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27751 (1991 FQ2)
Classification: Main-belt Asteroid          SPK-ID: 2027751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311338272807482 5.0823e-08  
a 2.710131571430958 1.406e-08 au
q 2.354741646034828 1.3319e-07 au
i 4.57749942923222 6.0384e-06 deg
node .7174792031250493 4.4182e-05 deg
peri 219.9621777364798 4.8311e-05 deg
M 68.79109872178044 1.9057e-05 deg
tp 2458289.103493950460
(2018-Jun-19.60349395)
8.6527e-05 TDB
period 1629.611159886021
4.46
1.2681e-05
3.472e-08
d
yr
n .2209115946562242 1.7191e-09 deg/d
Q 3.065521496827088 1.5903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      10461 days (28.64 yr)  
   first obs. used      1991-03-09  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53429  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:01:47  

Additional Information
 Earth MOID = 1.34927 au 
 Jupiter MOID = 1.9224 au 
 T_jup = 3.346 
[ 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 14.5   n/a MPO347729  
diameter diameter 3.304 km 0.679 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.308   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27751 (1991 FQ2)          Discovered 1991-Mar-20 by Debehogne, H. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 FQ2 = 1993 VC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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