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JPL Small-Body Database Browser
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11145 Emanuelli (1997 QH1)
Classification: Main-belt Asteroid          SPK-ID: 2011145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409771500563099 4.0079e-08  
a 2.205104500016692 8.1267e-09 au
q 1.894235152027995 9.0611e-08 au
i 5.118557749183161 3.8165e-06 deg
node 277.0486537012598 5.097e-05 deg
peri 350.2932560253705 5.4783e-05 deg
M 281.7736163805116 2.275e-05 deg
tp 2458860.392018890152
(2020-Jan-11.89201889)
7.6141e-05 TDB
period 1196.030322142438
3.27
6.6118e-06
1.81e-08
d
yr
n .3009957133487512 1.6639e-09 deg/d
Q 2.51597384800539 9.2724e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2001  
   data-arc span      16334 days (44.72 yr)  
   first obs. used      1974-08-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:53:32  

Additional Information
 Earth MOID = .877999 au 
 Jupiter MOID = 2.56578 au 
 T_jup = 3.644 
[ 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 13.8   n/a MPO384855  
diameter diameter 4.694 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.228   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

11145 Emanuelli           Discovered 1997 Aug. 29 by P. Sicoli and P. Chiavenna at Sormano.
Pio Emanuelli (1888-1946) begun his astronomical career by working for many years at the Vatican Observatory and teaching astronomy and history of astronomy at Rome University. He was also a scientific journalist and well-known popularizer of astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06

[ show close-approach data ]
Alternate Designations
 1997 QH1 = 1974 QW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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