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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173834334514531 4.1677e-08  
a 2.238069870600805 1.0624e-08 au
q 1.849016484047891 9.2215e-08 au
i 3.627296305212388 4.0512e-06 deg
node 75.76064804578431 7.6389e-05 deg
peri 247.6231846366555 7.7824e-05 deg
M 300.590291199782 1.8204e-05 deg
tp 2457602.319818290770
(2016-Aug-01.81981829)
6.2777e-05 JED
period 1222.9505252921
3.35
8.7081e-06
2.384e-08
d
yr
n .2943700440490137 2.0961e-09 deg/d
Q 2.627123257153718 1.2471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1608  
   data-arc span      23076 days (63.18 yr)  
   first obs. used      1952-05-01  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50622  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:07:30  

Additional Information
 Earth MOID = .838379 au 
 Jupiter MOID = 2.67334 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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