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102888 (1999 XV4)
Classification: Main-belt Asteroid          SPK-ID: 2102888
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318122506224414 5.9155e-08  
a 2.122425997591642 1.1518e-08 au
q 1.842664250069508 1.3345e-07 au
i 1.992281581338283 4.5175e-06 deg
node 107.5167196693489 0.00010973 deg
peri 260.6690730143612 0.00011379 deg
M 332.8782765975719 3.5657e-05 deg
tp 2459285.586771188542
(2021-Mar-12.08677119)
0.00011249 TDB
period 1129.39864378725
3.09
9.1939e-06
2.517e-08
d
yr
n .3187537031147833 2.5948e-09 deg/d
Q 2.402187745113777 1.3037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1995-05-31  
   last obs. used      2020-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:06  

Additional Information
 Earth MOID = .841189 au 
 Jupiter MOID = 3.05658 au 
 T_jup = 3.717 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456278.5 (2012-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322388894386245 5.9082e-08  
q 1.841273004861251 1.3315e-07 au
tp 2455897.684133055315
(2011-Dec-02.18413306)
8.9014e-05 TDB
node 107.5409659086903 0.00010977 deg
peri 260.6321549169057 0.00011383 deg
i 1.992316523805838 4.5173e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1995-05-31  
   last obs. used      2020-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:06  

Additional Information
 Jupiter MOID = 3.05658 au 
 T_jup = 3.717 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.490690673869734E-15 -7.857970495625561E-15 -4.2545254327258E-12 4.249708720113779E-15 -1.39293839649593E-12 -5.134911790435903E-15
q -7.857970495625561E-15 1.772767530629699E-14 9.753497279291391E-12 -1.331439997475701E-14 3.20083020674918E-12 1.153964114303145E-14
tp -4.2545254327258E-12 9.753497279291391E-12 7.923426492707107E-9 -4.337944356441474E-11 2.691356826153692E-9 6.157570608644916E-12
node 4.249708720113779E-15 -1.331439997475701E-14 -4.337944356441474E-11 1.205005303780055E-8 -1.205754494279687E-8 2.448456047555994E-10
peri -1.39293839649593E-12 3.20083020674918E-12 2.691356826153692E-9 -1.205754494279687E-8 1.295771636363251E-8 -2.42712511992784E-10
i -5.134911790435903E-15 1.153964114303145E-14 6.157570608644916E-12 2.448456047555994E-10 -2.42712511992784E-10 2.040637726394041E-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 16.82   n/a E2021B55  

102888 (1999 XV4)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XV4 = 2002 TQ223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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