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70001 (1998 XB7)
Classification: Main-belt Asteroid          SPK-ID: 2070001
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05856828491948483 4.3504e-08  
a 3.149765237620751 2.572e-08 au
q 2.96528888975429 1.3765e-07 au
i 9.931995221110402 4.9676e-06 deg
node 230.5752621749386 2.6002e-05 deg
peri 4.871985973650946 5.1587e-05 deg
M 126.9788779160003 4.7302e-05 deg
tp 2458280.313975445209
(2018-Jun-10.81397544)
0.00026525 TDB
period 2041.811780784804
5.59
2.5009e-05
6.847e-08
d
yr
n .1763139988650806 2.1596e-09 deg/d
Q 3.334241585487213 2.7226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8418 days (23.05 yr)  
   first obs. used      1997-10-07  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:02:35  

Additional Information
 Earth MOID = 1.95403 au 
 Jupiter MOID = 1.66516 au 
 T_jup = 3.182 
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Orbital Elements at Epoch 2457459.5 (2016-Mar-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05905925471618207 4.3053e-08  
q 2.96414503508943 1.3603e-07 au
tp 2458296.768342096716
(2018-Jun-27.26834210)
0.00026643 TDB
node 230.6220888949986 2.6016e-05 deg
peri 8.0261372500047 5.1815e-05 deg
i 9.927398391129781 4.9693e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8418 days (23.05 yr)  
   first obs. used      1997-10-07  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:02:35  

Additional Information
 Jupiter MOID = 1.66516 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.853570830745839E-15 -5.764516033028933E-15 -1.486285524069929E-12 3.404195924267498E-15 -2.749495742905168E-13 1.162587062661721E-15
q -5.764516033028933E-15 1.8504871152645E-14 6.619091935672958E-12 -1.201534965905098E-14 1.150722764968431E-12 -2.281990712241466E-15
tp -1.486285524069929E-12 6.619091935672958E-12 7.098489660145514E-8 -3.61454734922885E-11 1.19566839749541E-8 3.381671611702915E-12
node 3.404195924267498E-15 -1.201534965905098E-14 -3.61454734922885E-11 6.768312896941531E-10 -6.725636875397462E-10 -2.303060470008912E-11
peri -2.749495742905168E-13 1.150722764968431E-12 1.19566839749541E-8 -6.725636875397462E-10 2.684785125745947E-9 2.313118967480367E-11
i 1.162587062661721E-15 -2.281990712241466E-15 3.381671611702915E-12 -2.303060470008912E-11 2.313118967480367E-11 2.469391738336531E-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 14.6   n/a MPO432253  
diameter diameter 6.262 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70001 (1998 XB7)          Discovered 1998-Dec-08 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 XB7 = 2002 OF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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