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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384257933168777 3.4426e-08  
a 2.345952166647368 8.5883e-09 au
q 1.786616660231021 7.8955e-08 au
i 1.681689459100044 4.012e-06 deg
node 82.8860882840173 0.000156 deg
peri 186.2018132143476 0.00015632 deg
M 100.8365432630219 1.2106e-05 deg
tp 2458832.885524189947
(2019-Dec-15.38552419)
4.29e-05 TDB
period 1312.433042715677
3.59
7.207e-06
1.973e-08
d
yr
n .2742997077055379 1.5063e-09 deg/d
Q 2.905287673063714 1.0636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      9781 days (26.78 yr)  
   first obs. used      1994-04-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:58:23  

Additional Information
 Earth MOID = .768747 au 
 Jupiter MOID = 2.19848 au 
 T_jup = 3.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456969.5 (2014-Nov-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2386756219800898 3.4514e-08  
q 1.786877797874558 7.925e-08 au
tp 2457519.309625243196
(2016-May-10.80962524)
3.8954e-05 TDB
node 82.91916089171022 0.00015578 deg
peri 186.0967401084817 0.0001561 deg
i 1.682484958951625 4.015e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      9781 days (26.78 yr)  
   first obs. used      1994-04-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:58:23  

Additional Information
 Jupiter MOID = 2.19848 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.191244959727676E-15 -2.72665670389389E-15 7.679582007900634E-14 5.37291679928484E-15 1.217930288509998E-14 9.746437139836225E-17
q -2.72665670389389E-15 6.280560430219715E-15 -5.408754899749217E-14 -1.146682978621679E-14 -2.260153230463014E-15 -1.921128438734926E-16
tp 7.679582007900634E-14 -5.408754899749217E-14 1.51741774286219E-9 2.780467113867824E-12 4.1094103180423E-10 3.535564587964119E-13
node 5.37291679928484E-15 -1.146682978621679E-14 2.780467113867824E-12 2.42664292582954E-8 -2.425488283093538E-8 -8.792819434873596E-11
peri 1.217930288509998E-14 -2.260153230463014E-15 4.1094103180423E-10 -2.425488283093538E-8 2.43673187159772E-8 8.797684751255549E-11
i 9.746437139836225E-17 -1.921128438734926E-16 3.535564587964119E-13 -8.792819434873596E-11 8.797684751255549E-11 1.612040852990537E-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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