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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08883783071632367 3.4918e-08  
a 3.232764273839047 2.2592e-08 au
q 2.945572508533954 1.1796e-07 au
i 10.24551138806514 4.3383e-06 deg
node 52.3813305290472 2.1791e-05 deg
peri 244.9968054676801 3.3986e-05 deg
M 11.95092218303195 2.5007e-05 deg
tp 2458930.021216132769
(2020-Mar-21.52121613)
0.00014755 TDB
period 2123.046389526921
5.81
2.2255e-05
6.093e-08
d
yr
n .1695676560700206 1.7775e-09 deg/d
Q 3.519956039144138 2.4599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1782  
   data-arc span      11056 days (30.27 yr)  
   first obs. used      1990-04-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:24:56  

Additional Information
 Earth MOID = 1.94871 au 
 Jupiter MOID = 1.66601 au 
 T_jup = 3.155 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457209.5 (2015-Jul-06.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08911904238000866 3.482e-08  
q 2.942943821694995 1.176e-07 au
tp 2456821.840511902185
(2014-Jun-13.34051190)
0.00015284 TDB
node 52.45645313661797 2.1734e-05 deg
peri 247.2064050956432 3.3957e-05 deg
i 10.26229345942781 4.3441e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1782  
   data-arc span      11056 days (30.27 yr)  
   first obs. used      1990-04-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:24:56  

Additional Information
 Jupiter MOID = 1.66601 au 
 T_jup = 3.155 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.212458193059797E-15 -4.035027485756571E-15 2.414935886096961E-13 3.071301964261576E-15 5.771553298745795E-14 -5.616182565313093E-16
q -4.035027485756571E-15 1.383068093238777E-14 -1.697779535072072E-12 -1.176057477524366E-14 -3.290164133789105E-13 2.537340815955853E-15
tp 2.414935886096961E-13 -1.697779535072072E-12 2.335879508153586E-8 3.134018069522469E-12 4.004914095018729E-9 1.988804032109381E-13
node 3.071301964261576E-15 -1.176057477524366E-14 3.134018069522469E-12 4.723756212660498E-10 -4.640161685240583E-10 -2.612494827205189E-12
peri 5.771553298745795E-14 -3.290164133789105E-13 4.004914095018729E-9 -4.640161685240583E-10 1.153079682084854E-9 2.675002354136716E-12
i -5.616182565313093E-16 2.537340815955853E-15 1.988804032109381E-13 -2.612494827205189E-12 2.675002354136716E-12 1.887155338164435E-11

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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