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2574 Ladoga (1968 UP)
Classification: Main-belt Asteroid          SPK-ID: 2002574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07253365058967265 1.6597e-08  
a 2.850406932026824 1.0174e-08 au
q 2.643656511580809 4.854e-08 au
i 2.107124060725978 8.0828e-07 deg
node 22.0742267065347 1.5048e-05 deg
peri 306.8958696923956 1.5584e-05 deg
M 8.336959568815681 1.2048e-05 deg
tp 2459159.793485287645
(2020-Nov-06.29348529)
5.8827e-05 TDB
period 1757.756550872837
4.81
9.4112e-06
2.577e-08
d
yr
n .2048065187532581 1.0966e-09 deg/d
Q 3.057157352472839 1.0912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3142  
   data-arc span      25962 days (71.08 yr)  
   first obs. used      1949-12-14  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42316  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:57:52  

Additional Information
 Earth MOID = 1.63113 au 
 Jupiter MOID = 2.18832 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457257.5 (2015-Aug-23.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07336418066711202 1.6816e-08  
q 2.641040664971878 4.9244e-08 au
tp 2457411.359368055573
(2016-Jan-23.85936806)
5.8626e-05 TDB
node 22.22015673497568 1.5025e-05 deg
peri 308.7175332726407 1.566e-05 deg
i 2.109060767522454 8.084e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3142  
   data-arc span      25962 days (71.08 yr)  
   first obs. used      1949-12-14  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42316  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:57:52  

Additional Information
 Jupiter MOID = 2.18832 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.82793852124166E-16 -8.132344297830437E-16 3.257704181007971E-13 1.646824545772392E-13 -7.101497135139389E-14 2.283987600372014E-15
q -8.132344297830437E-16 2.424952676615415E-15 -1.026712255247385E-12 -4.858990978667858E-13 1.942142522883971E-13 -6.916710045399975E-15
tp 3.257704181007971E-13 -1.026712255247385E-12 3.43695374518239E-9 2.930878926873541E-10 4.93223660399141E-10 -1.274937537327948E-11
node 1.646824545772392E-13 -4.858990978667858E-13 2.930878926873541E-10 2.257554232441905E-10 -1.443845598669491E-10 -3.094704860632933E-12
peri -7.101497135139389E-14 1.942142522883971E-13 4.93223660399141E-10 -1.443845598669491E-10 2.452473661076548E-10 5.588938395866889E-13
i 2.283987600372014E-15 -6.916710045399975E-15 -1.274937537327948E-11 -3.094704860632933E-12 5.588938395866889E-13 6.53504715649922E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.83   n/a E2021B10  
diameter diameter 13.260 km 1.899 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 27.240 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Owings, L.E. (2013) Minor Planet Bull. 40, 8-10.]
geometric albedo albedo 0.353   0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2574 Ladoga (1968 UP)          Discovered 1968-Oct-22 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1968 UP = 1949 XA = 1956 EM = 1976 KT = 1976 ML = 1977 RG3 = 1977 TJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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