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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 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627388410327519 1.0159e-08  
a 2.473679508252689 6.2265e-09 au
q 2.071115771993179 2.5215e-08 au
i 11.55821283123767 5.637e-07 deg
node 182.2527032796916 2.2621e-06 deg
peri 121.8579460331944 6.1428e-06 deg
M 124.0930619396181 4.8635e-06 deg
tp 2458710.655118970412
(2019-Aug-15.15511897)
1.8887e-05 TDB
period 1421.063792079352
3.89
5.3655e-06
1.469e-08
d
yr
n .2533313437486399 9.5649e-10 deg/d
Q 2.8762432445122 7.2398e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3095  
   data-arc span      37468 days (102.58 yr)  
   first obs. used      1918-08-10  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:36:01  

Additional Information
 Earth MOID = 1.08123 au 
 Jupiter MOID = 2.46588 au 
 T_jup = 3.437 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456789.5 (2014-May-12.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627819089651767 1.019e-08  
q 2.070631786436353 2.5366e-08 au
tp 2457291.229401736396
(2015-Sep-25.72940174)
1.9092e-05 TDB
node 182.302056042095 2.261e-06 deg
peri 122.1026778363519 6.1532e-06 deg
i 11.561735253403 5.6372e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3095  
   data-arc span      37468 days (102.58 yr)  
   first obs. used      1918-08-10  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:36:01  

Additional Information
 Jupiter MOID = 2.46588 au 
 T_jup = 3.437 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.038273205067489E-16 -2.529117348513942E-16 6.660409778759574E-14 5.338607783089537E-15 2.137861780813668E-14 1.820620110263811E-15
q -2.529117348513942E-16 6.434587464659585E-16 -1.832936384897647E-13 -1.415455055295853E-14 -5.860636287729451E-14 -4.447556424984804E-15
tp 6.660409778759574E-14 -1.832936384897647E-13 3.644895018124407E-10 9.650136547538365E-12 1.120674186218722E-10 -3.011650406604438E-12
node 5.338607783089537E-15 -1.415455055295853E-14 9.650136547538365E-12 5.112220536282979E-12 -7.70940188987322E-13 3.620186405239977E-14
peri 2.137861780813668E-14 -5.860636287729451E-14 1.120674186218722E-10 -7.70940188987322E-13 3.786147036665291E-11 -9.045247941175124E-13
i 1.820620110263811E-15 -4.447556424984804E-15 -3.011650406604438E-12 3.620186405239977E-14 -9.045247941175124E-13 3.177783346772661E-13

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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