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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04090234368091652 3.2289e-08  
a 3.005476192045551 1.5814e-08 au
q 2.882545171913692 9.2781e-08 au
i 2.385474548284563 3.5367e-06 deg
node 145.0782740597644 9.2124e-05 deg
peri 334.6806575553852 0.00010465 deg
M 106.4983329617773 5.0027e-05 deg
tp 2458437.499638248711
(2018-Nov-14.99963825)
0.00026395 TDB
period 1903.129603946071
5.21
1.502e-05
4.112e-08
d
yr
n .1891621039647289 1.493e-09 deg/d
Q 3.128407212177411 1.6461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1875  
   data-arc span      16331 days (44.71 yr)  
   first obs. used      1975-09-30  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:51:48  

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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