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15988 Parini (1998 XD24)
Classification: Main-belt Asteroid          SPK-ID: 2015988
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767650924148 2.9143e-08  
a 2.268223142708677 7.5757e-09 au
q 1.867280469270389 6.8194e-08 au
i 5.427471609750494 3.2897e-06 deg
node 107.7698900161747 3.5144e-05 deg
peri 170.2879997365591 3.6457e-05 deg
M 294.6004007719133 9.8132e-06 deg
tp 2459227.172940709372
(2021-Jan-12.67294071)
3.4223e-05 TDB
period 1247.748604250299
3.42
6.2511e-06
1.711e-08
d
yr
n .2885196575445609 1.4455e-09 deg/d
Q 2.669165816146964 8.9148e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2362  
   data-arc span      31070 days (85.07 yr)  
   first obs. used      1935-05-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48395  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:54:45  

Additional Information
 Earth MOID = .851092 au 
 Jupiter MOID = 2.45713 au 
 T_jup = 3.588 
[ 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 14.0   n/a MPO452397  
diameter diameter 3.404 km 0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.444   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15988 Parini           Discovered 1998 Dec. 11 by Spacewatch at Kitt Peak.
Eduardo Parini (b. 1926) is a Paraguayan amateur astronomer who founded the Bueanaventura Suarez Observatory. His work is centred on deep-sky, solar observation and CCD astrophotography. Name suggested by W. A. Fröger. Citation provided by W. Villamayor-Venialbo.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-03-05Last Updated: 2015-03-09

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Alternate Designations
 1998 XD24 = 1935 KG = 1990 ST16 = 1991 YO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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