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160662 (1999 XZ250)
Classification: Main-belt Asteroid          SPK-ID: 2160662
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08416156834382454 5.522e-08  
a 2.748825369421873 2.3766e-08 au
q 2.517479915228035 1.6065e-07 au
i 2.278572871031615 4.7873e-06 deg
node 300.4945671231201 0.00015257 deg
peri 91.8428892143707 0.00015577 deg
M 239.9079950130767 3.4625e-05 deg
tp 2459555.803930224059
(2021-Dec-07.30393022)
0.00016434 TDB
period 1664.63550094304
4.56
2.1589e-05
5.911e-08
d
yr
n .2162635602785443 2.8047e-09 deg/d
Q 2.980170823615711 2.5767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      7087 days (19.40 yr)  
   first obs. used      1999-12-05  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53762  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:22:31  

Additional Information
 Earth MOID = 1.52447 au 
 Jupiter MOID = 2.37933 au 
 T_jup = 3.340 
[ 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 15.8   n/a MPO433027  

160662 (1999 XZ250)          Discovered 1999-Dec-05 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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