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1062 Ljuba (1925 TD)
Classification: Main-belt Asteroid          SPK-ID: 2001062
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07030883555423238 2.041e-08  
a 3.006214621627075 1.0299e-08 au
q 2.794851172154368 5.8976e-08 au
i 5.595740207811976 7.2542e-07 deg
node 341.3791206964559 8.0635e-06 deg
peri 100.7344284526515 2.0813e-05 deg
M 85.69241098912289 1.7451e-05 deg
tp 2458943.322580266318
(2020-Apr-03.82258027)
9.2407e-05 TDB
period 1903.831030321153
5.21
9.7834e-06
2.679e-08
d
yr
n .1890924111785658 9.7171e-10 deg/d
Q 3.217578071099781 1.1023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3388  
   data-arc span      34955 days (95.70 yr)  
   first obs. used      1925-11-18  
   last obs. used      2021-08-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:17:46  

Additional Information
 Earth MOID = 1.81772 au 
 Jupiter MOID = 1.93837 au 
 T_jup = 3.240 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456631.5 (2013-Dec-05.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06671498308590547 1.9762e-08  
q 2.805316142839068 5.6549e-08 au
tp 2457043.931495553078
(2015-Jan-21.43149555)
0.00010068 TDB
node 341.4632145027167 8.0477e-06 deg
peri 101.6262750504665 2.202e-05 deg
i 5.602540581991732 7.2633e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3388  
   data-arc span      34955 days (95.70 yr)  
   first obs. used      1925-11-18  
   last obs. used      2021-08-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:17:46  

Additional Information
 Jupiter MOID = 1.93837 au 
 T_jup = 3.240 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.905411997097513E-16 -1.103213402495385E-15 -1.676745863193214E-12 -2.553432580213572E-14 -3.382782459651266E-13 3.602352163411002E-15
q -1.103213402495385E-15 3.197840801065822E-15 4.831695393089685E-12 7.287331672042735E-14 9.755341200113498E-13 -1.021555606167477E-14
tp -1.676745863193214E-12 4.831695393089685E-12 1.013576302975502E-8 9.187119816969192E-11 2.07356329321275E-9 -1.347712380147424E-11
node -2.553432580213572E-14 7.287331672042735E-14 9.187119816969192E-11 6.476558534586286E-11 -4.312812151474309E-11 -1.373823929115636E-12
peri -3.382782459651266E-13 9.755341200113498E-13 2.07356329321275E-9 -4.312812151474309E-11 4.848730285616964E-10 -1.702880310147884E-12
i 3.602352163411002E-15 -1.021555606167477E-14 -1.347712380147424E-11 -1.373823929115636E-12 -1.702880310147884E-12 5.275495781365955E-13

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 9.84   n/a E2021B10 IRAS observations used: 4
diameter diameter 58.031 km 1.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 33.8 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Cooney, W.R. (2005) Minor Planet Bull. 32, 15-16.]
geometric albedo albedo 0.060   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.720   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=12.18 deg.

1062 Ljuba (1925 TD)          Discovered 1925-Oct-11 by Belyavskij, S. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1925 TD = 1943 EH1 = 1976 MM = A904 TB = A914 SD = A917 GB = A924 ND 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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