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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136804842803671 3.3477e-08  
a 2.379484890947967 7.3876e-09 au
q 1.871035407112389 7.8207e-08 au
i 1.459438831654887 3.7144e-06 deg
node 326.900744123047 0.00013503 deg
peri 68.05953458925488 0.00013532 deg
M 157.9235866944391 9.9339e-06 deg
tp 2458612.378099057025
(2019-May-08.87809906)
3.5734e-05 TDB
period 1340.672972107252
3.67
6.2436e-06
1.709e-08
d
yr
n .2685218599090252 1.2505e-09 deg/d
Q 2.887934374783545 8.9661e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1708  
   data-arc span      24498 days (67.07 yr)  
   first obs. used      1954-02-26  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:37:27  

Additional Information
 Earth MOID = .877186 au 
 Jupiter MOID = 2.54896 au 
 T_jup = 3.508 
[ 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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