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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08883783138712971 3.3415e-08  
a 3.232764272948855 2.1564e-08 au
q 2.945572505554288 1.1136e-07 au
i 10.24550780804523 3.934e-06 deg
node 52.38132875142685 2.1762e-05 deg
peri 244.9968056561309 3.3493e-05 deg
M 11.9509239414507 2.3912e-05 deg
tp 2458930.021205791867
(2020-Mar-21.52120579)
0.00014117 TDB
period 2123.046388650001
5.81
2.1242e-05
5.816e-08
d
yr
n .1695676561400602 1.6966e-09 deg/d
Q 3.519956040343422 2.348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1905  
   data-arc span      11146 days (30.52 yr)  
   first obs. used      1990-04-24  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:02:34  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-Jul-01 00:02 00:03 Jupiter 1.80623318154063 1.80623285687914 1.80623350620212 4.08325654275099 3.96674875165024 2417027.501374786 3.003029469539 69.9137909426226 13.3866187647285 -85.6807512934623 4130768.97694633 T 33 CATAB v2.0f-lin.ifort 2020-Nov-12 22:02:39 2020-Nov-12 22:02
1917-Jan-21 17:09 00:03 Jupiter 1.82260139152899 1.82260094107122 1.82260184198717 4.15115886556548 4.03765457563997 2421250.214866548 2.68181068956175 83.9665268368138 16.5296302570304 -81.3733322753307 3962475.76959409 T 33 CATAB v2.0f-lin.ifort 2020-Nov-12 22:02:39 2020-Nov-12 22:02
1928-Aug-01 05:24 00:02 Jupiter 1.85729173459705 1.85729114249681 1.85729232669907 4.21082607472927 4.1010914713487 2425459.724866424 2.40640052132002 128.023160048705 17.782237810201 -80.0432046264504 4214803.63412754 T 33 CATAB v2.0f-lin.ifort 2020-Nov-12 22:02:39 2020-Nov-12 22:02
1940-Jan-27 20:52 00:02 Jupiter 1.91306842916083 1.91306776984587 1.91306908847828 4.26683888571021 4.16177871668569 2429656.369612734 2.14888063165708 145.105654888159 19.0037447724995 -79.73332002658 4429261.04578724 T 33 CATAB v2.0f-lin.ifort 2020-Nov-12 22:02:39 2020-Nov-12 22:02
1951-Jul-11 01:41 00:02 Jupiter 1.98553235119677 1.9855317091971 1.98553299319791 4.32900142968927 4.22930951860466 2433838.570381800 1.88545621345968 120.484495460866 20.421140643649 -78.6048703718943 4639977.7968339 T 33 CATAB v2.0f-lin.ifort 2020-Nov-12 22:02:39 2020-Nov-12 22:02

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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