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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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0512297301083551 3.2966e-08  
a 3.015566397505476 1.395e-08 au
q 2.861079744837446 1.0097e-07 au
i 11.78959402169043 3.5381e-06 deg
node 99.35853536520557 1.84e-05 deg
peri 72.77505243109704 4.189e-05 deg
M 259.8448994975827 3.9113e-05 deg
tp 2459532.635631695329
(2021-Nov-14.13563170)
0.00020907 TDB
period 1912.721633240187
5.24
1.3272e-05
3.634e-08
d
yr
n .1882134826854827 1.306e-09 deg/d
Q 3.170053050173506 1.4665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3770  
   data-arc span      24765 days (67.80 yr)  
   first obs. used      1953-01-11  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:56  

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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