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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375982531911445 1.5416e-08  
a 1.904787785142043 4.4807e-09 au
q 1.642692313206669 2.9472e-08 au
i 22.90746298952702 1.1684e-06 deg
node 182.5631380713165 2.9006e-06 deg
peri 284.0369266958771 9.9769e-06 deg
M 206.6101157434778 1.1646e-05 deg
tp 2459609.631145596909
(2022-Jan-30.13114560)
3.1562e-05 TDB
period 960.214639503676
2.63
3.3881e-06
9.276e-09
d
yr
n .3749161751856646 1.3229e-09 deg/d
Q 2.166883257077418 5.0972e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2506  
   data-arc span      31386 days (85.93 yr)  
   first obs. used      1934-11-03  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .31988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:58:08  

Additional Information
 Earth MOID = .759354 au 
 Jupiter MOID = 2.99493 au 
 T_jup = 3.836 
[ 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 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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