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70409 Srnin (1999 SR2)
Classification: Main-belt Asteroid          SPK-ID: 2070409
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06568533920019991 3.1469e-08  
a 2.397043358773108 8.9935e-09 au
q 2.239592752674509 7.467e-08 au
i 7.413001284183688 3.0672e-06 deg
node 112.0177205409615 3.7966e-05 deg
peri 337.4894600335225 5.3777e-05 deg
M 126.9979550470209 3.8485e-05 deg
tp 2458522.303394736522
(2019-Feb-07.80339474)
0.00014429 TDB
period 1355.539763070305
3.71
7.6288e-06
2.089e-08
d
yr
n .2655768645138066 1.4946e-09 deg/d
Q 2.554493964871706 9.5843e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1387  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:48  

Additional Information
 Earth MOID = 1.2581 au 
 Jupiter MOID = 2.55716 au 
 T_jup = 3.514 
[ 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 15.1   n/a MPO417314  
rotation period rot_per 9.72471 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

70409 Srnín           Discovered 1999 Sept. 21 by M. Tichý at Kleť.
The village of Srnín, founded by Zlatá Koruna monastery, was first mentioned in 1400. Situated at the foot of the Kleť mountain, it is also known for its bakery. Srnín is the birthplace of Ondřej H{\accent23}łlap{u}lka (1752-1806), a musician and collector of folk songs.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100726/MPCPages.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1999 SR2 = 1998 KT67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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