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215980 (2005 RP22)
Classification: Main-belt Asteroid          SPK-ID: 2215980
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724322464145273 4.9912e-08  
a 3.103565068285831 2.5009e-08 au
q 2.56841037166765 1.6155e-07 au
i 6.471576953962761 6.6722e-06 deg
node 222.7033500139964 3.5475e-05 deg
peri 129.4364224151794 3.9335e-05 deg
M 257.8577926421939 1.7635e-05 deg
tp 2459567.120714937849
(2021-Dec-18.62071494)
0.00010166 TDB
period 1997.053545779245
5.47
2.4139e-05
6.609e-08
d
yr
n .1802655721279266 2.1789e-09 deg/d
Q 3.638719764904013 2.9322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7184 days (19.67 yr)  
   first obs. used      2000-12-16  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:38:49  

Additional Information
 Earth MOID = 1.56954 au 
 Jupiter MOID = 1.8691 au 
 T_jup = 3.188 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457463.5 (2016-Mar-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719746585943762 5.0062e-08  
q 2.57131859515599 1.6204e-07 au
tp 2457572.122197667700
(2016-Jul-02.62219767)
9.0051e-05 TDB
node 222.7082715739748 3.5469e-05 deg
peri 129.8308140625106 3.9333e-05 deg
i 6.470688775411597 6.6717e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7184 days (19.67 yr)  
   first obs. used      2000-12-16  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:38:49  

Additional Information
 Jupiter MOID = 1.8691 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.506172916768468E-15 -8.049551256836401E-15 1.529081561812467E-12 -1.016888026384893E-14 3.35459331857288E-13 -1.880068919729148E-15
q -8.049551256836401E-15 2.625833483848615E-14 -4.034330736688049E-12 3.057465994257925E-14 -9.271613985904659E-13 6.222985920054037E-15
tp 1.529081561812467E-12 -4.034330736688049E-12 8.109272044401828E-9 -1.753869887990064E-11 1.539480238604696E-9 -9.0745789767371E-13
node -1.016888026384893E-14 3.057465994257925E-14 -1.753869887990064E-11 1.25804479116946E-9 -1.253118888752555E-9 -3.193466211541481E-11
peri 3.35459331857288E-13 -9.271613985904659E-13 1.539480238604696E-9 -1.253118888752555E-9 1.547066192074691E-9 3.151013590309695E-11
i -1.880068919729148E-15 6.222985920054037E-15 -9.0745789767371E-13 -3.193466211541481E-11 3.151013590309695E-11 4.451187251863522E-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 15.5   n/a MPO433413  
diameter diameter 3.399 km 0.490 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215980 (2005 RP22)          Discovered 2005-Sep-10 by LONEOS at Anderson Mesa
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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