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120770 (1998 DB7)
Classification: Main-belt Asteroid          SPK-ID: 2120770
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137345720778195 4.4403e-08  
a 2.435502355309473 1.0553e-08 au
q 2.100996528862502 1.0595e-07 au
i 5.794580075873947 5.2501e-06 deg
node 196.7459025356237 3.0232e-05 deg
peri 155.2324967877142 3.3458e-05 deg
M 88.43062262954786 1.3191e-05 deg
tp 2458659.478751693326
(2019-Jun-24.97875169)
5.0762e-05 TDB
period 1388.293395882768
3.80
9.0235e-06
2.47e-08
d
yr
n .2593111809561611 1.6855e-09 deg/d
Q 2.770008181756444 1.2003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      9065 days (24.82 yr)  
   first obs. used      1995-04-02  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:22:46  

Additional Information
 Earth MOID = 1.09746 au 
 Jupiter MOID = 2.67095 au 
 T_jup = 3.485 
[ 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 15.8   n/a MPO406930  

120770 (1998 DB7)          Discovered 1998-Feb-17 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 DB7 = 2000 SV259 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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