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2989 Imago (1976 UF1)
Classification: Main-belt Asteroid          SPK-ID: 2002989
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739839316074063 3.1852e-08  
a 2.238730477378706 6.2041e-09 au
q 1.849227347115033 7.3282e-08 au
i 3.627335019349019 3.0436e-06 deg
node 75.75758541076168 5.3143e-05 deg
peri 247.3841277863661 5.389e-05 deg
M 294.0553549726375 8.8521e-06 deg
tp 2458824.618743216244
(2019-Dec-07.11874322)
3.024e-05 TDB
period 1223.492029176441
3.35
5.0859e-06
1.392e-08
d
yr
n .2942397591607718 1.2231e-09 deg/d
Q 2.628233607642379 7.2835e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2597  
   data-arc span      24582 days (67.30 yr)  
   first obs. used      1952-05-01  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45074  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:28:23  

Additional Information
 Earth MOID = .839644 au 
 Jupiter MOID = 2.68017 au 
 T_jup = 3.614 
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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 13.0   n/a MPO435726  
diameter diameter 6.042 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 11.457 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Linville, D.; Jiang, H.; Michalik, D.; Wilson, S.; Ditteon, R. (2017) Minor Planet Bull. 44, 173-176.]
geometric albedo albedo 0.367   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2989 Imago (1976 UF1)          Discovered 1976-Oct-22 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1976 UF1 = 1952 JL = 1952 KW = 1966 UD1 = 1972 JK = 1982 HA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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