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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726130438761719 3.3191e-08  
a 2.400869229517254 9.6826e-09 au
q 1.986447883861641 8.0864e-08 au
i 2.358106955661557 4.9957e-06 deg
node 11.21062240506597 8.6487e-05 deg
peri 259.7491468977449 8.7803e-05 deg
M 356.2744046209944 1.6949e-05 deg
tp 2459014.561911835556
(2020-Jun-14.06191184)
6.4002e-05 TDB
period 1358.786380648555
3.72
8.2199e-06
2.25e-08
d
yr
n .2649423081707445 1.6027e-09 deg/d
Q 2.815290575172867 1.1354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1286  
   data-arc span      10287 days (28.16 yr)  
   first obs. used      1991-11-06  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:54:21  

Additional Information
 Earth MOID = .97196 au 
 Jupiter MOID = 2.28923 au 
 T_jup = 3.504 
[ 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 14.9   n/a MPO436015  
rotation period rot_per 6.589 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:
[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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