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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .196481935109258 5.1612e-08  
a 2.423065644635074 1.3982e-08 AU
q 1.946977017880413 1.2393e-07 AU
i 3.077459026107064 5.5645e-06 deg
node 157.4621072301912 8.0394e-05 deg
peri 204.7457373733301 8.1284e-05 deg
M 151.384940069819 1.4776e-05 deg
tp 2456421.169532043403
(2013-May-08.66953204)
5.3524e-05 JED
period 1377.673158031356
3.77
1.1925e-05
3.265e-08
d
yr
n .2613101648248898 2.2619e-09 deg/d
Q 2.899154271389735 1.673e-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 = .944805 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-July); 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., in press.]

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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