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70005 (1998 XN28)
Classification: Outer Main-belt Asteroid          SPK-ID: 2070005
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08883783270085109 3.3108e-08  
a 3.232764272132308 2.139e-08 au
q 2.945572500563329 1.1004e-07 au
i 10.2455072308698 3.855e-06 deg
node 52.38132767829985 2.1714e-05 deg
peri 244.9968061888739 3.3407e-05 deg
M 11.95092465994864 2.3772e-05 deg
tp 2458930.021201581336
(2020-Mar-21.52120158)
0.00014035 TDB
period 2123.046387845627
5.81
2.1071e-05
5.769e-08
d
yr
n .1695676562043056 1.6829e-09 deg/d
Q 3.519956043701286 2.329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1924  
   data-arc span      11164 days (30.57 yr)  
   first obs. used      1990-04-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:05  

Additional Information
 Earth MOID = 1.94871 au 
 Jupiter MOID = 1.66601 au 
 T_jup = 3.155 
[ 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 12.6   n/a MPO493356  
diameter diameter 15.578 km 3.790 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.055   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

70005 (1998 XN28)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XN28 = 1990 HT = 2000 AS228 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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