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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620985686841454 2.8666e-08  
a 2.223712405404554 5.1956e-09 au
q 1.863251807323298 6.4156e-08 au
i 2.615303948395326 3.6707e-06 deg
node 201.360685172281 6.3087e-05 deg
peri 61.49727475153398 6.4021e-05 deg
M 162.1782612095568 1.1728e-05 deg
tp 2458454.859630641098
(2018-Dec-02.35963064)
3.8701e-05 TDB
period 1211.201374981998
3.32
4.2449e-06
1.162e-08
d
yr
n .297225554260414 1.0417e-09 deg/d
Q 2.584173003485811 6.0378e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2782  
   data-arc span      32057 days (87.77 yr)  
   first obs. used      1932-04-01  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:19:12  

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

[ show close-approach data ]
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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