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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726130425799045 3.2835e-08  
a 2.400869230670649 9.2406e-09 au
q 1.986447887928114 7.9636e-08 au
i 2.358106847695747 4.8643e-06 deg
node 11.21062460454899 8.6384e-05 deg
peri 259.7491464731778 8.7562e-05 deg
M 356.2744021016665 1.5506e-05 deg
tp 2459014.561921354657
(2020-Jun-14.06192135)
5.8547e-05 TDB
period 1358.786381627711
3.72
7.8447e-06
2.148e-08
d
yr
n .2649423079798242 1.5296e-09 deg/d
Q 2.815290573413184 1.0836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      10450 days (28.61 yr)  
   first obs. used      1991-11-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:32:17  

Additional Information
 Earth MOID = .971961 au 
 Jupiter MOID = 2.28923 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456442.5 (2013-May-30.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734485308397062 3.2937e-08  
q 1.983700662163416 7.9963e-08 au
tp 2456296.611397449162
(2013-Jan-04.11139745)
5.5743e-05 TDB
node 11.27734760770947 8.6443e-05 deg
peri 259.486741041895 8.7597e-05 deg
i 2.358470599393435 4.8619e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      10450 days (28.61 yr)  
   first obs. used      1991-11-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:32:17  

Additional Information
 Jupiter MOID = 2.28923 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.084816119259709E-15 -2.621474957126656E-15 -4.15076188359721E-13 6.834458302614955E-16 -8.687297923868102E-14 9.77205331150522E-17
q -2.621474957126656E-15 6.394012285458576E-15 9.97242093102456E-13 -1.975308820294576E-15 2.094839171395368E-13 -1.937157438167561E-16
tp -4.15076188359721E-13 9.97242093102456E-13 3.107328124476008E-9 7.305642718000602E-12 7.986299872438731E-10 7.369336645292042E-13
node 6.834458302614955E-16 -1.975308820294576E-15 7.305642718000602E-12 7.472419278514981E-9 -7.463702543833878E-9 3.261918618677778E-12
peri -8.687297923868102E-14 2.094839171395368E-13 7.986299872438731E-10 -7.463702543833878E-9 7.673205103497713E-9 -3.066903828155818E-12
i 9.77205331150522E-17 -1.937157438167561E-16 7.369336645292042E-13 3.261918618677778E-12 -3.066903828155818E-12 2.363836480524972E-11

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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