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181986 (1999 VR104)
Classification: Main-belt Asteroid          SPK-ID: 2181986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645855883822985 4.8276e-08  
a 3.106927715224094 2.3281e-08 au
q 2.595572189152667 1.5867e-07 au
i 2.146865486558509 4.4982e-06 deg
node 55.23667439256337 0.00011845 deg
peri 273.3034816145878 0.00011975 deg
M 8.360513040588664 1.4286e-05 deg
tp 2459154.045736551681
(2020-Oct-31.54573655)
7.9401e-05 TDB
period 2000.300072520125
5.48
2.2483e-05
6.156e-08
d
yr
n .1799729975245392 2.0228e-09 deg/d
Q 3.618283241295522 2.7112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      21910 days (59.99 yr)  
   first obs. used      1960-10-22  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:53  

Additional Information
 Earth MOID = 1.58355 au 
 Jupiter MOID = 1.73418 au 
 T_jup = 3.198 
[ 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 15.80   n/a E2021B55  

181986 (1999 VR104)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1999 VR104 = 2004 RZ52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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