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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627388329652851 3.3123e-08  
a 2.473679508017006 6.4715e-09 au
q 2.071115791752177 8.1487e-08 au
i 11.55821199337958 3.1156e-06 deg
node 182.252669143018 2.0006e-05 deg
peri 121.8579783488687 2.2611e-05 deg
M 124.0930628783946 1.1389e-05 deg
tp 2458710.655115334692
(2019-Aug-15.15511533)
4.4636e-05 TDB
period 1421.063791876261
3.89
5.5766e-06
1.527e-08
d
yr
n .2533313437848447 9.9413e-10 deg/d
Q 2.876243224281834 7.5247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2983  
   data-arc span      37417 days (102.44 yr)  
   first obs. used      1918-08-10  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38873  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:50:47  

Additional Information
 Earth MOID = 1.08123 au 
 Jupiter MOID = 2.46588 au 
 T_jup = 3.437 
[ 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 11.61   n/a E2021B10 IRAS observations used: 4
diameter diameter 19.618 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.689 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 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.]
[Pilcher, F. (2020) Minor Planet Bull. 47, 34-36.]
geometric albedo albedo 0.085   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
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 ]
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