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118330 (1999 AP)
Classification: Main-belt Asteroid          SPK-ID: 2118330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681699775211564 4.2598e-08  
a 2.388158200319284 1.0409e-08 au
q 1.986541689454625 1.0399e-07 au
i 5.001668460226562 4.453e-06 deg
node 348.2017649605153 4.8088e-05 deg
peri 155.8992332813636 5.0376e-05 deg
M 291.3616784040713 1.4861e-05 deg
tp 2459457.514260134713
(2021-Aug-31.01426013)
5.6386e-05 TDB
period 1348.009850724337
3.69
8.8129e-06
2.413e-08
d
yr
n .2670603629539935 1.746e-09 deg/d
Q 2.789774711183943 1.2159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5709  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:45  

Additional Information
 Earth MOID = .999719 au 
 Jupiter MOID = 2.22071 au 
 T_jup = 3.509 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO390539  
diameter diameter 3.450 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118330 (1999 AP)          Discovered 1999-Jan-04 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1999 AP = 2001 SU350 = 2003 AE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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