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48901 (1998 MO31)
Classification: Main-belt Asteroid          SPK-ID: 2048901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .238540700843064 3.5231e-08  
a 2.346209611276869 8.726e-09 au
q 1.786543126278152 8.1119e-08 au
i 1.681704944180078 4.0921e-06 deg
node 82.88637919065492 0.00015968 deg
peri 186.2184605167474 0.00016 deg
M 45.95075167823209 1.192e-05 deg
tp 2458832.952188087721
(2019-Dec-15.45218809)
4.2904e-05 TDB
period 1312.649088110439
3.59
7.3229e-06
2.005e-08
d
yr
n .2742545614519267 1.53e-09 deg/d
Q 2.905876096275586 1.0807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      859  
   data-arc span      9701 days (26.56 yr)  
   first obs. used      1994-04-03  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:16  

Additional Information
 Earth MOID = .770463 au 
 Jupiter MOID = 2.19888 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456735.5 (2014-Mar-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2393801353482604 3.5362e-08  
q 1.784210612124316 8.1427e-08 au
tp 2456206.365021837637
(2012-Oct-05.86502184)
3.5891e-05 TDB
node 82.92204921162262 0.0001594 deg
peri 186.0704175702254 0.00015972 deg
i 1.683004116272768 4.0976e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      859  
   data-arc span      9701 days (26.56 yr)  
   first obs. used      1994-04-03  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:16  

Additional Information
 Jupiter MOID = 2.19888 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.250437941470364E-15 -2.870646277671694E-15 2.183151365712854E-14 6.787164865983492E-15 2.275794269633831E-14 1.070544083957713E-16
q -2.870646277671694E-15 6.630329127084925E-15 2.05498333950344E-14 -1.543108910704984E-14 -2.915730476913146E-14 -2.026154443757853E-16
tp 2.183151365712854E-14 2.05498333950344E-14 1.288139488610542E-9 2.003171240021298E-12 3.821190136570441E-10 3.239717133308945E-13
node 6.787164865983492E-15 -1.543108910704984E-14 2.003171240021298E-12 2.540848386715186E-8 -2.539633497757064E-8 -6.144066473266576E-11
peri 2.275794269633831E-14 -2.915730476913146E-14 3.821190136570441E-10 -2.539633497757064E-8 2.550945796185057E-8 6.150605002103343E-11
i 1.070544083957713E-16 -2.026154443757853E-16 3.239717133308945E-13 -6.144066473266576E-11 6.150605002103343E-11 1.678999889328093E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO324747  

48901 (1998 MO31)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 MO31 = 2001 DA93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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