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101864 (1999 LF7)
Classification: Main-belt Asteroid          SPK-ID: 2101864
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01920025166180676 3.741e-08  
a 3.005021599558636 1.899e-08 au
q 2.947324428597946 1.1911e-07 au
i 3.97827582574231 4.0707e-06 deg
node 129.1744558577518 5.5649e-05 deg
peri 173.3706135832688 0.00012683 deg
M 35.36566519045542 0.00011208 deg
tp 2459013.582848431889
(2020-Jun-13.08284843)
0.00059279 TDB
period 1902.697834245185
5.21
1.8036e-05
4.938e-08
d
yr
n .1892050295746591 1.7935e-09 deg/d
Q 3.062718770519327 1.9355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      8649 days (23.68 yr)  
   first obs. used      1997-02-14  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:05  

Additional Information
 Earth MOID = 1.92989 au 
 Jupiter MOID = 1.96998 au 
 T_jup = 3.248 
[ 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 15.16   n/a E2021B55  

101864 (1999 LF7)          Discovered 1999-Jun-10 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 LF7 = 2000 TF56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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