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28395 (1999 RZ42)
Classification: Main-belt Asteroid          SPK-ID: 2028395
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172099597544876 1.1767e-07  
a 2.576074320117029 3.4694e-08 AU
q 2.01652532071984 2.9299e-07 AU
i 16.41572804102823 8.5105e-06 deg
node 52.18061384697766 2.8668e-05 deg
peri 318.1068271102236 3.6472e-05 deg
M 226.8330679119061 3.3532e-05 deg
tp 2457559.137265433514
(2016-Jun-19.63726543)
0.00014535 JED
period 1510.205367072848
4.13
3.0508e-05
8.353e-08
d
yr
n .2383781754780604 4.8156e-09 deg/d
Q 3.135623319514218 4.2229e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7361 days (20.15 yr)  
   first obs. used      1994-05-04  
   last obs. used      2014-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54592  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:14:21  

Additional Information
 Earth MOID = 1.04685 AU 
 T_jup = 3.338 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO263588  

28395 (1999 RZ42)          Discovered 1999-Sep-03 by McNaught, R. H. at Siding Spring (413)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RZ42 = 1998 HW95 = 1999 XD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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