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102977 (1999 XV76)
Classification: Main-belt Asteroid          SPK-ID: 2102977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528150253202862 3.186e-08  
a 2.150841070223226 8.2802e-09 au
q 1.822160237617152 6.831e-08 au
i 4.256557256717405 4.077e-06 deg
node 94.17339806583492 4.7775e-05 deg
peri 288.2820338974506 5.136e-05 deg
M 286.877578270842 2.3456e-05 deg
tp 2459434.523232299138
(2021-Aug-08.02323230)
7.6123e-05 TDB
period 1152.15499754291
3.15
6.6533e-06
1.822e-08
d
yr
n .3124579598819059 1.8043e-09 deg/d
Q 2.479521902829299 9.5455e-09 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8559 days (23.43 yr)  
   first obs. used      1997-01-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53559  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:30  

Additional Information
 Earth MOID = .829573 au 
 Jupiter MOID = 2.97594 au 
 T_jup = 3.686 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457117.5 (2015-Apr-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152477345051373 3.1763e-08  
q 1.822434720835779 6.8038e-08 au
tp 2457130.542773410451
(2015-Apr-18.04277341)
6.6606e-05 TDB
node 94.2301944200392 4.7772e-05 deg
peri 288.1547165053742 5.1389e-05 deg
i 4.256858910649723 4.0772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8559 days (23.43 yr)  
   first obs. used      1997-01-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53559  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:30  

Additional Information
 Jupiter MOID = 2.97594 au 
 T_jup = 3.686 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.008866755532426E-15 -2.149514475607901E-15 2.742329550863926E-13 2.874553569270011E-15 6.851110477355585E-14 3.833873944269979E-16
q -2.149514475607901E-15 4.629193776131036E-15 -2.620032155725809E-13 -5.54488141707218E-15 -5.579579065180294E-14 -7.001804758843651E-16
tp 2.742329550863926E-13 -2.620032155725809E-13 4.436316260786177E-9 1.034614780906101E-11 1.27090673885689E-9 1.268497013834207E-12
node 2.874553569270011E-15 -5.54488141707218E-15 1.034614780906101E-11 2.282175343439268E-9 -2.272553030321924E-9 1.032444449249055E-12
peri 6.851110477355585E-14 -5.579579065180294E-14 1.27090673885689E-9 -2.272553030321924E-9 2.640811849135106E-9 -6.742410892315898E-13
i 3.833873944269979E-16 -7.001804758843651E-16 1.268497013834207E-12 1.032444449249055E-12 -6.742410892315898E-13 1.662374944017318E-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 16.3   n/a MPO379259  

102977 (1999 XV76)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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