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48641 (1995 UA1)
Classification: Main-belt Asteroid          SPK-ID: 2048641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05359818517192397 5.466e-08  
a 2.3082965030912 9.5636e-09 au
q 2.184575999686813 1.2416e-07 au
i 6.457609476234532 5.8062e-06 deg
node 334.1504999710422 3.1893e-05 deg
peri 180.1979640831988 4.9111e-05 deg
M 249.1796116859942 3.9658e-05 deg
tp 2459394.823794378481
(2021-Jun-29.32379438)
0.00014208 TDB
period 1280.960734174872
3.51
7.9608e-06
2.18e-08
d
yr
n .2810390595086376 1.7466e-09 deg/d
Q 2.432017006495587 1.0076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      24164 days (66.16 yr)  
   first obs. used      1953-10-09  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58204  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:13:28  

Additional Information
 Earth MOID = 1.1943 au 
 Jupiter MOID = 2.55108 au 
 T_jup = 3.576 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457186.5 (2015-Jun-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05284024457700331 5.4687e-08  
q 2.186539394986926 1.2408e-07 au
tp 2456831.620132729083
(2014-Jun-23.12013273)
0.00013827 TDB
node 334.2256856856027 3.189e-05 deg
peri 179.930563332253 4.9488e-05 deg
i 6.457899782672525 5.806e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      24164 days (66.16 yr)  
   first obs. used      1953-10-09  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58204  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:13:28  

Additional Information
 Jupiter MOID = 2.55108 au 
 T_jup = 3.576 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.990709116610264E-15 -6.768819217350049E-15 -1.525353242975876E-13 -3.349079582855241E-15 -1.044992537211429E-14 -1.40220223789317E-15
q -6.768819217350049E-15 1.539699074238107E-14 7.306463258565185E-13 7.054732014160059E-15 1.327698681132232E-13 3.394333394377196E-15
tp -1.525353242975876E-13 7.306463258565185E-13 1.911776236033789E-8 1.917032022967839E-12 5.239676551582386E-9 8.618642009514553E-12
node -3.349079582855241E-15 7.054732014160059E-15 1.917032022967839E-12 1.016951263612958E-9 -1.009306102885318E-9 -7.651658029862021E-12
peri -1.044992537211429E-14 1.327698681132232E-13 5.239676551582386E-9 -1.009306102885318E-9 2.449022294053735E-9 9.935774604783817E-12
i -1.40220223789317E-15 3.394333394377196E-15 8.618642009514553E-12 -7.651658029862021E-12 9.935774604783817E-12 3.37099194402953E-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 15.0   n/a MPO439424  
diameter diameter 2.313 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.362   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48641 (1995 UA1)          Discovered 1995-Oct-20 by Korlevic, K., Brcic, V. at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 UA1 = 1998 OF14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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