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JPL Small-Body Database Browser
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52855 (1998 RW76)
Classification: Main-belt Asteroid          SPK-ID: 2052855
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03426320212035782 4.3515e-08  
a 2.157127360296331 7.3518e-09 au
q 2.083217269551144 9.5917e-08 au
i 5.102739541587748 4.9548e-06 deg
node 50.51327443029768 3.8804e-05 deg
peri 9.609067899325671 7.4585e-05 deg
M 251.4902551429532 6.3655e-05 deg
tp 2459349.301504381311
(2021-May-14.80150438)
0.00020512 TDB
period 1157.209813208012
3.17
5.9159e-06
1.62e-08
d
yr
n .3110931102476652 1.5904e-09 deg/d
Q 2.231037451041519 7.6037e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1444  
   data-arc span      21382 days (58.54 yr)  
   first obs. used      1960-10-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50625  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:58  

Additional Information
 Earth MOID = 1.09502 au 
 Jupiter MOID = 2.8455 au 
 T_jup = 3.694 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03433975586663079 4.3576e-08  
q 2.082551927577359 9.6098e-08 au
tp 2457034.742078484532
(2015-Jan-12.24207848)
0.00020064 TDB
node 50.57055063693026 3.8783e-05 deg
peri 9.394703429237516 7.4256e-05 deg
i 5.104530076404567 4.9555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1444  
   data-arc span      21382 days (58.54 yr)  
   first obs. used      1960-10-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50625  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:58  

Additional Information
 Jupiter MOID = 2.8455 au 
 T_jup = 3.694 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.898851616057857E-15 -4.177062260863268E-15 -5.500876090203979E-12 1.940960147726542E-14 -1.747637803009809E-12 -1.85423458125614E-15
q -4.177062260863268E-15 9.234830007291107E-15 1.220739768451938E-11 -4.326094573836937E-14 3.876592719143683E-12 4.205086041253263E-15
tp -5.500876090203979E-12 1.220739768451938E-11 4.025528426546774E-8 -6.506599565922588E-11 1.271507118816104E-8 6.627034365247379E-12
node 1.940960147726542E-14 -4.326094573836937E-14 -6.506599565922588E-11 1.504142340851612E-9 -1.518213309040086E-9 -9.727197643977583E-11
peri -1.747637803009809E-12 3.876592719143683E-12 1.271507118816104E-8 -1.518213309040086E-9 5.513913793571072E-9 9.896322464049397E-11
i -1.85423458125614E-15 4.205086041253263E-15 6.627034365247379E-12 -9.727197643977583E-11 9.896322464049397E-11 2.455718115357916E-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 15.4   n/a MPO365866  

52855 (1998 RW76)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RW76 = 2000 FX42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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