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JPL Small-Body Database Browser
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109982 (2001 SQ55)
Classification: Main-belt Asteroid          SPK-ID: 2109982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09842541018375818 5.8811e-08  
a 2.611949238144633 1.7401e-08 au
q 2.354867063001093 1.486e-07 au
i 9.818091613261497 5.8224e-06 deg
node 56.84103556255163 3.2876e-05 deg
peri 261.3926333666351 5.6382e-05 deg
M 115.449024992712 5.2499e-05 deg
tp 2458106.037575275735
(2017-Dec-18.53757528)
0.00022256 TDB
period 1541.86207213073
4.22
1.5408e-05
4.218e-08
d
yr
n .2334839195457404 2.3333e-09 deg/d
Q 2.869031413288174 1.9114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:08:46  

Additional Information
 Earth MOID = 1.36532 au 
 Jupiter MOID = 2.38023 au 
 T_jup = 3.382 
[ 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 15.0   n/a MPO453561  

109982 (2001 SQ55)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1958-Mar-19 15:58 < 00:01 Thisb 0.0493345445053838 0.0493184474227981 0.0493506419091801 4.98277531172713 4.98277528399059 2436282.165459616 0.877310353898416 826.66443234188 37.1892272994185 13.9217864685108 48507.1479430675 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 09:08:49 2019-Dec-14 09:09
1969-Jul-26 17:10 00:01 David 0.0473480910696189 0.0473378123802139 0.0473583700348022 5.06807533400449 5.06807527104844 2440429.215543514 1.05257813395416 543.436409736311 57.1355418476312 -19.5995011112825 43334.1653266805 T 18 CATAB v2.0f-lin.ifort 2019-Dec-14 09:08:49 2019-Dec-14 09:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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