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921 Jovita (A919 RD)
Classification: Main-belt Asteroid          SPK-ID: 2000921
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846020637672448 3.1922e-08  
a 3.169522688071491 1.0826e-08 au
q 2.584422258696388 1.0651e-07 au
i 16.33647529791552 3.4121e-06 deg
node 204.9051760457387 1.1938e-05 deg
peri 70.91168269672644 1.6002e-05 deg
M 331.1860598369099 1.0714e-05 deg
tp 2459165.464073943170
(2020-Nov-11.96407394)
6.1807e-05 TDB
period 2061.053305566815
5.64
1.056e-05
2.891e-08
d
yr
n .1746679714821814 8.9494e-10 deg/d
Q 3.754623117446593 1.2825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2947  
   data-arc span      36940 days (101.14 yr)  
   first obs. used      1919-09-05  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:24:23  

Additional Information
 Earth MOID = 1.62477 au 
 Jupiter MOID = 1.54388 au 
 T_jup = 3.114 
[ show covariance matrix ]

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 10.0   n/a MPO347521  
diameter diameter 55.312 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.64 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2005) Minor Planet Bull. 32, 4-7.]
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

921 Jovita (A919 RD)          Discovered 1919-Sep-04 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A919 RD = 1976 WM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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