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120791 (1998 FP28)
Classification: Main-belt Asteroid          SPK-ID: 2120791
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2060992099777031 4.6892e-08  
a 2.607739938650755 1.2914e-08 au
q 2.070286797467531 1.2054e-07 au
i 3.966078565071206 7.0243e-06 deg
node 169.3412883918969 6.5857e-05 deg
peri 327.372327407176 6.8192e-05 deg
M 122.992757899663 1.6849e-05 deg
tp 2458475.001012362196
(2018-Dec-22.50101236)
7.0575e-05 TDB
period 1538.136381200116
4.21
1.1426e-05
3.128e-08
d
yr
n .2340494668743961 1.7386e-09 deg/d
Q 3.14519307983398 1.5576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:44  

Additional Information
 Earth MOID = 1.08521 au 
 Jupiter MOID = 1.89843 au 
 T_jup = 3.377 
[ 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 15.7   n/a MPO436583  
diameter diameter 1.848 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.326   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120791 (1998 FP28)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 FP28 = 2000 SN329 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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