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JPL Small-Body Database Browser
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27630 (2228 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2027630
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2349412085966843 4.6251e-08  
a 2.417996427102042 1.0258e-08 au
q 1.849909424136224 1.1294e-07 au
i 4.487260803167084 4.8277e-06 deg
node 244.3036188329006 6.5131e-05 deg
peri 30.0237568789141 6.578e-05 deg
M 24.42671208400935 9.7089e-06 deg
tp 2458907.315340689547
(2020-Feb-27.81534069)
3.6816e-05 TDB
period 1373.352141556689
3.76
8.7395e-06
2.393e-08
d
yr
n .2621323323469983 1.6681e-09 deg/d
Q 2.98608343006786 1.2668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      21401 days (58.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60815  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:04:38  

Additional Information
 Earth MOID = .835277 au 
 Jupiter MOID = 2.139 au 
 T_jup = 3.473 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456690.5 (2014-Feb-02.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2357283904904507 4.6468e-08  
q 1.847353260751296 1.1338e-07 au
tp 2456159.282624738898
(2012-Aug-19.78262474)
3.392e-05 TDB
node 244.4908476841034 6.4958e-05 deg
peri 29.59890676053617 6.5595e-05 deg
i 4.493993630637383 4.8368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      21401 days (58.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60815  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:04:38  

Additional Information
 Jupiter MOID = 2.139 au 
 T_jup = 3.473 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.159282048563383E-15 -5.256529459985011E-15 3.851485719415037E-13 2.432943924740971E-14 1.027980227865976E-13 -2.517569783913594E-15
q -5.256529459985011E-15 1.285564971163674E-14 -9.559026250734301E-13 -5.732129380002643E-14 -2.511752903689024E-13 6.404686275856111E-15
tp 3.851485719415037E-13 -9.559026250734301E-13 1.150551565767806E-9 1.110808628812373E-11 3.355046231890352E-10 -4.186286302677275E-13
node 2.432943924740971E-14 -5.732129380002643E-14 1.110808628812373E-11 4.219563915900291E-9 -4.202417687244332E-9 8.349240084333292E-11
peri 1.027980227865976E-13 -2.511752903689024E-13 3.355046231890352E-10 -4.202417687244332E-9 4.30270916008425E-9 -8.336432109528499E-11
i -2.517569783913594E-15 6.404686275856111E-15 -4.186286302677275E-13 8.349240084333292E-11 -8.336432109528499E-11 2.339415423922327E-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 16.0   n/a MPO431817  

27630 (2228 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2228 P-L = 1993 FY63 = 1994 UX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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