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120777 (1998 DZ25)
Classification: Main-belt Asteroid          SPK-ID: 2120777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278226712708721 6.9603e-08  
a 2.695124105049916 1.8437e-08 au
q 2.350626142535917 1.8356e-07 au
i 3.179040084073455 6.5106e-06 deg
node 23.0331759743084 9.921e-05 deg
peri 331.6813224022791 0.00010139 deg
M 168.1757247181976 2.2251e-05 deg
tp 2458245.534012231714
(2018-May-07.03401223)
9.7626e-05 TDB
period 1616.093856898801
4.42
1.6583e-05
4.54e-08
d
yr
n .2227593394178362 2.2858e-09 deg/d
Q 3.039622067563915 2.0793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1998-02-23  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:23:13  

Additional Information
 Earth MOID = 1.34648 au 
 Jupiter MOID = 2.39017 au 
 T_jup = 3.356 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO453678  

120777 (1998 DZ25)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 DZ25 = 2000 SM61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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