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540 Rosamunde (A904 PE)
Classification: Main-belt Asteroid          SPK-ID: 2000540
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09045699345909253 3.3298e-08  
a 2.218340362517178 4.4221e-09 au
q 2.017675962854921 7.3334e-08 au
i 5.582928895238758 3.733e-06 deg
node 202.1144937761374 2.871e-05 deg
peri 337.802997669859 3.3439e-05 deg
M 202.1629366052184 1.8425e-05 deg
tp 2459729.611486912161
(2022-May-30.11148691)
6.2373e-05 TDB
period 1206.814997640636
3.30
3.6085e-06
9.88e-09
d
yr
n .2983058718227833 8.9197e-10 deg/d
Q 2.419004762179436 4.8221e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3582  
   data-arc span      42535 days (116.45 yr)  
   first obs. used      1904-08-03  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:30  

Additional Information
 Earth MOID = 1.02074 au 
 Jupiter MOID = 2.54285 au 
 T_jup = 3.640 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456705.5 (2014-Feb-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08993914397992955 3.3284e-08  
q 2.019110111990306 7.3266e-08 au
tp 2456108.510940976859
(2012-Jun-30.01094098)
5.9351e-05 TDB
node 202.2031313200726 2.8718e-05 deg
peri 337.8809660816826 3.3505e-05 deg
i 5.581404580990698 3.7325e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3582  
   data-arc span      42535 days (116.45 yr)  
   first obs. used      1904-08-03  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:30  

Additional Information
 Jupiter MOID = 2.54285 au 
 T_jup = 3.640 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.107842262270211E-15 -2.435034331253403E-15 4.234371263110169E-13 2.531271121891133E-15 1.213977011363483E-13 1.20583927281034E-16
q -2.435034331253403E-15 5.367971193428962E-15 -8.853599902885349E-13 -6.125486055439953E-15 -2.522256060850801E-13 -2.366321512541185E-16
tp 4.234371263110169E-13 -8.853599902885349E-13 3.522494189510352E-9 -1.473989372078306E-12 1.029674385845554E-9 3.237993319591301E-13
node 2.531271121891133E-15 -6.125486055439953E-15 -1.473989372078306E-12 8.247235511349494E-10 -8.208312223842478E-10 -2.218324555209385E-12
peri 1.213977011363483E-13 -2.522256060850801E-13 1.029674385845554E-9 -8.208312223842478E-10 1.122559442984749E-9 2.290260702735953E-12
i 1.20583927281034E-16 -2.366321512541185E-16 3.237993319591301E-13 -2.218324555209385E-12 2.290260702735953E-12 1.393160809998349E-11

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 10.71   n/a E2021B10 IRAS observations used: 8
diameter diameter 19.152 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.351 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Stephens, R.D. (2014) Minor Planet Bull. 41, 92-95.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.331   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.930   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=5.86, mean=6.24, max.=6.62) deg.
U-B UB 0.500   0.044 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.86 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

540 Rosamunde (A904 PE)          Discovered 1904-Aug-03 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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