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7629 Foros (1977 QK1)
Classification: Main-belt Asteroid          SPK-ID: 2007629
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2349370395238238 3.3713e-08  
a 2.365383308638853 6.5018e-09 au
q 1.809667156768173 8.1524e-08 au
i 1.883529407970029 3.5107e-06 deg
node 344.9534552320014 9.321e-05 deg
peri 25.4699394270087 9.3412e-05 deg
M 254.5104009425522 7.0913e-06 deg
tp 2459389.865851153847
(2021-Jun-24.36585115)
2.702e-05 TDB
period 1328.772766868229
3.64
5.4787e-06
1.5e-08
d
yr
n .2709266843634072 1.1171e-09 deg/d
Q 2.921099460509532 8.0293e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2061  
   data-arc span      15733 days (43.07 yr)  
   first obs. used      1977-08-19  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:26:45  

Additional Information
 Earth MOID = .809566 au 
 Jupiter MOID = 2.54565 au 
 T_jup = 3.510 
[ 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 14.3   n/a MPO337319  
diameter diameter 2.841 km 0.346 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.463   0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

7629 Foros (1977 QK1)          Discovered 1977-Aug-19 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 QK1 = 1948 TB2 = 1977 RW2 = 1977 TQ2 = 1988 TF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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