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48576 (1994 NN2)
Classification: Main-belt Asteroid          SPK-ID: 2048576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234053238022886 4.3375e-08  
a 2.338792912446154 7.3284e-09 au
q 1.791390858223155 1.0146e-07 au
i 22.47809525003225 5.2575e-06 deg
node 217.0534327367687 1.1648e-05 deg
peri 58.14646135012603 1.8128e-05 deg
M 86.77735701714725 9.9931e-06 deg
tp 2458685.587428437699
(2019-Jul-21.08742844)
3.6549e-05 TDB
period 1306.429806798871
3.58
6.1404e-06
1.681e-08
d
yr
n .2755601549555146 1.2952e-09 deg/d
Q 2.886194966669152 9.0436e-09 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      10207 days (27.95 yr)  
   first obs. used      1991-10-14  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50005  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:39  

Additional Information
 Earth MOID = .859028 au 
 Jupiter MOID = 2.34216 au 
 T_jup = 3.429 
[ 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 15.1   n/a MPO337645  

48576 (1994 NN2)          Discovered 1994-Jul-11 by Shoemaker, C. S. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1995-May-15 09:14 < 00:01 Amphi 0.0403994910976373 0.0403984892491692 0.0404004929733339 10.4860803956688 10.4860803820987 2449852.885058186 0.264357391990597 126.037938132976 44.5623002681684 -78.9597507808898 133417.25871702 T 17 CATAB v2.0f-lin.ifort 2019-Nov-07 06:37:45 2019-Nov-07 06:37

Alternate Designations
 1994 NN2 = 2001 FC55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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