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201289 (2002 SY23)
Classification: Main-belt Asteroid          SPK-ID: 2201289
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198940308130829 5.5688e-08  
a 3.079798486681673 2.7104e-08 au
q 2.402569183353207 1.7777e-07 au
i 11.75501787851507 5.5166e-06 deg
node 82.9292273225375 2.9793e-05 deg
peri 258.4366459773758 3.1795e-05 deg
M 110.2125922942584 1.2104e-05 deg
tp 2458396.119288701053
(2018-Oct-04.61928870)
6.4821e-05 TDB
period 1974.157866523167
5.40
2.6061e-05
7.135e-08
d
yr
n .1823562371098631 2.4073e-09 deg/d
Q 3.75702779001014 3.3064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      6824 days (18.68 yr)  
   first obs. used      2001-05-18  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:01:05  

Additional Information
 Earth MOID = 1.42797 au 
 Jupiter MOID = 1.80435 au 
 T_jup = 3.159 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457111.5 (2015-Mar-30.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203780501736226 5.6553e-08  
q 2.402247740159235 1.8045e-07 au
tp 2456409.615070350965
(2013-Apr-27.11507035)
6.4371e-05 TDB
node 83.66892868457042 2.9737e-05 deg
peri 256.2243531862173 3.1651e-05 deg
i 11.76458473326426 5.5295e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      6824 days (18.68 yr)  
   first obs. used      2001-05-18  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:01:05  

Additional Information
 Jupiter MOID = 1.80435 au 
 T_jup = 3.159 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.198222225933903E-15 -1.014048107024358E-14 -2.747424961233613E-13 1.889026498034159E-16 -1.088233895792843E-13 -3.438567505743717E-15
q -1.014048107024358E-14 3.256071413763251E-14 6.221204344625579E-13 8.590409673740652E-15 3.250219330129821E-13 1.423150333619249E-14
tp -2.747424961233613E-13 6.221204344625579E-13 4.143672983858983E-9 3.168774985363723E-12 7.528863505834052E-10 1.00120773656035E-11
node 1.889026498034159E-16 8.590409673740652E-15 3.168774985363723E-12 8.842638571133285E-10 -8.637895278114101E-10 3.108200634503919E-11
peri -1.088233895792843E-13 3.250219330129821E-13 7.528863505834052E-10 -8.637895278114101E-10 1.001785452745882E-9 -2.8881931073776E-11
i -3.438567505743717E-15 1.423150333619249E-14 1.00120773656035E-11 3.108200634503919E-11 -2.8881931073776E-11 3.057555599453089E-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 14.9   n/a MPO454425  

201289 (2002 SY23)          Discovered 2002-Sep-27 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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