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JPL Small-Body Database Browser
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1818 Brahms (1939 PE)
Classification: Main-belt Asteroid          SPK-ID: 2001818
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781873003109482 2.9169e-08  
a 2.164295431631479 5.7786e-09 au
q 1.778645471593747 6.3818e-08 au
i 2.979250054209321 4.4161e-06 deg
node 249.4552601994033 6.4926e-05 deg
peri 74.59775146783301 6.6349e-05 deg
M 143.8468272218509 1.5773e-05 deg
tp 2458535.801760175164
(2019-Feb-21.30176018)
5.0143e-05 TDB
period 1162.982664045362
3.18
4.6577e-06
1.275e-08
d
yr
n .3095488962387132 1.2397e-09 deg/d
Q 2.549945391669211 6.8083e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2224  
   data-arc span      42147 days (115.39 yr)  
   first obs. used      1904-09-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:05:43  

Additional Information
 Earth MOID = .769306 au 
 Jupiter MOID = 2.76525 au 
 T_jup = 3.672 
[ 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 13.9   n/a MPO502170  
diameter diameter 13.747 km 4.342 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.022   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

1818 Brahms (1939 PE)          Discovered 1939-Aug-15 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1939 PE = 1936 TF = 1955 SU = 1955 TN = 1955 UC = A904 RE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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