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JPL Small-Body Database Browser
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48450 (1991 NA)
Classification: Mars-crossing Asteroid          SPK-ID: 2048450
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3295368686989685 7.308e-08  
a 2.385522032416385 1.2226e-08 au
q 1.59940457164149 1.7084e-07 au
i 11.72787993643757 4.2041e-06 deg
node 277.5871453758753 3.327e-05 deg
peri 40.95424365193755 3.471e-05 deg
M 182.6252299727884 1.1691e-05 deg
tp 2459263.575405426578
(2021-Feb-18.07540543)
4.6454e-05 TDB
period 1345.778466221251
3.68
1.0346e-05
2.833e-08
d
yr
n .2675031656665062 2.0565e-09 deg/d
Q 3.171639493191279 1.6256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      15596 days (42.70 yr)  
   first obs. used      1976-05-31  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47976  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:46:28  

Additional Information
 Earth MOID = .604751 au 
 Jupiter MOID = 2.1952 au 
 T_jup = 3.433 
[ 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 15.5   n/a MPO378954  

48450 (1991 NA)          Discovered 1991-Jul-07 by Helin, E. F. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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