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3120 Dangrania (1979 RZ)
Classification: Main-belt Asteroid          SPK-ID: 2003120
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011929587545212 2.2156e-08  
a 3.026564804000146 1.4353e-08 au
q 2.720297756621074 6.9285e-08 au
i 12.95139455803106 5.9993e-07 deg
node 220.4970241061554 1.9101e-06 deg
peri 135.2587463110377 1.2052e-05 deg
M 290.9907689734108 1.2095e-05 deg
tp 2459569.161749898493
(2021-Dec-20.66174990)
6.5148e-05 TDB
period 1923.195317338364
5.27
1.3681e-05
3.746e-08
d
yr
n .1871884757385057 1.3316e-09 deg/d
Q 3.332831851379219 1.5806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2428  
   data-arc span      18610 days (50.95 yr)  
   first obs. used      1969-10-18  
   last obs. used      2020-09-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:42:48  

Additional Information
 Earth MOID = 1.73352 au 
 Jupiter MOID = 2.16742 au 
 T_jup = 3.198 
[ 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 11.80   n/a E2021B10  
diameter diameter 15.481 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.68 h n/a LCDB (Rev. 2020-October); 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:
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.169   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3120 Dangrania (1979 RZ)          Discovered 1979-Sep-14 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 RZ = 1958 TN = 1969 UN2 = 1974 SC4 = 1978 KA = 1979 TN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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