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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172721226743957 1.1768e-07  
a 2.57586021424616 3.4823e-08 AU
q 2.016197597784373 2.9293e-07 AU
i 16.41634271904939 8.5263e-06 deg
node 52.17980187148014 2.8685e-05 deg
peri 318.135856175975 3.6501e-05 deg
M 179.1151096998052 3.3174e-05 deg
tp 2456049.203118268818
(2012-May-01.70311827)
0.00013451 JED
period 1510.017093904164
4.13
3.0621e-05
8.384e-08
d
yr
n .2384078971379169 4.8345e-09 deg/d
Q 3.135522830707947 4.2389e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      545  
   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      .55996  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:58:53  

Additional Information
 Earth MOID = 1.04535 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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