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120785 (1998 FT3)
Classification: Main-belt Asteroid          SPK-ID: 2120785
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729487822053402 4.8221e-08  
a 2.538897206798528 1.1833e-08 au
q 2.099798026738183 1.258e-07 au
i 1.962699882005139 4.186e-06 deg
node 15.26054276812552 0.00015971 deg
peri 73.47434737628191 0.00016036 deg
M 233.3975715245091 1.5489e-05 deg
tp 2459520.143667402868
(2021-Nov-01.64366740)
6.4244e-05 TDB
period 1477.631373408038
4.05
1.0331e-05
2.828e-08
d
yr
n .2436331594460456 1.7033e-09 deg/d
Q 2.977996386858873 1.388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      9695 days (26.54 yr)  
   first obs. used      1994-04-03  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:47  

Additional Information
 Earth MOID = 1.11726 au 
 Jupiter MOID = 2.22624 au 
 T_jup = 3.425 
[ 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 16.4   n/a MPO436583  
rotation period rot_per 4.590 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

120785 (1998 FT3)          Discovered 1998-Mar-20 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
2067-Nov-27 20:58 00:03 Iris 0.042870850542951 0.0428618814305964 0.0428798196727115 3.22926216819818 3.22926212667337 2476347.373884550 2.5463161077246 448.930575445151 88.1452943135697 5.64680035905686 15903.8017858683 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:54:48 2020-Nov-12 17:54
2186-Dec-18 11:21 00:04 Amphi 0.0481034178672638 0.0480982318188558 0.0481086162591202 2.44559622307255 2.44559617420592 2519831.972995515 3.71992619956224 1271.79303289097 58.2902137298981 -78.5822853392142 120850.689939913 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:54:48 2020-Nov-12 17:54

Alternate Designations
 1998 FT3 = 2002 CQ90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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