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2989 Imago (1976 UF1)
Classification: Main-belt Asteroid          SPK-ID: 2002989
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739277696122679 4.1398e-08  
a 2.238323897807671 1.0449e-08 au
q 1.849017214592145 9.176e-08 au
i 3.627173870848917 4.012e-06 deg
node 75.75957250464788 7.5957e-05 deg
peri 247.610640101038 7.7355e-05 deg
M 359.4754774330621 1.8167e-05 deg
tp 2457602.282151011120
(2016-Aug-01.78215101)
6.1734e-05 JED
period 1223.158743671648
3.35
8.5649e-06
2.345e-08
d
yr
n .2943199334203839 2.0609e-09 deg/d
Q 2.627630581023197 1.2266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1618  
   data-arc span      23352 days (63.93 yr)  
   first obs. used      1952-05-01  
   last obs. used      2016-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50993  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:41:59  

Additional Information
 Earth MOID = .839762 au 
 Jupiter MOID = 2.67401 au 
 T_jup = 3.614 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO337274  
diameter diameter 12.5 km n/a DASTCOM value unverified
geometric albedo albedo 0.0595   0.016 EAR-A-5-DDR-ALBEDOS-V1.0:IMPS IMPS quality code 2: from the PDS IMPS singleton file

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

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