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120707 (1997 ML1)
Classification: Main-belt Asteroid          SPK-ID: 2120707
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102712616701103 3.1464e-08  
a 3.13207293369499 2.2982e-08 au
q 2.473488006284141 1.0098e-07 au
i 14.09853571516062 4.3416e-06 deg
node 108.8509413303182 2.1167e-05 deg
peri 206.4741187851418 2.5013e-05 deg
M 6.791292739581892 1.3176e-05 deg
tp 2458962.305909125351
(2020-Apr-22.80590913)
7.4018e-05 TDB
period 2024.632605620865
5.54
2.2284e-05
6.101e-08
d
yr
n .1778100377325515 1.9571e-09 deg/d
Q 3.790657861105839 2.7815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8459 days (23.16 yr)  
   first obs. used      1997-06-03  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:10:41  

Additional Information
 Earth MOID = 1.4675 au 
 Jupiter MOID = 1.52094 au 
 T_jup = 3.133 
[ 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 14.8   n/a MPO436583  

120707 (1997 ML1)          Discovered 1997-Jun-27 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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