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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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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08341423693890099 5.5307e-08  
a 2.750114743087213 2.4447e-08 au
q 2.520716020298172 1.609e-07 au
i 2.278178073627438 4.7894e-06 deg
node 300.4942848325269 0.00015244 deg
peri 91.57098968504455 0.00015568 deg
M 283.3447141835399 3.5112e-05 deg
tp 2459555.202504377080
(2021-Dec-06.70250438)
0.00016525 TDB
period 1665.806867924164
4.56
2.2212e-05
6.081e-08
d
yr
n .2161114874310802 2.8817e-09 deg/d
Q 2.979513465876255 2.6487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      7087 days (19.40 yr)  
   first obs. used      1999-12-05  
   last obs. used      2019-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53439  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:16  

Additional Information
 Earth MOID = 1.52644 au 
 Jupiter MOID = 2.37877 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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