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74078 (1998 NP)
Classification: Main-belt Asteroid          SPK-ID: 2074078
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365142593164821 6.7778e-08  
a 2.628275846038851 2.7013e-08 au
q 2.269478715637457 1.8158e-07 au
i 12.71967978670834 8.4668e-06 deg
node 290.9078105429918 2.9811e-05 deg
peri 329.1367915147217 4.2794e-05 deg
M 336.8261017332948 3.4429e-05 deg
tp 2458700.684708299234
(2019-Aug-05.18470830)
0.00014954 TDB
period 1556.341301434909
4.26
2.3994e-05
6.569e-08
d
yr
n .2313117307033417 3.5661e-09 deg/d
Q 2.987072976440245 3.07e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      1998-07-03  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:01  

Additional Information
 Earth MOID = 1.2624 au 
 Jupiter MOID = 2.16274 au 
 T_jup = 3.353 
[ 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 15.3   n/a MPO293836  
diameter diameter 2.623 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74078 (1998 NP)          Discovered 1998-Jul-03 by Zoltowski, F. B. at Woomera
Reference: 20040415/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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