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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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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
1977-Dec-30 10:52 < 00:01 Jupiter 1.87525197279939 1.87525119882979 1.87525274676921 2.80679993574185 2.64097644735376 2443507.952459988 0.846111914270739 96.1838859296346 51.5552662449018 -88.8358980210507 2025085.19014356 T 57 CATAB v2.0f-lin.ifort 2020-Nov-13 04:24:32 2020-Nov-13 04:24
1988-Nov-02 15:37 < 00:01 Jupiter 1.55065862518071 1.55065820686857 1.55065904349276 4.18658381692962 4.05401233208132 2447468.150426373 0.369553453816392 88.9831260118787 19.5307682528883 89.2773928693163 3579697.05735205 T 57 CATAB v2.0f-lin.ifort 2020-Nov-13 04:24:32 2020-Nov-13 04:24
1999-Nov-01 01:13 < 00:01 Jupiter 1.62290965670838 1.62290922184271 1.62291009157424 4.71464572971351 4.60261364416159 2451483.550536972 0.229831975804674 55.9870058655982 16.5820459381345 -76.3335637023353 4201334.84743471 T 57 CATAB v2.0f-lin.ifort 2020-Nov-13 04:24:32 2020-Nov-13 04:24
2108-Jan-26 01:11 00:02 Jupiter 1.73284089427267 1.73283972042963 1.73284206811728 3.38809920373592 3.24061796628305 2491015.549415764 1.62694225160233 114.985866697239 40.6036129578637 58.9970682837567 2219347.29311173 T 57 CATAB v2.0f-lin.ifort 2020-Nov-13 04:24:32 2020-Nov-13 04:24
2118-Dec-31 21:11 00:02 Jupiter 1.55834154343826 1.55834117463161 1.55834191224571 4.3967679401478 4.27135649717937 2495008.382708900 1.50186080207269 220.43968807973 16.9356055446349 88.3420021887009 3909150.87999798 T 57 CATAB v2.0f-lin.ifort 2020-Nov-13 04:24:32 2020-Nov-13 04:24
2129-Dec-13 13:32 00:02 Jupiter 1.78771028999008 1.78770886581398 1.78771171417644 4.99691090917665 4.90117461583604 2499008.064149692 1.85189132517966 234.168246124135 16.4045573414894 -73.1080100779438 4770924.12187077 T 57 CATAB v2.0f-lin.ifort 2020-Nov-13 04:24:32 2020-Nov-13 04:24

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