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4184 Berdyayev (1969 TJ1)
Classification: Main-belt Asteroid          SPK-ID: 2004184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03622976474014551 1.2054e-08  
a 2.57841332085318 8.9733e-09 au
q 2.484998012835812 2.9323e-08 au
i 9.456301994994956 3.1637e-07 deg
node 28.46495849894037 3.4208e-06 deg
peri 34.83905196139963 3.1451e-05 deg
M 93.4294848538369 2.8432e-05 deg
tp 2458808.027994381381
(2019-Nov-20.52799438)
0.00011922 TDB
period 1512.262667869141
4.14
7.8944e-06
2.161e-08
d
yr
n .2380538828663008 1.2427e-09 deg/d
Q 2.671828628870548 9.2984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2697  
   data-arc span      18795 days (51.46 yr)  
   first obs. used      1969-10-08  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:27:42  

Additional Information
 Earth MOID = 1.49982 au 
 Jupiter MOID = 2.43304 au 
 T_jup = 3.406 
[ 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 13.08   n/a MPCxxxxx  
diameter diameter 7.568 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 17.1331 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:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.213   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4184 Berdyayev (1969 TJ1)          Discovered 1969-Oct-08 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1969 TJ1 = 1969 VB = 1982 YO1 = 1982 YT1 = 1983 AK3 = 1986 XK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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