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2998 Berendeya (1975 TR3)
Classification: Main-belt Asteroid          SPK-ID: 2002998
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971111194210227 5.1683e-08  
a 2.421874508795288 1.3777e-08 au
q 1.944496113269409 1.241e-07 au
i 3.078350696772229 5.5656e-06 deg
node 157.468201429443 8.0389e-05 deg
peri 204.7298249917227 8.1272e-05 deg
M 255.9832102413129 1.5325e-05 deg
tp 2457798.265238325329
(2017-Feb-13.76523833)
6.0952e-05 JED
period 1376.657423569057
3.77
1.1747e-05
3.216e-08
d
yr
n .2615029664146081 2.2314e-09 deg/d
Q 2.899252904321166 1.6492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1414  
   data-arc span      14528 days (39.78 yr)  
   first obs. used      1975-10-03  
   last obs. used      2015-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51655  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:07:32  

Additional Information
 Earth MOID = .940321 au 
 Jupiter MOID = 2.54659 au 
 T_jup = 3.484 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO279546  
rotation period rot_per 6.8331 h n/a LCDB (Rev. 2015-December); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

2998 Berendeya (1975 TR3)          Discovered 1975-Oct-03 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1975 TR3 = 1979 YJ4 = 1981 EU21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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