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35661 (1998 QV39)
Classification: Main-belt Asteroid          SPK-ID: 2035661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725890369667645 3.2503e-08  
a 2.399850399508845 9.2058e-09 au
q 1.985662530193308 7.8994e-08 au
i 2.358695085668355 4.6006e-06 deg
node 11.18735507508031 8.5962e-05 deg
peri 259.5620939710679 8.7047e-05 deg
M 101.4014219283431 1.5413e-05 deg
tp 2459014.013399063804
(2020-Jun-13.51339906)
5.7392e-05 TDB
period 1357.921552957464
3.72
7.8135e-06
2.139e-08
d
yr
n .2651110435768132 1.5254e-09 deg/d
Q 2.814038268824381 1.0795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1335  
   data-arc span      10450 days (28.61 yr)  
   first obs. used      1991-11-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:09:25  

Additional Information
 Earth MOID = .971092 au 
 Jupiter MOID = 2.2876 au 
 T_jup = 3.505 
[ 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 14.92   n/a E2021B10  
rotation period rot_per 6.589 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

35661 (1998 QV39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QV39 = 2001 FN44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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