429793002165
(2019-Apr-17.92979300)
8.6781e-05 TDB
period 926.8886228224834
2.54
5.1964e-06
1.423e-08
d
yr
n .3883961795795467 2.1775e-09 deg/d
Q 2.063256834962585 7.7115e-09 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:27:16  

Additional Information
 Earth MOID = .733802 au 
 Jupiter MOID = 3.1925 au 
 T_jup = 3.910 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457432.5 (2016-Feb-14.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109115713494027 5.6345e-08  
q 1.65731390802699 1.0298e-07 au
tp 2457664.681540837642
(2016-Oct-03.18154084)
8.3892e-05 TDB
node 218.9792678217427 1.5169e-05 deg
peri 110.0179430727815 3.4716e-05 deg
i 20.59591896335897 5.7283e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:27:16  

Additional Information
 Jupiter MOID = 3.1925 au 
 T_jup = 3.910 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.174794126489584E-15 -5.793309262627217E-15 -5.052552141029831E-13 -6.083126979539182E-14 -3.534213872880559E-13 -1.747153737680145E-14
q -5.793309262627217E-15 1.060574986254201E-14 1.204086222815393E-12 1.158413902926349E-13 7.454659393214468E-13 3.215488521842607E-14
tp -5.052552141029831E-13 1.204086222815393E-12 7.03779529833688E-9 1.238009415802334E-10 2.633070679207971E-9 -6.514191865836353E-12
node -6.083126979539182E-14 1.158413902926349E-13 1.238009415802334E-10 2.30092751869749E-10 -1.630152468998865E-10 3.436620885660791E-11
peri -3.534213872880559E-13 7.454659393214468E-13 2.633070679207971E-9 -1.630152468998865E-10 1.205215325324845E-9 -3.394355746718137E-11
i -1.747153737680145E-14 3.215488521842607E-14 -6.514191865836353E-12 3.436620885660791E-11 -3.394355746718137E-11 3.281314670500997E-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 17.3   n/a MPO433028  

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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