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74849 (1999 TP51)
Classification: Main-belt Asteroid          SPK-ID: 2074849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04216035069129131 6.5757e-08  
a 2.283163315173844 1.1834e-08 au
q 2.186904349120623 1.5044e-07 au
i 3.891055864590812 6.2006e-06 deg
node 342.2638284467346 7.1199e-05 deg
peri 220.9389562017074 9.1685e-05 deg
M 172.2125068923338 5.7042e-05 deg
tp 2458397.709940861642
(2018-Oct-06.20994086)
0.00019981 TDB
period 1260.096756070561
3.45
9.7972e-06
2.682e-08
d
yr
n .2856923472468976 2.2213e-09 deg/d
Q 2.379422281227065 1.2333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      8792 days (24.07 yr)  
   first obs. used      1994-02-15  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:32:51  

Additional Information
 Earth MOID = 1.18497 au 
 Jupiter MOID = 2.58446 au 
 T_jup = 3.600 
[ 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 16.5   n/a MPO266275  

74849 (1999 TP51)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TP51 = 2001 DN73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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