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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964913916541813 3.6752e-08  
a 2.423360249179334 8.6842e-09 au
q 1.947190821338664 8.9002e-08 au
i 3.078667137467795 4.0293e-06 deg
node 157.4088133541051 6.4605e-05 deg
peri 204.4148884843457 6.5319e-05 deg
M 314.6495105081196 1.2898e-05 deg
tp 2459174.082074670909
(2020-Nov-20.58207467)
4.9988e-05 TDB
period 1377.924418935224
3.77
7.4068e-06
2.028e-08
d
yr
n .2612625156016802 1.4044e-09 deg/d
Q 2.899529677020005 1.0391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2082  
   data-arc span      16319 days (44.68 yr)  
   first obs. used      1975-10-03  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:52:22  

Additional Information
 Earth MOID = .944779 au 
 Jupiter MOID = 2.55458 au 
 T_jup = 3.484 
[ 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 14.0   n/a MPO384778  
diameter diameter 4.252 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.000 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 190-195.]
geometric albedo albedo 0.295   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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