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3515 Jindra (1982 UH2)
Classification: Main-belt Asteroid          SPK-ID: 2003515
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01252414031947906 3.7147e-08  
a 2.843277407343372 1.113e-08 au
q 2.807667802126599 1.0414e-07 au
i 1.391473705375684 4.2096e-06 deg
node 341.4109439015712 0.00014146 deg
peri 239.6392027421732 0.00021171 deg
M 164.2991049976878 0.00015923 deg
tp 2458401.291719338072
(2018-Oct-09.79171934)
0.0007737 TDB
period 1751.165845013844
4.79
1.0283e-05
2.815e-08
d
yr
n .2055773306823227 1.2071e-09 deg/d
Q 2.878887012560145 1.127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2644  
   data-arc span      24180 days (66.20 yr)  
   first obs. used      1954-12-22  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:13:05  

Additional Information
 Earth MOID = 1.7964 au 
 Jupiter MOID = 2.08305 au 
 T_jup = 3.308 
[ 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 12.61   n/a E2021B10  
diameter diameter 7.689 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.67 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. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.328   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3515 Jindra (1982 UH2)          Discovered 1982-Oct-16 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1982 UH2 = 1977 SN1 = 1977 TQ4 = 1979 BV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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