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17077 Pampaloni (1999 HY2)
Classification: Main-belt Asteroid          SPK-ID: 2017077
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06066202452601856 3.3492e-08  
a 2.36898885491618 8.7765e-09 au
q 2.225281194897391 7.9522e-08 au
i 11.95449794727809 4.2207e-06 deg
node 202.1216579870011 1.7166e-05 deg
peri 229.4325761876613 3.8763e-05 deg
M 62.93794397352732 3.3754e-05 deg
tp 2458767.662459066559
(2019-Oct-11.16245907)
0.00012489 TDB
period 1331.812090514037
3.65
7.4011e-06
2.026e-08
d
yr
n .2703084035384087 1.5021e-09 deg/d
Q 2.51269651493497 9.3089e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1543  
   data-arc span      23665 days (64.79 yr)  
   first obs. used      1955-04-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:55:37  

Additional Information
 Earth MOID = 1.25311 au 
 Jupiter MOID = 2.66582 au 
 T_jup = 3.514 
[ 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 14.6   n/a MPO452412  
diameter diameter 4.032 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17077 Pampaloni           Discovered 1999 Apr. 25 by A. Boattini and M. Tombelli at San Marcello Pistoiese.
Carlo Pampaloni (b. 1958) is an amateur astronomer who has specialized in visual observations of variable stars for the Groupe Européen d´Observation Stellaire since 1971. So far, he has achieved more than 50~000 visual magnitude estimates.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2036-May-23 17:02 < 00:01 Hebe 0.0223805704465919 0.0223769131005491 0.0223842278511471 5.72034321413166 5.72034316557327 2464837.210036275 0.460600881227178 191.518702355709 41.9644308895523 18.284822454219 30023.982104243 T 26 CATAB v2.0f-lin.ifort 2020-Feb-22 21:55:59 2020-Feb-22 21:56
2142-Feb-24 00:52 00:01 Hebe 0.0355566809848548 0.0355398995906048 0.0355734624070609 5.46905096315062 5.46905093118197 2503463.535935185 1.01992779762161 837.985091792561 39.5964645043897 3.38785339392859 10152.0962241799 T 26 CATAB v2.0f-lin.ifort 2020-Feb-22 21:55:59 2020-Feb-22 21:56

Alternate Designations
 1999 HY2 = 1997 WG57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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