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181735 (1995 UX16)
Classification: Main-belt Asteroid          SPK-ID: 2181735
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966608309392899 5.6771e-08  
a 2.358903952722103 8.8203e-09 au
q 1.894999941273799 1.3806e-07 au
i 2.815028515960647 5.4257e-06 deg
node 152.2384677730347 6.6632e-05 deg
peri 207.8604221636972 6.746e-05 deg
M 6.95818246698014 9.8063e-06 deg
tp 2459174.922556941100
(2020-Nov-21.42255694)
3.6006e-05 TDB
period 1323.316763378917
3.62
7.4221e-06
2.032e-08
d
yr
n .2720437086286029 1.5258e-09 deg/d
Q 2.822807964170407 1.0555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      9153 days (25.06 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-11-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:49  

Additional Information
 Earth MOID = .890499 au 
 Jupiter MOID = 2.62889 au 
 T_jup = 3.525 
[ 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 17.40   n/a E2021B55  

181735 (1995 UX16)          Discovered 1995-Oct-17 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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
2072-Aug-14 19:21 00:01 Eunom 0.0334488064375834 0.0334433133879653 0.0334543006819666 4.58048362810124 4.58048353647878 2478069.306214210 1.12060360790012 419.286082495228 35.0235144297235 49.4763763694428 108789.867104201 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:50 2021-Apr-13 21:31

Alternate Designations
 1995 UX16 = 2002 RW21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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