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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618862833874149 1.3156e-08  
a 2.223870729489021 4.4958e-09 au
q 1.863856562357984 2.9917e-08 au
i 2.615321481752519 8.8788e-07 deg
node 201.3419657342628 1.6977e-05 deg
peri 61.56656865451462 1.711e-05 deg
M 279.7919964560144 5.1535e-06 deg
tp 2459666.384498597367
(2022-Mar-27.88449860)
1.7673e-05 TDB
period 1211.330730128085
3.32
3.6733e-06
1.006e-08
d
yr
n .2971938142458699 9.0121e-10 deg/d
Q 2.583884896620058 5.2236e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3473  
   data-arc span      32575 days (89.19 yr)  
   first obs. used      1932-04-01  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41849  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:55:52  

Additional Information
 Earth MOID = .850059 au 
 Jupiter MOID = 2.47965 au 
 T_jup = 3.629 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.88   n/a MPCxxxxx  
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. 2020-October); 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

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 ]
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