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1905 Ambartsumian (1972 JZ)
Classification: Main-belt Asteroid          SPK-ID: 2001905
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620985695735422 2.8131e-08  
a 2.223712405008132 5.1392e-09 au
q 1.863251805013373 6.3064e-08 au
i 2.615304006779951 3.5095e-06 deg
node 201.3606825465167 6.2836e-05 deg
peri 61.4972782400468 6.3714e-05 deg
M 162.178260776494 1.158e-05 deg
tp 2458454.859632244022
(2018-Dec-02.35963224)
3.8152e-05 TDB
period 1211.201374658116
3.32
4.1988e-06
1.15e-08
d
yr
n .2972255543398937 1.0304e-09 deg/d
Q 2.584173005002892 5.9723e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2974  
   data-arc span      32355 days (88.58 yr)  
   first obs. used      1932-04-01  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43959  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:21  

Additional Information
 Earth MOID = .849442 au 
 Jupiter MOID = 2.4815 au 
 T_jup = 3.629 
[ 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 12.8   n/a MPO502171  
diameter diameter 8.008 km 0.417 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 92.153 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.229   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1905 Ambartsumian (1972 JZ)          Discovered 1972-May-14 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1972 JZ = 1932 FC = 1952 HO3 = 1959 QD = 1962 JX = 1969 PF = 1976 SS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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