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78528 (2002 RO98)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078528
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305398460374677 3.9361e-08  
a 3.207624188777932 2.3028e-08 au
q 2.788901421028804 1.3193e-07 au
i 5.383320043009229 4.9246e-06 deg
node 164.3652478519783 4.2972e-05 deg
peri 236.991373163842 4.6768e-05 deg
M 71.17177325699734 1.7335e-05 deg
tp 2458981.661617387128
(2020-May-12.16161739)
0.00010036 TDB
period 2098.329308184707
5.74
2.2597e-05
6.187e-08
d
yr
n .1715650630221816 1.8476e-09 deg/d
Q 3.62634695652706 2.6034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      8903 days (24.38 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:37:14  

Additional Information
 Earth MOID = 1.80102 au 
 Jupiter MOID = 1.80861 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457170.5 (2015-May-28.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251954103325823 3.8857e-08  
q 2.807454377966031 1.2898e-07 au
tp 2456865.001246595970
(2014-Jul-26.50124660)
0.00010812 TDB
node 164.5442523286393 4.2779e-05 deg
peri 234.3791920941777 4.7146e-05 deg
i 5.387025404432988 4.9366e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      8903 days (24.38 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:37:14  

Additional Information
 Jupiter MOID = 1.80861 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.509898778697575E-15 -4.952612531228167E-15 -8.474957088766173E-13 2.311972963468288E-15 -1.661204394695565E-13 -1.148561437388442E-15
q -4.952612531228167E-15 1.663550623742646E-14 2.565818724650114E-12 -8.001495856333488E-15 5.183129339123551E-13 4.520520760516068E-15
tp -8.474957088766173E-13 2.565818724650114E-12 1.168955753855321E-8 -9.810727952126332E-12 2.15901886048111E-9 -1.982651854491874E-12
node 2.311972963468288E-15 -8.001495856333488E-15 -9.810727952126332E-12 1.830065880596768E-9 -1.823763365978676E-9 2.488141335402055E-11
peri -1.661204394695565E-13 5.183129339123551E-13 2.15901886048111E-9 -1.823763365978676E-9 2.222752037228798E-9 -2.510520725106667E-11
i -1.148561437388442E-15 4.520520760516068E-15 -1.982651854491874E-12 2.488141335402055E-11 -2.510520725106667E-11 2.437012907233977E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.58   n/a MPCxxxxx  
diameter diameter 6.123 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78528 (2002 RO98)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2002 RO98 = 1996 TY53 = 1999 CS135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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