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118289 (1998 SN10)
Classification: Main-belt Asteroid          SPK-ID: 2118289
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253905008868762 8.9363e-08  
a 2.313828720047685 9.8743e-09 au
q 2.023696577874467 2.0987e-07 au
i 6.969513971064252 8.719e-06 deg
node 312.4963140357866 5.164e-05 deg
peri 68.80199383709883 6.1454e-05 deg
M 45.00424609858277 3.1407e-05 deg
tp 2458839.788768851986
(2019-Dec-22.28876885)
0.00011193 TDB
period 1285.568545833431
3.52
8.2293e-06
2.253e-08
d
yr
n .2800317425055021 1.7926e-09 deg/d
Q 2.603960862220905 1.1112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:35  

Additional Information
 Earth MOID = 1.03781 au 
 Jupiter MOID = 2.87408 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457095.5 (2015-Mar-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263664269966835 8.9994e-08  
q 2.0210154707418 2.1167e-07 au
tp 2457552.760885044330
(2016-Jun-13.26088504)
0.00010842 TDB
node 312.6112670708358 5.1642e-05 deg
peri 68.36060189023856 6.1151e-05 deg
i 6.968794669861643 8.7255e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:35  

Additional Information
 Jupiter MOID = 2.87408 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.098895126408051E-15 -1.903491164111862E-14 -7.653380847796375E-12 7.740598577734328E-14 -2.262988877711131E-12 -2.746316106029596E-14
q -1.903491164111862E-14 4.480348157871818E-14 1.787907383634125E-11 -1.803940932376671E-13 5.277426626426127E-12 6.509963998180891E-14
tp -7.653380847796375E-12 1.787907383634125E-11 1.175556037261462E-8 -8.469013397954382E-11 3.59158975355639E-9 3.050815007992952E-11
node 7.740598577734328E-14 -1.803940932376671E-13 -8.469013397954382E-11 2.666879714038897E-9 -2.672203118754762E-9 3.368222790367624E-10
peri -2.262988877711131E-12 5.277426626426127E-12 3.59158975355639E-9 -2.672203118754762E-9 3.739426434848074E-9 -3.257827523834803E-10
i -2.746316106029596E-14 6.509963998180891E-14 3.050815007992952E-11 3.368222790367624E-10 -3.257827523834803E-10 7.613361958656945E-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 16.1   n/a MPO493675  

118289 (1998 SN10)          Discovered 1998-Sep-19 by Kawasato, N. at Uenohara
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 SN10 = 2002 XX58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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