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17912 (1999 FV44)
Classification: Main-belt Asteroid          SPK-ID: 2017912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2104918520585504 1.1689e-08  
a 2.296843167182417 5.8734e-09 au
q 1.813376395034164 2.6147e-08 au
i 6.311225299185043 7.9237e-07 deg
node 203.7342836955532 1.5557e-05 deg
peri 181.6581783897377 1.4432e-05 deg
M 216.864395541663 6.5664e-06 deg
tp 2459706.022645484131
(2022-May-06.52264548)
2.4098e-05 TDB
period 1271.43873855131
3.48
4.8769e-06
1.335e-08
d
yr
n .2831438032242023 1.0861e-09 deg/d
Q 2.780309939330671 7.1097e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2122  
   data-arc span      13146 days (35.99 yr)  
   first obs. used      1985-01-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:17:39  

Additional Information
 Earth MOID = .816138 au 
 Jupiter MOID = 2.67248 au 
 T_jup = 3.557 
[ 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 14.29   n/a E2021B10  
diameter diameter 3.759 km 0.556 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

17912 (1999 FV44)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FV44 = 1990 QB18 = 1996 FG20 = 2000 LQ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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