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JPL Small-Body Database Browser
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39618 (1994 LT)
Classification: Inner Main-belt Asteroid          SPK-ID: 2039618
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09623640238255839 5.9951e-08  
a 1.932093506339793 7.4802e-09 au
q 1.746155778222949 1.1529e-07 au
i 23.37811944874092 5.2385e-06 deg
node 85.2567538595199 1.5077e-05 deg
peri 261.6336588794209 3.0756e-05 deg
M 148.2146623856488 2.8504e-05 deg
tp 2458596.641426914875
(2019-Apr-23.14142691)
7.743e-05 TDB
period 980.9359207144327
2.69
5.6966e-06
1.56e-08
d
yr
n .366996449409056 2.1313e-09 deg/d
Q 2.118031234456638 8.2e-09 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      24436 days (66.90 yr)  
   first obs. used      1953-03-09  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:31:50  

Additional Information
 Earth MOID = .833643 au 
 Jupiter MOID = 3.17038 au 
 T_jup = 3.807 
[ 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 15.4   n/a MPO449242  
rotation period rot_per 140. 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:
[Warner, B.D. (2012) Minor Planet Bull. 39, 158-167.]

39618 (1994 LT)          Discovered 1994-Jun-12 by McNaught, R. H. at Siding Spring
Reference: 20020526/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
2143-Jun-25 04:23 < 00:01 Iris 0.034732440913639 0.0347128507788423 0.034752038223838 11.3517003544815 11.3517003399008 2503949.682566098 0.35140257278001 1255.0081776085 37.1838794824587 38.8989964710657 87797.2663655614 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 05:32:01 2020-Feb-23 05:32
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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