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JPL Small-Body Database Browser
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15670 (1975 SO1)
Classification: Main-belt Asteroid          SPK-ID: 2015670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04090234957267634 3.5192e-08  
a 3.005476189046555 1.7224e-08 au
q 2.882545151329818 1.0475e-07 au
i 2.385471423131462 4.2403e-06 deg
node 145.0782763292033 9.2347e-05 deg
peri 334.6806607019246 0.00010563 deg
M 106.4983286656553 5.1055e-05 deg
tp 2458437.499661802716
(2018-Nov-14.99966180)
0.00026979 TDB
period 1903.129601097531
5.21
1.636e-05
4.479e-08
d
yr
n .1891621042478603 1.6261e-09 deg/d
Q 3.128407226763292 1.7928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1609  
   data-arc span      16197 days (44.34 yr)  
   first obs. used      1975-09-30  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:24:22  

Additional Information
 Earth MOID = 1.89865 au 
 Jupiter MOID = 1.89114 au 
 T_jup = 3.249 
[ show covariance matrix ]

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 13.8   n/a MPO302162  
rotation period rot_per 21.33 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

15670 (1975 SO1)          Discovered 1975-Sep-30 by Bus, S. J. at Palomar
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1975 SO1 = 1999 JC106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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