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JPL Small-Body Database Browser
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523908 (1997 SO8)
Classification: Main-belt Asteroid          SPK-ID: 2523908
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2600859196709355 1.0736e-07  
a 2.280848196242248 4.1426e-08 au
q 1.687631695492789 2.7195e-07 au
i 3.490072848815208 1.1198e-05 deg
node 343.0676528747904 0.00016286 deg
peri 32.67669286804527 0.00023854 deg
M 206.5922337131973 0.00018174 deg
tp 2459536.651894104635
(2021-Nov-18.15189410)
0.00064941 TDB
period 1258.180642020555
3.44
3.4277e-05
9.385e-08
d
yr
n .2861274351049176 7.7952e-09 deg/d
Q 2.874064696991708 5.22e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1997-09-23  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:50  

Additional Information
 Earth MOID = .690009 au 
 Jupiter MOID = 2.59793 au 
 T_jup = 3.558 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456994.5 (2014-Dec-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2589346795158623 1.136e-07  
q 1.690945397626757 2.8917e-07 au
tp 2457017.867615288954
(2014-Dec-26.36761529)
0.00059111 TDB
node 343.1372582301861 0.00016253 deg
peri 32.32641422258064 0.00023974 deg
i 3.495130300186124 1.1217e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1997-09-23  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:50  

Additional Information
 Jupiter MOID = 2.59793 au 
 T_jup = 3.558 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.290513340606132E-14 -3.280185937761562E-14 -6.123878459942697E-11 -3.477041619984289E-12 -1.847902547917127E-11 1.162502445682307E-13
q -3.280185937761562E-14 8.361845543192261E-14 1.589805340359822E-10 9.019566541902419E-12 4.801237059047807E-11 -3.018650333413276E-13
tp -6.123878459942697E-11 1.589805340359822E-10 3.494070232326651E-7 1.981029393704634E-8 1.061445509561205E-7 -6.711027221622959E-10
node -3.477041619984289E-12 9.019566541902419E-12 1.981029393704634E-8 2.641541181759103E-8 -1.922789617044472E-8 -1.395345598234215E-9
peri -1.847902547917127E-11 4.801237059047807E-11 1.061445509561205E-7 -1.922789617044472E-8 5.747506061264969E-8 1.151020385196803E-9
i 1.162502445682307E-13 -3.018650333413276E-13 -6.711027221622959E-10 -1.395345598234215E-9 1.151020385196803E-9 1.258132312653266E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO303295  

523908 (1997 SO8)          Discovered 1997-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

Alternate Designations
 1997 SO8 = 2004 VB60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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