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JPL Small-Body Database Browser
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80304 (1999 XT70)
Classification: Main-belt Asteroid          SPK-ID: 2080304
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542696556877497 4.9388e-08  
a 2.363403843273651 1.023e-08 au
q 1.99880234612072 1.1489e-07 au
i 5.217050506167395 4.2919e-06 deg
node 236.70929716 5.4256e-05 deg
peri 120.4616715244281 5.5867e-05 deg
M 182.5337854424959 1.3969e-05 deg
tp 2459254.712017986941
(2021-Feb-09.21201799)
5.3423e-05 TDB
period 1327.105145407746
3.63
8.6168e-06
2.359e-08
d
yr
n .2712671269836662 1.7613e-09 deg/d
Q 2.728005340426581 1.1808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      7099 days (19.44 yr)  
   first obs. used      1999-11-15  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56246  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:37:49  

Additional Information
 Earth MOID = 1.00028 au 
 Jupiter MOID = 2.73812 au 
 T_jup = 3.528 
[ 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 15.9   n/a MPO436342  

80304 (1999 XT70)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XT70 = 2002 NK20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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