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300419 (2007 RO321)
Classification: Main-belt Asteroid          SPK-ID: 2300419
[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468656934355567 5.9371e-08  
a 2.554487387019648 2.6414e-08 au
q 2.179320825552624 1.5056e-07 au
i 12.49307740430613 7.587e-06 deg
node 2.38284764497108 2.2554e-05 deg
peri 248.3301106897015 3.1496e-05 deg
M 205.63303394879 2.3315e-05 deg
tp 2459839.949038459887
(2022-Sep-17.44903846)		 0.00010026 TDB
period 1491.262410179077
4.08		 2.313e-05
6.333e-08		 d
yr
n .2414062056031906 3.7443e-09 deg/d
Q 2.929653948486672 3.0294e-08 au
   Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      6357 days (17.40 yr)  
   first obs. used      2003-09-21  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52918  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:34:50  

Additional Information
 Earth MOID = 1.20103 au 
 Jupiter MOID = 2.19266 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472425226274922 5.9155e-08  
q 2.177775775223236 1.4987e-07 au
tp 2456859.277294502614
(2014-Jul-20.77729450)		 9.1742e-05 TDB
node 2.422454249892009 2.2532e-05 deg
peri 248.5140942082733 3.1542e-05 deg
i 12.50030480822452 7.5915e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      6357 days (17.40 yr)  
   first obs. used      2003-09-21  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52918  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:34:50  

Additional Information
 Jupiter MOID = 2.19266 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.499258111320048E-15 -8.766325714765372E-15 -3.033413777442998E-12 -7.614015870737896E-15 -8.08075873642069E-13 -8.690592204542986E-15
q -8.766325714765372E-15 2.246218852942645E-14 7.623631733356681E-12 1.913726405736868E-14 2.07834596256753E-12 2.392734694432987E-14
tp -3.033413777442998E-12 7.623631733356681E-12 8.416526625066886E-9 3.834045792721145E-11 2.034309529475227E-9 2.432068339128667E-11
node -7.614015870737896E-15 1.913726405736868E-14 3.834045792721145E-11 5.077135401271158E-10 -4.857758308066226E-10 7.833866302447662E-11
peri -8.08075873642069E-13 2.07834596256753E-12 2.034309529475227E-9 -4.857758308066226E-10 9.948951204466295E-10 -7.036867044309542E-11
i -8.690592204542986E-15 2.392734694432987E-14 2.432068339128667E-11 7.833866302447662E-11 -7.036867044309542E-11 5.763110265217316E-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 15.7   n/a MPO440418  
diameter diameter 2.270 km 0.549 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

300419 (2007 RO321)          Discovered 2007-Sep-14 by LINEAR at Socorro
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2040-Jan-12 04:28 00:01 Psych 0.0379487292374684 0.0379455832101734 0.0379518878625444 6.44005174173451 6.44005169222752 2466165.686299106 1.17367832492224 1251.00133549544 75.1562217874601 83.6541814090964 75047.9515581505 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:34:51 2021-Apr-14 05:34
2085-Jan-02 02:05 00:01 Psych 0.0420818571533399 0.0420286907528446 0.0421350531725375 6.50012408532153 6.50012404108953 2482592.586901546 1.31126897107296 3182.50486459745 75.1198480502809 33.6001857843089 46388.6227196605 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:34:51 2021-Apr-14 05:34
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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