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JPL Small-Body Database Browser
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4429 Chinmoy (1978 RJ2)
Classification: Main-belt Asteroid          SPK-ID: 2004429
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135226109161036 3.4562e-08  
a 2.379875681815239 7.6426e-09 au
q 1.871718412578307 8.0936e-08 au
i 1.459415730449189 3.8825e-06 deg
node 326.899958345135 0.00014559 deg
peri 68.09122656189203 0.00014589 deg
M 104.1966883545688 9.9467e-06 deg
tp 2458612.366392156605
(2019-May-08.86639216)
3.6289e-05 TDB
period 1341.003260565673
3.67
6.4596e-06
1.769e-08
d
yr
n .2684557231040153 1.2931e-09 deg/d
Q 2.888032951052171 9.2744e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1553  
   data-arc span      24085 days (65.94 yr)  
   first obs. used      1954-02-26  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53215  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:13:12  

Additional Information
 Earth MOID = .87898 au 
 Jupiter MOID = 2.54767 au 
 T_jup = 3.507 
[ 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 14.6   n/a MPO263387  
diameter diameter 2.870 km 0.520 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.366   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

4429 Chinmoy (1978 RJ2)          Discovered 1978-Sep-12 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1978 RJ2 = 1978 RN1 = 1978 RR4 = 1980 FP2 = 1980 FX6 = 1987 DL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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