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208930 (2002 UU76)
Classification: Main-belt Asteroid          SPK-ID: 2208930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08184058663317867 4.1977e-08  
a 2.782571271136864 1.7254e-08 au
q 2.554844005958393 1.1996e-07 au
i 5.394776136381041 3.6173e-06 deg
node 97.96221265643572 4.6011e-05 deg
peri 252.829182805296 5.376e-05 deg
M 66.18754395927252 2.5521e-05 deg
tp 2459084.796529762656
(2020-Aug-23.29652976)
0.00012077 TDB
period 1695.383188028439
4.64
1.5769e-05
4.317e-08
d
yr
n .2123413765938331 1.975e-09 deg/d
Q 3.010298536315334 1.8666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      7137 days (19.54 yr)  
   first obs. used      2001-06-28  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:37:32  

Additional Information
 Earth MOID = 1.55416 au 
 Jupiter MOID = 2.33395 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457918.5 (2017-Jun-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08435943582142995 4.2128e-08  
q 2.547279402711003 1.2094e-07 au
tp 2457390.272064520837
(2016-Jan-02.77206452)
0.00012104 TDB
node 97.99198298886581 4.6065e-05 deg
peri 253.0988008600775 5.3369e-05 deg
i 5.392852712459779 3.6163e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      7137 days (19.54 yr)  
   first obs. used      2001-06-28  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:37:32  

Additional Information
 Jupiter MOID = 2.33395 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.774786039233258E-15 -5.051857468050972E-15 1.842467642933356E-12 1.59703291743785E-14 4.382979142619423E-13 -2.343702434290938E-15
q -5.051857468050972E-15 1.462707475413951E-14 -5.795462552674803E-12 -4.471941504669509E-14 -1.356310133040877E-12 6.946019793915718E-15
tp 1.842467642933356E-12 -5.795462552674803E-12 1.465063168873605E-8 1.640782005168076E-11 3.283978083242658E-9 -1.738777560590479E-12
node 1.59703291743785E-14 -4.471941504669509E-14 1.640782005168076E-11 2.121996713805647E-9 -2.108368888744185E-9 -1.511970100942691E-11
peri 4.382979142619423E-13 -1.356310133040877E-12 3.283978083242658E-9 -2.108368888744185E-9 2.84819875580093E-9 1.46118253792846E-11
i -2.343702434290938E-15 6.946019793915718E-15 -1.738777560590479E-12 -1.511970100942691E-11 1.46118253792846E-11 1.307758649949468E-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 15.92   n/a E2021B55  

208930 (2002 UU76)          Discovered 2002-Oct-31 by NEAT at Haleakala
Reference: 20090311/Numbers.arcLast Updated: 2009-03-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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