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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2337708137382913 4.207e-08  
a 2.339473400508531 6.6557e-09 au
q 1.792572799952564 9.8124e-08 au
i 22.47312761374602 5.0141e-06 deg
node 217.0445143619888 9.78e-06 deg
peri 58.20194490619455 1.2821e-05 deg
M 195.8250816630543 7.5065e-06 deg
tp 2459992.546171212243
(2023-Feb-17.04617121)
2.7846e-05 TDB
period 1307.000020527006
3.58
5.5776e-06
1.527e-08
d
yr
n .2754399344652202 1.1754e-09 deg/d
Q 2.886374001064498 8.2117e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      10709 days (29.32 yr)  
   first obs. used      1991-10-14  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48096  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:10:14  

Additional Information
 Earth MOID = .86048 au 
 Jupiter MOID = 2.33992 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457894.5 (2017-May-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2338307653647031 4.2035e-08  
q 1.79219919277334 9.8006e-08 au
tp 2457379.245919949921
(2015-Dec-22.74591995)
2.7092e-05 TDB
node 217.0618918391363 9.7734e-06 deg
peri 58.21362359783893 1.283e-05 deg
i 22.48177784573516 5.0159e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      10709 days (29.32 yr)  
   first obs. used      1991-10-14  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48096  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:10:14  

Additional Information
 Jupiter MOID = 2.33992 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.766946680695728E-15 -4.114104069549554E-15 -5.277952679393141E-13 1.149293385304688E-14 -1.792439556464456E-13 -2.674344037991093E-14
q -4.114104069549554E-15 9.605098953042627E-15 1.215142989577902E-12 -2.617145336710713E-14 4.148689687032729E-13 6.304628652383737E-14
tp -5.277952679393141E-13 1.215142989577902E-12 7.340009957675163E-10 -2.544269773353631E-12 2.36612866125613E-10 1.120128438768035E-11
node 1.149293385304688E-14 -2.617145336710713E-14 -2.544269773353631E-12 9.551985462144763E-11 -8.863169300300235E-11 1.999219745713527E-11
peri -1.792439556464456E-13 4.148689687032729E-13 2.36612866125613E-10 -8.863169300300235E-11 1.645977106126827E-10 -1.491356065728415E-11
i -2.674344037991093E-14 6.304628652383737E-14 1.120128438768035E-11 1.999219745713527E-11 -1.491356065728415E-11 2.515973084843243E-11

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 15.22   n/a MPCxxxxx  

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

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