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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768903008354506 1.6541e-08  
a 2.268453372508324 7.2968e-09 au
q 1.867185973014134 3.9687e-08 au
i 5.427458605751621 7.8761e-07 deg
node 107.7698568375186 8.3255e-06 deg
peri 170.292114259077 9.8602e-06 deg
M 352.305220616117 5.8625e-06 deg
tp 2459227.173922447706
(2021-Jan-12.67392245)
2.0385e-05 TDB
period 1247.938583045978
3.42
6.0212e-06
1.649e-08
d
yr
n .2884757350167902 1.3919e-09 deg/d
Q 2.669720772002514 8.5875e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2396  
   data-arc span      31094 days (85.13 yr)  
   first obs. used      1935-05-24  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:15:22  

Additional Information
 Earth MOID = .84912 au 
 Jupiter MOID = 2.45575 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 14.11   n/a E2021B10  
diameter diameter 3.404 km 0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 95.01 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

[ show close-approach data ]
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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