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97281 (1999 XD151)
Classification: Main-belt Asteroid          SPK-ID: 2097281
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .18056855942525 4.9022e-08  
a 2.742522573481989 1.7217e-08 au
q 2.247309223197117 1.3684e-07 au
i 11.06033261706318 4.645e-06 deg
node 78.9280508543971 2.8829e-05 deg
peri 332.7700752630562 3.1738e-05 deg
M 173.056363827966 1.5474e-05 deg
tp 2458203.040168248666
(2018-Mar-25.54016825)
6.7731e-05 TDB
period 1658.913507022891
4.54
1.5621e-05
4.277e-08
d
yr
n .217009505604702 2.0435e-09 deg/d
Q 3.237735923766861 2.0325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      7531 days (20.62 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:30:33  

Additional Information
 Earth MOID = 1.26503 au 
 Jupiter MOID = 2.13244 au 
 T_jup = 3.299 
[ 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 14.9   n/a MPO280420  
diameter diameter 2.908 km 0.766 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97281 (1999 XD151)          Discovered 1999-Dec-09 by LONEOS at Anderson Mesa
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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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
1900-Jun-02 18:49 00:02 Eunom 0.0291397229342326 0.0291171438248263 0.0291623060358658 7.70584621154879 7.70584614903323 2415173.283995905 2.0561835130911 1247.71019898596 42.7371715520797 25.5635543732221 44112.2248352103 T 19 CATAB v2.0f-lin.ifort 2020-May-20 17:30:51 2020-May-20 17:30
2107-Jul-24 09:49 < 00:01 Inter 0.0462570920005136 0.0462409264067223 0.046273258868844 7.86247603251974 7.86247599226833 2490829.908698340 0.892627194077242 892.481734329888 42.3125009386014 25.4672937207779 70651.3224921239 T 19 CATAB v2.0f-lin.ifort 2020-May-20 17:30:51 2020-May-20 17:30
2136-Nov-04 23:02 00:02 Eunom 0.025122440565902 0.025095123021138 0.025149762430996 7.86383878299092 7.86383871193546 2501526.459482574 2.27681531090489 1457.72924906007 43.480088815862 20.8935600938283 30908.8933266932 T 19 CATAB v2.0f-lin.ifort 2020-May-20 17:30:51 2020-May-20 17:30
2193-May-28 08:47 00:04 Psych 0.0246816012883237 0.0246601563165927 0.0247030680505118 3.16436184295981 3.16436168804473 2522184.865933068 4.24340446574363 1574.23981563744 49.5318469160853 -47.2866205378109 54714.3404639069 T 19 CATAB v2.0f-lin.ifort 2020-May-20 17:30:51 2020-May-20 17:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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