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2211 Hanuman (1951 WO2)
Classification: Main-belt Asteroid          SPK-ID: 2002211
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08286633998264008 3.8344e-08  
a 3.184021974020803 1.8799e-08 au
q 2.920173726609398 1.2118e-07 au
i 17.26957625021008 4.0778e-06 deg
node 145.8953986333651 1.4577e-05 deg
peri 205.157644201716 2.9328e-05 deg
M 83.22840358948264 2.4762e-05 deg
tp 2458520.731671479237
(2019-Feb-06.23167148)
0.00014364 TDB
period 2075.212197020929
5.68
1.8378e-05
5.032e-08
d
yr
n .1734762355949903 1.5363e-09 deg/d
Q 3.447870221432208 2.0357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2118  
   data-arc span      24906 days (68.19 yr)  
   first obs. used      1951-11-26  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:15:34  

Additional Information
 Earth MOID = 1.91983 au 
 Jupiter MOID = 1.95594 au 
 T_jup = 3.123 
[ 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 12.3   n/a MPO384769  
diameter diameter 17.603 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2211 Hanuman (1951 WO2)          Discovered 1951-Nov-26 by Cunningham, L. E. at Mount Wilson
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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