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70953 (1999 XY1)
Classification: Main-belt Asteroid          SPK-ID: 2070953
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2279257928213455 6.5226e-08  
a 2.522175929867032 7.9644e-09 au
q 1.947306981417174 1.6599e-07 au
i 18.3744066545401 5.9118e-06 deg
node 94.17144071529806 1.4363e-05 deg
peri 296.5822277811458 1.7577e-05 deg
M 61.98225581875962 9.0585e-06 deg
tp 2458748.601042959162
(2019-Sep-22.10104296)
3.6911e-05 TDB
period 1463.057827386388
4.01
6.9299e-06
1.897e-08
d
yr
n .2460599938439243 1.1655e-09 deg/d
Q 3.097044878316889 9.7796e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      10193 days (27.91 yr)  
   first obs. used      1992-03-06  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:18:10  

Additional Information
 Earth MOID = 1.02454 au 
 Jupiter MOID = 2.46722 au 
 T_jup = 3.350 
[ 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 14.8   n/a MPO359239  
diameter diameter 3.280 km 0.599 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.173   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70953 (1999 XY1)          Discovered 1999-Dec-03 by Juels, C. W. at Fountain Hills
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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