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21199 (1994 PV8)
Classification: Main-belt Asteroid          SPK-ID: 2021199
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194075098007775 2.833e-08  
a 2.285788079723858 7.1118e-09 au
q 2.012847817191731 6.5191e-08 au
i 5.261418143349348 3.4717e-06 deg
node 147.0178345732416 3.7849e-05 deg
peri 306.2133410450252 4.1297e-05 deg
M 168.6822712756205 1.5853e-05 deg
tp 2458805.048263088150
(2019-Nov-17.54826309)
5.5604e-05 TDB
period 1262.270324427625
3.46
5.891e-06
1.613e-08
d
yr
n .2852003988632479 1.331e-09 deg/d
Q 2.558728342255985 7.961e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1341  
   data-arc span      9821 days (26.89 yr)  
   first obs. used      1994-08-10  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:31:22  

Additional Information
 Earth MOID = 1.03487 au 
 Jupiter MOID = 2.58903 au 
 T_jup = 3.587 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.34   n/a E2021B10  
diameter diameter 2.133 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.115 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.245   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21199 (1994 PV8)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PV8 = 2000 KT60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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