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10170 Petrjakes (1995 DA1)
Classification: Main-belt Asteroid          SPK-ID: 2010170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305282928658465 3.7871e-08  
a 2.622667653569462 1.1766e-08 au
q 2.280335321994564 1.0106e-07 au
i 9.052626736383365 4.0477e-06 deg
node 103.7766457358715 2.5563e-05 deg
peri 103.4228305092208 3.028e-05 deg
M 347.1530156275222 1.8391e-05 deg
tp 2459255.862030704620
(2021-Feb-10.36203070)
7.9382e-05 TDB
period 1551.362598086446
4.25
1.0439e-05
2.858e-08
d
yr
n .2320540668210308 1.5615e-09 deg/d
Q 2.964999985144359 1.3301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1762  
   data-arc span      10937 days (29.94 yr)  
   first obs. used      1991-04-10  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:33:12  

Additional Information
 Earth MOID = 1.29473 au 
 Jupiter MOID = 2.05801 au 
 T_jup = 3.374 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.03   n/a MPCxxxxx  
rotation period rot_per 29.2573 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.]

10170 Petrjakes (1995 DA1)          Discovered 1995-Feb-22 by Ticha, J. at Klet
Reference: 19990302/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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