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89350 (2001 VM71)
Classification: Main-belt Asteroid          SPK-ID: 2089350
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08086866101983924 4.1716e-08  
a 2.43112252750662 1.1082e-08 au
q 2.234520903931992 1.0423e-07 au
i 5.524630709566555 4.6326e-06 deg
node 91.69760757109464 4.6112e-05 deg
peri 325.8200744765539 5.3962e-05 deg
M 77.95501795582018 2.8299e-05 deg
tp 2459096.687128820176
(2020-Sep-04.18712882)
0.00010839 TDB
period 1384.550173356458
3.79
9.4669e-06
2.592e-08
d
yr
n .2600122458020282 1.7778e-09 deg/d
Q 2.627724151081248 1.1978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      8503 days (23.28 yr)  
   first obs. used      1997-11-29  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:34:57  

Additional Information
 Earth MOID = 1.24901 au 
 Jupiter MOID = 2.6085 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456882.5 (2014-Aug-13.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08129198095234066 4.1762e-08  
q 2.232717100929347 1.0431e-07 au
tp 2456323.833357770278
(2013-Jan-31.33335777)
0.00010498 TDB
node 91.73584255275271 4.6161e-05 deg
peri 324.7327902136226 5.3899e-05 deg
i 5.522747283683641 4.6304e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      8503 days (23.28 yr)  
   first obs. used      1997-11-29  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:34:57  

Additional Information
 Jupiter MOID = 2.6085 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.744058622344544E-15 -4.336606562262938E-15 -1.874806164273005E-14 -9.574515081872718E-15 -2.410389004830619E-15 -6.27702854923445E-16
q -4.336606562262938E-15 1.088100279599403E-14 9.987217078162248E-14 2.316921926966973E-14 2.880831890261603E-14 1.761728637810863E-15
tp -1.874806164273005E-14 9.987217078162248E-14 1.101996748451444E-8 -2.054736630768587E-12 2.937856831420913E-9 -1.116563105129192E-12
node -9.574515081872718E-15 2.316921926966973E-14 -2.054736630768587E-12 2.130862805177325E-9 -2.121251796011345E-9 -1.170435560515201E-11
peri -2.410389004830619E-15 2.880831890261603E-14 2.937856831420913E-9 -2.121251796011345E-9 2.905134343969857E-9 1.134040128213479E-11
i -6.27702854923445E-16 1.761728637810863E-15 -1.116563105129192E-12 -1.170435560515201E-11 1.134040128213479E-11 2.144016985810395E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.65   n/a E2021B10  
diameter diameter 2.215 km 0.356 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.227   0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

89350 (2001 VM71)          Discovered 2001-Nov-11 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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