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85681 (1998 RR25)
Classification: Main-belt Asteroid          SPK-ID: 2085681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229452408731442 5.9111e-08  
a 2.385495574412234 1.074e-08 au
q 2.092210246414303 1.4022e-07 au
i 14.01239795225997 5.8856e-06 deg
node 349.2765302855979 1.6238e-05 deg
peri 190.6603054188876 2.4709e-05 deg
M 13.03262402531674 1.6534e-05 deg
tp 2458551.781297270902
(2019-Mar-09.28129727)
6.1831e-05 TDB
period 1345.756077088161
3.68
9.0887e-06
2.488e-08
d
yr
n .2675076160747786 1.8066e-09 deg/d
Q 2.678780902410166 1.2061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      7572 days (20.73 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:52  

Additional Information
 Earth MOID = 1.09836 au 
 Jupiter MOID = 2.2952 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457045.5 (2015-Jan-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1236311505954902 5.8983e-08  
q 2.091182496728047 1.4014e-07 au
tp 2457204.978529730956
(2015-Jul-01.47852973)
6.2787e-05 TDB
node 349.2917808992534 1.6238e-05 deg
peri 190.4392606291933 2.4652e-05 deg
i 14.01203690303221 5.885e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      7572 days (20.73 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:52  

Additional Information
 Jupiter MOID = 2.2952 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.478987351910299E-15 -8.247446802181429E-15 5.10802401543119E-13 1.255231954212705E-14 2.495579239379363E-13 -1.238147908835232E-15
q -8.247446802181429E-15 1.963952024804681E-14 -1.342228487551769E-12 -3.065139088920203E-14 -6.290091752664055E-13 3.08876080248403E-15
tp 5.10802401543119E-13 -1.342228487551769E-12 3.942210457072578E-9 3.673420692625788E-12 1.169337227343456E-9 3.719242084593635E-12
node 1.255231954212705E-14 -3.065139088920203E-14 3.673420692625788E-12 2.636755364100235E-10 -2.537784678490482E-10 1.607011169318755E-11
peri 2.495579239379363E-13 -6.290091752664055E-13 1.169337227343456E-9 -2.537784678490482E-10 6.07710516346151E-10 -1.463083842667063E-11
i -1.238147908835232E-15 3.08876080248403E-15 3.719242084593635E-12 1.607011169318755E-11 -1.463083842667063E-11 3.46326395302502E-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 15.0   n/a MPO385350  

85681 (1998 RR25)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 RR25 = 2002 TW186 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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