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JPL Small-Body Database Browser
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48699 (1996 HN21)
Classification: Main-belt Asteroid          SPK-ID: 2048699
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467305365122673 4.9766e-08  
a 2.755327984435104 1.5569e-08 au
q 2.351037231011677 1.3695e-07 au
i 12.78466124830982 5.2436e-06 deg
node 50.07993175079259 1.9504e-05 deg
peri 356.1179835529118 2.5544e-05 deg
M 188.582857156605 1.5532e-05 deg
tp 2459395.944957091013
(2021-Jun-30.44495709)
7.4255e-05 TDB
period 1670.545779743748
4.57
1.4159e-05
3.877e-08
d
yr
n .2154984343231958 1.8265e-09 deg/d
Q 3.15961873785853 1.7853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      8421 days (23.06 yr)  
   first obs. used      1996-04-18  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56783  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:08  

Additional Information
 Earth MOID = 1.36052 au 
 Jupiter MOID = 2.23779 au 
 T_jup = 3.292 
[ 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 14.2   n/a MPO436123  

48699 (1996 HN21)          Discovered 1996-Apr-18 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 HN21 = 1998 XX32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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