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1569 Evita (1948 PA)
Classification: Main-belt Asteroid          SPK-ID: 2001569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337866734030179 2.3763e-08  
a 3.149955500243744 1.2389e-08 au
q 2.728533432498594 7.8724e-08 au
i 12.26547266873543 1.0826e-06 deg
node 99.51552398180395 4.573e-06 deg
peri 248.8724292729299 1.0002e-05 deg
M 308.4082147252365 8.1142e-06 deg
tp 2459493.139610615459
(2021-Oct-05.63961062)
4.6733e-05 TDB
period 2041.996788064208
5.59
1.2047e-05
3.298e-08
d
yr
n .1762980246121133 1.0401e-09 deg/d
Q 3.571377567988893 1.4047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2989  
   data-arc span      26365 days (72.18 yr)  
   first obs. used      1948-08-03  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:48:42  

Additional Information
 Earth MOID = 1.74905 au 
 Jupiter MOID = 1.89364 au 
 T_jup = 3.159 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457153.5 (2015-May-11.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334822147226117 2.3781e-08  
q 2.72736080712917 7.8654e-08 au
tp 2457460.238369035695
(2016-Mar-12.73836904)
4.3924e-05 TDB
node 99.52492927766923 4.5738e-06 deg
peri 249.9821677813889 1.008e-05 deg
i 12.26628571423032 1.082e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2989  
   data-arc span      26365 days (72.18 yr)  
   first obs. used      1948-08-03  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:48:42  

Additional Information
 Jupiter MOID = 1.89364 au 
 T_jup = 3.159 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.655241728750168E-16 -1.853776932579434E-15 -2.058452885613708E-13 1.2207055622841E-14 -9.483390098080632E-15 -2.090920363723582E-15
q -1.853776932579434E-15 6.186408751614814E-15 7.151759662460767E-13 -3.981090495480693E-14 3.650937719670805E-14 7.318911988220719E-15
tp -2.058452885613708E-13 7.151759662460767E-13 1.929325000914987E-9 -1.087118366100199E-12 3.873223998368132E-10 7.936715917724753E-12
node 1.2207055622841E-14 -3.981090495480693E-14 -1.087118366100199E-12 2.091992314671245E-11 -2.035626100716562E-11 3.616366250251257E-12
peri -9.483390098080632E-15 3.650937719670805E-14 3.873223998368132E-10 -2.035626100716562E-11 1.016014246240685E-10 -2.303026655321349E-12
i -2.090920363723582E-15 7.318911988220719E-15 7.936715917724753E-12 3.616366250251257E-12 -2.303026655321349E-12 1.170753411133277E-12

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 11.26   n/a E2021B10  
diameter diameter 36.346 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.047   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1569 Evita (1948 PA)          Discovered 1948-Aug-03 by Itzigsohn, M. at La Plata
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1948 PA = 1936 KE = 1947 LA = 1976 SJ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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