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100948 (1998 OF13)
Classification: Main-belt Asteroid          SPK-ID: 2100948
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149245483324999 4.302e-08  
a 2.372898050023331 7.6814e-09 au
q 1.862904008382996 1.0183e-07 au
i 2.590092383285283 5.5267e-06 deg
node 158.504874656599 6.446e-05 deg
peri 155.4939710528104 6.5353e-05 deg
M 355.1478052919164 9.1902e-06 deg
tp 2459018.495037876874
(2020-Jun-17.99503788)
3.4068e-05 TDB
period 1335.109991543007
3.66
6.4829e-06
1.775e-08
d
yr
n .269640705470223 1.3093e-09 deg/d
Q 2.882892091663665 9.3323e-09 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      10592 days (29.00 yr)  
   first obs. used      1991-11-01  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:19  

Additional Information
 Earth MOID = .849429 au 
 Jupiter MOID = 2.40901 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457661.5 (2016-Sep-30.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143795831899265 4.3009e-08  
q 1.863998193571155 1.0179e-07 au
tp 2457684.385395165369
(2016-Oct-22.88539517)
3.5955e-05 TDB
node 158.5336044936485 6.4479e-05 deg
peri 155.6630249321897 6.5376e-05 deg
i 2.589653085503997 5.5259e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      10592 days (29.00 yr)  
   first obs. used      1991-11-01  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:19  

Additional Information
 Jupiter MOID = 2.40901 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.849742386337216E-15 -4.370067193090704E-15 7.199381316618924E-13 8.78991124993733E-16 1.798397862063055E-13 -9.275670920602814E-16
q -4.370067193090704E-15 1.036089703013404E-14 -1.786801290015466E-12 -2.840986060709929E-15 -4.48775480585101E-13 2.184427843083727E-15
tp 7.199381316618924E-13 -1.786801290015466E-12 1.29279129169352E-9 4.257104957505427E-12 3.901908970485956E-10 -4.188277942046406E-13
node 8.78991124993733E-16 -2.840986060709929E-15 4.257104957505427E-12 4.157503315641371E-9 -4.151504691196424E-9 4.64485023246753E-11
peri 1.798397862063055E-13 -4.48775480585101E-13 3.901908970485956E-10 -4.151504691196424E-9 4.274059651845723E-9 -4.65344603332267E-11
i -9.275670920602814E-16 2.184427843083727E-15 -4.188277942046406E-13 4.64485023246753E-11 -4.65344603332267E-11 3.053578925884304E-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 16.1   n/a MPO432537  

100948 (1998 OF13)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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