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101757 (1999 FA25)
Classification: Main-belt Asteroid          SPK-ID: 2101757
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2308434976156021 3.23e-08  
a 2.576812291300044 8.5563e-09 au
q 1.981971929277468 8.4872e-08 au
i 11.82617266931069 3.162e-06 deg
node 169.3147213934052 2.055e-05 deg
peri 297.551875604409 2.2158e-05 deg
M 99.0513821581805 9.3092e-06 deg
tp 2458584.799409689137
(2019-Apr-11.29940969)
3.8138e-05 TDB
period 1510.854359133759
4.14
7.5252e-06
2.06e-08
d
yr
n .2382757794115936 1.1868e-09 deg/d
Q 3.17165265332262 1.0531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      10640 days (29.13 yr)  
   first obs. used      1991-05-06  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:40  

Additional Information
 Earth MOID = 1.02878 au 
 Jupiter MOID = 2.05917 au 
 T_jup = 3.360 
[ 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 15.2   n/a MPO422324  
diameter diameter 3.138 km 0.802 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.149   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

101757 (1999 FA25)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 FA25 = 2001 QQ211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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