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JPL Small-Body Database Browser
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900 Rosalinde (A918 PJ)
Classification: Main-belt Asteroid          SPK-ID: 2000900
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.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628056602800546 3.4797e-08  
a 2.473170215565671 7.1488e-09 au
q 2.070524105635537 8.6433e-08 au
i 11.55895283338992 3.6206e-06 deg
node 182.2581362649701 2.0254e-05 deg
peri 121.7821363408881 2.3401e-05 deg
M 73.48984043459076 1.1665e-05 deg
tp 2458710.495830486426
4.597e-05 TDB
period 1420.624951796006
n .2534095994476761 1.0987e-09 deg/d
Q 2.875816325495805 8.3127e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2539  
   data-arc span      37057 days (101.46 yr)  
   first obs. used      1918-08-10  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:39:51  

Additional Information
 Earth MOID = 1.08258 au 
 Jupiter MOID = 2.46669 au 
 T_jup = 3.437 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.6   n/a MPO502161 IRAS observations used: 4
diameter diameter 19.618 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 16.648 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Garceran, A.C.; Aznar, A.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 92-97.]
[Stoelting, M.; DeGraff, D.R. (2016) Minor Planet Bull. 43, 44-45.]
geometric albedo albedo 0.085   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
B-V BV 0.860   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=16.14 deg.
U-B UB 0.390   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=16.14 deg.

900 Rosalinde (A918 PJ)          Discovered 1918-Aug-10 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
FirstGov 2020-Jun-01 23:53 UT
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