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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1984-Feb-29 12:50 00:02 Hygie 0.0269017395339162 0.0268993591477326 0.0269041206338741 2.92167987555213 2.92167938397749 2445760.034450240 2.1157507533988 309.535554293999 76.6713187435921 72.4881647116107 50040.7322038166 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 20:02:18 2021-Apr-13 20:02
1984-Sep-04 06:41 00:02 Psych 0.0153771891166772 0.0153756083342383 0.0153787713952243 1.8309519872728 1.83095155753921 2445947.778481867 2.01524941697473 325.015816931625 51.4642359355914 -79.3407634499443 43758.4281524158 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 20:02:18 2021-Apr-13 20:02
2139-Jul-23 05:13 00:05 Psych 0.0263022310681532 0.0262819531489286 0.0263225341844966 1.80417890194409 1.80417864697883 2502516.717375036 4.57597927179226 1628.16968323506 51.8383181641148 51.8335325712089 59433.2421775424 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 20:02:18 2021-Apr-13 20:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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