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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08295368936232655 3.6305e-08  
a 3.184521092459174 1.7414e-08 au
q 2.920353318987539 1.1227e-07 au
i 17.2705141628484 3.8525e-06 deg
node 145.8918157694877 1.2569e-05 deg
peri 205.28046278 2.5866e-05 deg
M 117.7847089205077 2.2614e-05 deg
tp 2458521.372942582846
(2019-Feb-06.87294258)
0.00013076 TDB
period 2075.700172890673
5.68
1.7026e-05
4.661e-08
d
yr
n .1734354531072061 1.4226e-09 deg/d
Q 3.448688865930809 1.8859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2612  
   data-arc span      25317 days (69.31 yr)  
   first obs. used      1951-11-26  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:03:54  

Additional Information
 Earth MOID = 1.91828 au 
 Jupiter MOID = 1.95582 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 12.38   n/a E2021B10  
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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