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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964913854137879 3.5243e-08  
a 2.423360244468863 5.6423e-09 au
q 1.94719083267648 8.6698e-08 au
i 3.078669448572714 3.8368e-06 deg
node 157.4089366426052 4.6944e-05 deg
peri 204.4147600750412 4.7547e-05 deg
M 314.6495189045859 7.316e-06 deg
tp 2459174.082042026758
(2020-Nov-20.58204203)
2.8068e-05 TDB
period 1377.924414917658
3.77
4.8123e-06
1.318e-08
d
yr
n .2612625163634341 9.1244e-10 deg/d
Q 2.899529656261246 6.751e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2494  
   data-arc span      16464 days (45.08 yr)  
   first obs. used      1975-10-03  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:04:09  

Additional Information
 Earth MOID = .944779 au 
 Jupiter MOID = 2.55458 au 
 T_jup = 3.484 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457050.5 (2015-Jan-28.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966323053347551 3.5099e-08  
q 1.946370070028001 8.6292e-08 au
tp 2456421.270384076744
(2013-May-08.77038408)
2.8911e-05 TDB
node 157.4631064627677 4.6968e-05 deg
peri 204.738274922582 4.7575e-05 deg
i 3.077823348631437 3.8364e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2494  
   data-arc span      16464 days (45.08 yr)  
   first obs. used      1975-10-03  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:04:09  

Additional Information
 Jupiter MOID = 2.55458 au 
 T_jup = 3.484 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.231946971059761E-15 -3.024833047424484E-15 -3.474801910732223E-13 -4.355841479980497E-15 -7.434174841177949E-14 -9.151647512803581E-17
q -3.024833047424484E-15 7.446309231528683E-15 8.068184202237254E-13 1.047536143970204E-14 1.734594141318521E-13 2.325052828503785E-16
tp -3.474801910732223E-13 8.068184202237254E-13 8.35819607885813E-10 4.381986190853438E-13 2.217983218447546E-10 1.158509067260313E-13
node -4.355841479980497E-15 1.047536143970204E-14 4.381986190853438E-13 2.20603756758024E-9 -2.20238329827212E-9 -5.846016004651667E-12
peri -7.434174841177949E-14 1.734594141318521E-13 2.217983218447546E-10 -2.20238329827212E-9 2.26340572191094E-9 5.877451176728214E-12
i -9.151647512803581E-17 2.325052828503785E-16 1.158509067260313E-13 -5.846016004651667E-12 5.877451176728214E-12 1.471783004314984E-11

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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