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152101 (2004 RU101)
Classification: Main-belt Asteroid          SPK-ID: 2152101
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112364630023368 5.1658e-08  
a 2.607431093084813 1.6707e-08 au
q 2.056646571459261 1.4297e-07 au
i 2.135879378573591 4.3366e-06 deg
node 273.4199615584221 0.00015011 deg
peri 354.3916286852017 0.00015063 deg
M 13.94192900106698 1.3102e-05 deg
tp 2459140.942281458848
(2020-Oct-18.44228146)
5.5808e-05 TDB
period 1537.863137387501
4.21
1.4781e-05
4.047e-08
d
yr
n .2340910522190958 2.2499e-09 deg/d
Q 3.158215614710366 2.0237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:25:42  

Additional Information
 Earth MOID = 1.03887 au 
 Jupiter MOID = 1.94177 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457555.5 (2016-Jun-16.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102746758257849 5.1701e-08  
q 2.058753514960943 1.4302e-07 au
tp 2457602.434581203937
(2016-Aug-01.93458120)
5.3697e-05 TDB
node 273.4422191141568 0.00015015 deg
peri 354.1917369124575 0.00015068 deg
i 2.135420470719506 4.3367e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:25:42  

Additional Information
 Jupiter MOID = 1.94177 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.673032131206188E-15 -7.374124508576228E-15 -9.423877737133562E-13 -1.599346970944304E-14 -1.299793752815899E-13 -2.2578691186173E-15
q -7.374124508576228E-15 2.045540188387878E-14 2.472062540303183E-12 4.396865044675233E-14 3.286689134464769E-13 6.3857836073606E-15
tp -9.423877737133562E-13 2.472062540303183E-12 2.883362614976086E-9 1.224950978764575E-11 7.088802707833779E-10 2.244255595244049E-12
node -1.599346970944304E-14 4.396865044675233E-14 1.224950978764575E-11 2.254569262274926E-8 -2.25273125617915E-8 -2.611817311691348E-10
peri -1.299793752815899E-13 3.286689134464769E-13 7.088802707833779E-10 -2.25273125617915E-8 2.27030287513193E-8 2.615083521820108E-10
i -2.2578691186173E-15 6.3857836073606E-15 2.244255595244049E-12 -2.611817311691348E-10 2.615083521820108E-10 1.880719240249199E-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 16.12   n/a E2021B55  

152101 (2004 RU101)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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