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181989 (1999 VW111)
Classification: Main-belt Asteroid          SPK-ID: 2181989
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001430383929557 4.2278e-08  
a 2.391321952000079 1.6018e-08 au
q 1.912715510751009 9.846e-08 au
i 1.264088322559885 4.6173e-06 deg
node 38.02191123073735 0.0002876 deg
peri 23.94708591346301 0.0002882 deg
M 307.2727749600302 2.1003e-05 deg
tp 2459594.328071643739
(2022-Jan-14.82807164)
8.0194e-05 TDB
period 1350.689434874666
3.70
1.3572e-05
3.716e-08
d
yr
n .2665305515130539 2.6781e-09 deg/d
Q 2.869928393249148 1.9224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:54  

Additional Information
 Earth MOID = .925426 au 
 Jupiter MOID = 2.45872 au 
 T_jup = 3.504 
[ 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 17.2   n/a MPO427111  

181989 (1999 VW111)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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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
1917-Jan-19 12:39 00:07 Hygie 0.0250661713203591 0.0250633497233448 0.0250690018712416 3.94520117771868 3.94520078701699 2421248.027043262 6.90888794448453 867.521554690299 69.0756427510481 -81.8459726635303 53640.0504795694 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:32:55 2021-Apr-13 21:32
1946-May-31 00:05 00:01 Iris 0.0338310744816106 0.0338196583190742 0.0338424926033044 2.15313105867139 2.15313097975144 2431971.503785378 1.44361577096165 698.588377839462 49.5211585878497 35.6895122819476 59799.3445233242 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:32:55 2021-Apr-13 21:32
1950-Feb-04 02:44 00:01 Iris 0.0204683409481394 0.0204648584772674 0.0204718306703551 2.28524920835905 2.28524908545765 2433316.613610096 1.32986329915285 659.380041919119 52.3068678931054 -75.4111435028345 56569.1146302328 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:32:55 2021-Apr-13 21:32
1953-Oct-12 03:36 00:01 Iris 0.0446908431560033 0.0446795793549973 0.0447021075685262 2.43984637376438 2.43984632104237 2434662.649894753 1.21928110834102 619.120997113242 54.8862794625454 -25.1236169190285 52555.1802813054 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:32:55 2021-Apr-13 21:32

Alternate Designations
 1999 VW111 = 2004 BU70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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