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JPL Small-Body Database Browser
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91572 (1999 RF253)
Classification: Main-belt Asteroid          SPK-ID: 2091572
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05971421870605889 4.4121e-08  
a 2.942929260157744 2.2105e-08 au
q 2.767194538680224 1.261e-07 au
i 6.057490455362665 6.5983e-06 deg
node 305.3959426451103 5.4909e-05 deg
peri 326.0356544373594 9.469e-05 deg
M 121.9391454359369 7.8415e-05 deg
tp 2458375.890180208481
(2018-Sep-14.39018021)
0.0004022 TDB
period 1844.030760762392
5.05
2.0776e-05
5.688e-08
d
yr
n .1952245090809452 2.1995e-09 deg/d
Q 3.118663981635263 2.3425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      7361 days (20.15 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:48:36  

Additional Information
 Earth MOID = 1.75342 au 
 Jupiter MOID = 1.98647 au 
 T_jup = 3.261 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO502691  

91572 (1999 RF253)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RF253 = 1999 TA322 = 2000 WR119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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