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101844 (1999 JL72)
Classification: Main-belt Asteroid          SPK-ID: 2101844
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 .0993259143056483 4.1642e-08  
a 2.207654661645006 9.1973e-09 au
q 1.988377343905989 9.39e-08 au
i 4.42863319003222 4.5076e-06 deg
node 150.5760551254153 4.9567e-05 deg
peri 69.38146877426973 5.6208e-05 deg
M 215.4080299140683 2.9918e-05 deg
tp 2459681.712399325138
(2022-Apr-12.21239932)
0.00010158 TDB
period 1198.10570154134
3.28
7.4872e-06
2.05e-08
d
yr
n .300474323373027 1.8777e-09 deg/d
Q 2.426931979384023 1.0111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      7962 days (21.80 yr)  
   first obs. used      1999-04-14  
   last obs. used      2021-01-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58218  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:57  

Additional Information
 Earth MOID = .984692 au 
 Jupiter MOID = 2.54434 au 
 T_jup = 3.649 
[ 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 16.5   n/a MPO432544  

101844 (1999 JL72)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 JL72 = 2002 CD102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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