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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05157553005284161 3.3853e-08  
a 3.014347501063626 1.4416e-08 au
q 2.85888093093281 1.0277e-07 au
i 11.78953799528188 3.6507e-06 deg
node 99.36002515640405 1.9004e-05 deg
peri 73.05721254188508 4.2793e-05 deg
M 184.2559128412329 3.9693e-05 deg
tp 2459533.682582814985
(2021-Nov-15.18258282)
0.00021305 TDB
period 1911.562063023501
5.23
1.3713e-05
3.754e-08
d
yr
n .188327654625344 1.351e-09 deg/d
Q 3.16981407119444 1.5159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3472  
   data-arc span      24426 days (66.87 yr)  
   first obs. used      1953-01-11  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36274  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:27:40  

Additional Information
 Earth MOID = 1.89438 au 
 Jupiter MOID = 1.93004 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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