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JPL Small-Body Database Browser
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(2018 NB)
Classification: Amor [NEO]          SPK-ID: 3825513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5545702438732165 4.562e-08  
a 2.390498731667894 2.3266e-07 au
q 1.064799267068215 2.8266e-08 au
i .924432599330514 3.2235e-06 deg
node 131.3143647980572 9.3319e-05 deg
peri 186.6734831483231 9.326e-05 deg
M 177.1562251510481 2.579e-05 deg
tp 2458336.168079653933
(2018-Aug-05.66807965)
1.0443e-05 TDB
period 1349.992026081332
3.70
0.00019709
5.396e-07
d
yr
n .2666682417710157 3.8931e-08 deg/d
Q 3.716198196267572 3.6169e-07 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      5676 days (15.54 yr)  
   first obs. used      2003-05-31  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .29023  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-21 07:50:10  

Additional Information
 Earth MOID = .0515952 au 
 Jupiter MOID = 1.62398 au 
 T_jup = 3.305 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.3   n/a E2018P10  
rotation period rot_per 50.3 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 27-40.]

[ show close-approach data ]
Alternate Designations
 2018 NB = 2003 KT24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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