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1844 Susilva (1972 UB)
Classification: Main-belt Asteroid          SPK-ID: 2001844
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05122973518414863 3.3572e-08  
a 3.015566397491177 1.4275e-08 au
q 2.861079729517487 1.0223e-07 au
i 11.78959419846856 3.5432e-06 deg
node 99.35853608863003 1.8881e-05 deg
peri 72.77505619544408 4.2671e-05 deg
M 259.8448952846732 3.9911e-05 deg
tp 2459532.635654075220
(2021-Nov-14.13565408)
0.00021344 TDB
period 1912.721633226582
5.24
1.3581e-05
3.718e-08
d
yr
n .1882134826868214 1.3364e-09 deg/d
Q 3.170053065464867 1.5006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3592  
   data-arc span      24494 days (67.06 yr)  
   first obs. used      1953-01-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:06:22  

Additional Information
 Earth MOID = 1.89608 au 
 Jupiter MOID = 1.92841 au 
 T_jup = 3.214 
[ 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 11.0   n/a MPO324322  
diameter diameter 26.800 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.118   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1844 Susilva (1972 UB)          Discovered 1972-Oct-30 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1972 UB = 1943 EU = 1953 AA = 1959 GJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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