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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04052501233311314 3.1978e-08  
a 3.00676963856404 1.5397e-08 au
q 2.884920261878402 9.1506e-08 au
i 2.385643156711578 3.3995e-06 deg
node 145.0667621264498 9.0179e-05 deg
peri 335.0779190146927 0.00010257 deg
M 143.9474111567094 4.9186e-05 deg
tp 2458439.034872209845
(2018-Nov-16.53487221)
0.0002595 TDB
period 1904.358291696019
5.21
1.4628e-05
4.005e-08
d
yr
n .1890400569944138 1.452e-09 deg/d
Q 3.128619015249678 1.6021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1956  
   data-arc span      16412 days (44.93 yr)  
   first obs. used      1975-09-30  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:29  

Additional Information
 Earth MOID = 1.90089 au 
 Jupiter MOID = 1.889 au 
 T_jup = 3.248 
[ 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 13.84   n/a E2021B10  
rotation period rot_per 21.33 h n/a LCDB (Rev. 2020-October); 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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