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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1935-Jul-08 07:22 < 00:01 Juno 0.0416268987939827 0.0416208617168124 0.0416329375178734 9.64158313362559 9.64158310331296 2427991.806893876 0.330211130208862 512.593995001696 30.1747401408346 54.1725834891777 167444.213463724 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:32:32 2020-Jun-23 20:32
1959-Nov-17 21:04 < 00:01 Amphi 0.0476233455355628 0.0476225587951863 0.0476241322863721 4.57207200847806 4.57207198207586 2436890.377679205 0.32059100221891 309.664033340716 38.9595434625922 89.1599123992204 182772.438361219 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:32:32 2020-Jun-23 20:32

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