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2577 Litva (1975 EE3)
Classification: Mars-crossing Asteroid          SPK-ID: 2002577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1376251843326895 1.5402e-08  
a 1.904347700957795 4.4901e-09 au
q 1.642261497579945 2.9446e-08 au
i 22.91386544041591 1.1686e-06 deg
node 182.5529178676759 2.8985e-06 deg
peri 284.1621432037797 9.968e-06 deg
M 279.9739202993301 1.1722e-05 deg
tp 2459609.876622915537
(2022-Jan-30.37662292)
3.1521e-05 TDB
period 959.8818852168528
2.63
3.3949e-06
9.295e-09
d
yr
n .3750461442645833 1.3264e-09 deg/d
Q 2.166433904335645 5.1081e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2527  
   data-arc span      31647 days (86.64 yr)  
   first obs. used      1934-11-03  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:42:49  

Additional Information
 Earth MOID = .759467 au 
 Jupiter MOID = 2.99423 au 
 T_jup = 3.836 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457548.5 (2016-Jun-09.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1376397713730804 1.5419e-08  
q 1.642299851414561 2.9486e-08 au
tp 2457689.593398598033
(2016-Oct-28.09339860)
2.9723e-05 TDB
node 182.6019684472667 2.8988e-06 deg
peri 283.9968430055313 9.9681e-06 deg
i 22.90993123397915 1.1681e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2527  
   data-arc span      31647 days (86.64 yr)  
   first obs. used      1934-11-03  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:42:49  

Additional Information
 Jupiter MOID = 2.99423 au 
 T_jup = 3.836 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.377320962997253E-16 -4.507291271192562E-16 -4.006491912631725E-14 -1.783916174802327E-14 6.362067760685355E-15 2.902072987001234E-15
q -4.507291271192562E-16 8.694210881675413E-16 9.491723823471646E-14 3.277573516238619E-14 -7.257682878541396E-15 -5.216787188065317E-15
tp -4.006491912631725E-14 9.491723823471646E-14 8.834468456767261E-10 -2.719538204134057E-11 2.853127385649396E-10 9.590265357764802E-12
node -1.783916174802327E-14 3.277573516238619E-14 -2.719538204134057E-11 8.403022643320647E-12 -1.576303448991446E-11 -2.116475700842109E-12
peri 6.362067760685355E-15 -7.257682878541396E-15 2.853127385649396E-10 -1.576303448991446E-11 9.936342643201714E-11 5.12949569458971E-12
i 2.902072987001234E-15 -5.216787188065317E-15 9.590265357764802E-12 -2.116475700842109E-12 5.12949569458971E-12 1.364498466310225E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.01   n/a E2021B10  
rotation period rot_per 2.81258 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2004) Minor Planet Bull. 31, 95-97.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D.; Pravec, P.; Harris, A.W.; Higgins, D.; Bembrick, C.; Brinsfield, J. (2009) CBET 1715.]
[Warner, B.D.; Pravec, P.; Harris, A.W.; Higgins, D.; et al. (2009) Minor Planet Bull. 36, 165-166.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 33-36.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
B-V BV 0.787   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.00 deg.
U-B UB 0.340   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.00 deg.
Tholen spectral type spec_T EU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices; used ground-based radiometric albedo

2577 Litva (1975 EE3)          Discovered 1975-Mar-12 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1975 EE3 = 1934 VY = 1954 JD = 1976 SA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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