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JPL Small-Body Database Browser
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172323 (2002 UP23)
Classification: Main-belt Asteroid          SPK-ID: 2172323
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094589998354734 3.4789e-08  
a 2.587274653629236 1.6658e-08 au
q 2.304074157743309 9.3312e-08 au
i 4.879625611264537 6.0156e-06 deg
node 346.8610269311704 4.1119e-05 deg
peri 292.0396186563847 5.0658e-05 deg
M 186.677449454319 2.8175e-05 deg
tp 2459732.337734197001
(2022-Jun-01.83773420)
0.00011931 TDB
period 1520.065239528553
4.16
1.468e-05
4.019e-08
d
yr
n .2368319402604416 2.2872e-09 deg/d
Q 2.870475149515163 1.8481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      8698 days (23.81 yr)  
   first obs. used      1996-03-12  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:45:54  

Additional Information
 Earth MOID = 1.29321 au 
 Jupiter MOID = 2.26067 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456758.5 (2014-Apr-11.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1106956607896748 3.4865e-08  
q 2.300434825767353 9.3659e-08 au
tp 2456694.116952464713
(2014-Feb-05.61695246)
0.00011936 TDB
node 346.9183272807536 4.106e-05 deg
peri 292.2764334339193 5.0439e-05 deg
i 4.884585914752054 6.0192e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      8698 days (23.81 yr)  
   first obs. used      1996-03-12  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:45:54  

Additional Information
 Jupiter MOID = 2.26067 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.215566779926311E-15 -3.225172143214158E-15 1.529223415404708E-12 -3.709624642695604E-15 3.457360029906831E-13 -1.313024829819155E-15
q -3.225172143214158E-15 8.772041288356956E-15 -4.270174874367917E-12 9.125375148834352E-15 -9.653958006820337E-13 3.745888575903655E-15
tp 1.529223415404708E-12 -4.270174874367917E-12 1.42467133278201E-8 -2.033618863123588E-11 3.502715307506562E-9 -9.5283649302563E-12
node -3.709624642695604E-15 9.125375148834352E-15 -2.033618863123588E-11 1.685905294158455E-9 -1.684151026551802E-9 2.498984328017016E-11
peri 3.457360029906831E-13 -9.653958006820337E-13 3.502715307506562E-9 -1.684151026551802E-9 2.54409265042495E-9 -2.720134614129819E-11
i -1.313024829819155E-15 3.745888575903655E-15 -9.5283649302563E-12 2.498984328017016E-11 -2.720134614129819E-11 3.623115157194952E-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 16.0   n/a MPO454181  

172323 (2002 UP23)          Discovered 2002-Oct-28 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2048-Feb-03 14:29 < 00:01 Amphi 0.0390903273962278 0.0390873601502146 0.0390932976083304 3.23532188178689 3.23532183633141 2469110.103816228 0.963969530543568 583.306641455732 45.829425778312 76.0114995539732 123741.436685661 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 21:46:15 2020-Jan-29 21:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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