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79984 (1999 EQ1)
Classification: Main-belt Asteroid          SPK-ID: 2079984
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09522103405990344 4.2912e-08  
a 2.976670907197795 1.8658e-08 au
q 2.69322922535839 1.3247e-07 au
i 9.633186504717763 5.1007e-06 deg
node 340.6327576431406 2.3998e-05 deg
peri 319.4757348816555 3.3488e-05 deg
M 280.7015438111252 2.4268e-05 deg
tp 2459413.696746073999
(2021-Jul-18.19674607)
0.00012717 TDB
period 1875.835113767432
5.14
1.7637e-05
4.829e-08
d
yr
n .1919145224214164 1.8044e-09 deg/d
Q 3.2601125890372 2.0434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      21738 days (59.52 yr)  
   first obs. used      1960-10-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:45:13  

Additional Information
 Earth MOID = 1.68677 au 
 Jupiter MOID = 2.03345 au 
 T_jup = 3.233 
[ 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 14.2   n/a MPO432348  
diameter diameter 5.061 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79984 (1999 EQ1)          Discovered 1999-Mar-06 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 EQ1 = 2001 OM43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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