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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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09045693910689147 9.5947e-09  
a 2.218340363947 4.055e-09 au
q 2.017676084727086 2.06e-08 au
i 5.582925510575542 1.1569e-06 deg
node 202.1144721643692 1.001e-05 deg
peri 337.8030231247618 1.6744e-05 deg
M 202.1629307312214 1.2234e-05 deg
tp 2459729.611507114904
(2022-May-30.11150711)
4.1322e-05 TDB
period 1206.814998807406
3.30
3.3089e-06
9.059e-09
d
yr
n .2983058715343758 8.1792e-10 deg/d
Q 2.419004643166913 4.4217e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3670  
   data-arc span      42571 days (116.55 yr)  
   first obs. used      1904-08-03  
   last obs. used      2021-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:03:13  

Additional Information
 Earth MOID = 1.02074 au 
 Jupiter MOID = 2.54285 au 
 T_jup = 3.640 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456774.5 (2014-Apr-27.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08997663905754909 9.6266e-09  
q 2.018957577984095 2.0673e-08 au
tp 2457315.562994319448
(2015-Oct-20.06299432)
4.0604e-05 TDB
node 202.2026064517092 1.0012e-05 deg
peri 337.8846674648123 1.6816e-05 deg
i 5.581559138440913 1.1574e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3670  
   data-arc span      42571 days (116.55 yr)  
   first obs. used      1904-08-03  
   last obs. used      2021-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:03:13  

Additional Information
 Jupiter MOID = 2.54285 au 
 T_jup = 3.640 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.267138427744742E-17 -1.960395402379325E-16 1.667640336435004E-13 1.930610692451926E-14 2.983341837173563E-14 4.45289414810615E-16
q -1.960395402379325E-16 4.273603630896779E-16 -3.605100208548587E-13 -4.292377404715452E-14 -6.365274872747732E-14 -8.575740066281338E-16
tp 1.667640336435004E-13 -3.605100208548587E-13 1.648654743125667E-9 -3.261624370591546E-11 5.500238508621524E-10 -8.165528348082154E-12
node 1.930610692451926E-14 -4.292377404715452E-14 -3.261624370591546E-11 1.002361682809346E-10 -1.098586254344465E-10 7.812120185583831E-12
peri 2.983341837173563E-14 -6.365274872747732E-14 5.500238508621524E-10 -1.098586254344465E-10 2.82775846956112E-10 -1.064650117982491E-11
i 4.45289414810615E-16 -8.575740066281338E-16 -8.165528348082154E-12 7.812120185583831E-12 -1.064650117982491E-11 1.339503818251587E-12

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1921-Sep-07 22:10 < 00:01 Amphi 0.0225359804278331 0.0225322903279008 0.022539670541563 4.0789263767642 4.07892631422523 2422940.423740522 0.636058441506462 186.031254933167 17.2651069717936 8.67191046470381 34442.136402068 T 41 CATAB v2.0f-lin.ifort 2021-Apr-12 11:04:03 2021-Apr-12 11:04
2142-Jul-10 23:37 < 00:01 Iris 0.0463096676718629 0.0463062962588112 0.0463130397155135 6.37598461887901 6.37598459940954 2503600.483837930 0.151431091811946 322.191330953816 33.2729664579224 -59.0568030322217 178879.718776272 T 41 CATAB v2.0f-lin.ifort 2021-Apr-12 11:04:03 2021-Apr-12 11:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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