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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05836710347588905 4.3377e-08  
a 3.150244984479583 2.5423e-08 au
q 2.966374309496063 1.3694e-07 au
i 9.931210349236084 4.9653e-06 deg
node 230.5776785726863 2.5234e-05 deg
peri 4.86247158303203 5.1091e-05 deg
M 162.2588595977583 4.744e-05 deg
tp 2458280.006261573619
(2018-Jun-10.50626157)		 0.00026506 TDB
period 2042.278287022272
5.59		 2.4722e-05
6.769e-08		 d
yr
n .1762737244417827 2.1338e-09 deg/d
Q 3.334115659463103 2.6907e-08 au
   Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      8496 days (23.26 yr)  
   first obs. used      1997-10-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57733  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:39:28  

Additional Information
 Earth MOID = 1.95377 au 
 Jupiter MOID = 1.66414 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457527.5 (2016-May-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05909270389461593 4.2928e-08  
q 2.963992712883671 1.3535e-07 au
tp 2458296.644217385873
(2018-Jun-27.14421739)		 0.00026526 TDB
node 230.6222370074809 2.5245e-05 deg
peri 8.011266298975602 5.1183e-05 deg
i 9.927426652206023 4.9675e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      8496 days (23.26 yr)  
   first obs. used      1997-10-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57733  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:39:28  

Additional Information
 Jupiter MOID = 1.66414 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.842840783107264E-15 -5.720304781938386E-15 -1.562547871709987E-12 2.334083625606903E-15 -2.896865380194862E-13 1.167484294745532E-15
q -5.720304781938386E-15 1.832094877686605E-14 6.939699522283696E-12 -8.589295922786744E-15 1.213815427556333E-12 -2.335853228115576E-15
tp -1.562547871709987E-12 6.939699522283696E-12 7.036215438061037E-8 -3.245121074683883E-11 1.18272558745041E-8 3.510558993465906E-12
node 2.334083625606903E-15 -8.589295922786744E-15 -3.245121074683883E-11 6.373321293190086E-10 -6.330353998461897E-10 -2.373947991324818E-11
peri -2.896865380194862E-13 1.213815427556333E-12 1.18272558745041E-8 -6.330353998461897E-10 2.619709248858001E-9 2.385523598093507E-11
i 1.167484294745532E-15 -2.335853228115576E-15 3.510558993465906E-12 -2.373947991324818E-11 2.385523598093507E-11 2.467608689685569E-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

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