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52732 (1998 HT15)
Classification: Main-belt Asteroid          SPK-ID: 2052732
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 .129233974890578 4.8785e-08  
a 3.195087959339111 1.8865e-08 au
q 2.782174042228692 1.6016e-07 au
i 10.88253563064998 5.4654e-06 deg
node 180.5738402537356 2.0943e-05 deg
peri 20.67563213083067 2.6415e-05 deg
M 356.1837738697917 1.6928e-05 deg
tp 2459222.613335492712
(2021-Jan-08.11333549)
9.8153e-05 TDB
period 2086.040110244149
5.71
1.8475e-05
5.058e-08
d
yr
n .1725757804138607 1.5284e-09 deg/d
Q 3.60800187644953 2.1303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      8402 days (23.00 yr)  
   first obs. used      1998-03-22  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55195  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:40  

Additional Information
 Earth MOID = 1.78256 au 
 Jupiter MOID = 1.35282 au 
 T_jup = 3.155 
[ 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 MPCxxxxx  
diameter diameter 8.072 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52732 (1998 HT15)          Discovered 1998-Apr-22 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HT15 = 2000 SN203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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