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JPL Small-Body Database Browser
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2250 Stalingrad (1972 HN)
Classification: Main-belt Asteroid          SPK-ID: 2002250
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800993217637147 3.4534e-08  
a 3.190781615845887 1.5115e-08 au
q 2.616124010935914 1.078e-07 au
i 1.523951641428028 4.1167e-06 deg
node 157.9080960978707 0.00013967 deg
peri 176.6115394530115 0.00014007 deg
M 20.38251523256803 1.1239e-05 deg
tp 2458482.631074806790
(2018-Dec-30.13107481)
6.484e-05 TDB
period 2081.824180450243
5.70
1.4792e-05
4.05e-08
d
yr
n .1729252659185377 1.2287e-09 deg/d
Q 3.765439220755861 1.7837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2518  
   data-arc span      23602 days (64.62 yr)  
   first obs. used      1955-04-16  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:32:55  

Additional Information
 Earth MOID = 1.6053 au 
 Jupiter MOID = 1.61313 au 
 T_jup = 3.171 
[ 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 11.9   n/a MPO337265  
diameter diameter 19.270 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2250 Stalingrad (1972 HN)          Discovered 1972-Apr-18 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1972 HN = 1951 UL = 1968 UK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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