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175794 (1999 RU104)
Classification: Main-belt Asteroid          SPK-ID: 2175794
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948782819280953 5.8118e-08  
a 3.162096682792796 3.7256e-08 au
q 2.545872713959607 1.964e-07 au
i 11.61689548305074 5.9973e-06 deg
node 315.1211869558659 3.4974e-05 deg
peri 2.059358310185637 3.9334e-05 deg
M 296.8819470621135 2.0248e-05 deg
tp 2459560.590974634416
(2021-Dec-12.09097463)
0.00011851 TDB
period 2053.81415988797
5.62
3.6297e-05
9.938e-08
d
yr
n .1752836293716258 3.0978e-09 deg/d
Q 3.778320651625985 4.4516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:51  

Additional Information
 Earth MOID = 1.53051 au 
 Jupiter MOID = 1.53907 au 
 T_jup = 3.143 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457295.5 (2015-Sep-30.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933694680673176 5.8155e-08  
q 2.552608013657221 1.9653e-07 au
tp 2457505.409177966307
(2016-Apr-26.90917797)
0.00010645 TDB
node 315.1410232909966 3.4981e-05 deg
peri 2.107875603135024 3.9404e-05 deg
i 11.61140544596096 5.9944e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:51  

Additional Information
 Jupiter MOID = 1.53907 au 
 T_jup = 3.143 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.381971091097098E-15 -1.131016253746318E-14 1.292569257264784E-12 5.510277052660445E-15 3.511328656367013E-13 -8.866540213954234E-16
q -1.131016253746318E-14 3.862322630766965E-14 -3.434418258291899E-12 -1.462762262490607E-15 -1.057323193398313E-12 8.58807463308882E-15
tp 1.292569257264784E-12 -3.434418258291899E-12 1.133205800005128E-8 2.630169944310069E-11 2.003840399353011E-9 1.550551838091915E-11
node 5.510277052660445E-15 -1.462762262490607E-15 2.630169944310069E-11 1.223684278033988E-9 -1.19328479622649E-9 6.087354730814807E-11
peri 3.511328656367013E-13 -1.057323193398313E-12 2.003840399353011E-9 -1.19328479622649E-9 1.552643260794674E-9 -5.710051990045224E-11
i -8.866540213954234E-16 8.58807463308882E-15 1.550551838091915E-11 6.087354730814807E-11 -5.710051990045224E-11 3.593276309451316E-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 14.86   n/a E2021B55  
diameter diameter 7.350 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

175794 (1999 RU104)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ 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
1968-May-28 02:10 00:03 Jupiter 1.83161132975476 1.83160898742773 1.83161367230856 3.18452458794995 3.03583655107066 2440004.590616023 3.14195046468203 1256.51778271592 60.4711985769338 -85.3512351565215 1810570.44169115 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:06:52 2021-Apr-13 21:06
1979-Apr-21 19:59 00:02 Jupiter 1.56742544611457 1.56742472904733 1.56742616318243 3.18122565100172 3.00656195036992 2443985.332374193 2.08629543212104 478.709861570442 34.7154329452012 -89.9673393848618 2281513.26184749 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:06:52 2021-Apr-13 21:06
1990-Mar-17 14:13 00:02 Jupiter 1.62971474606374 1.62971376656917 1.62971572557294 2.92301186647965 2.73943881781246 2447968.092686201 1.51171756414245 304.061767437844 16.8860292259969 -80.6678554594408 2139445.90113683 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:06:52 2021-Apr-13 21:06
2000-Nov-21 01:02 < 00:01 Jupiter 1.96074783429808 1.96074679027627 1.96074887831978 2.67148930366673 2.50457103399932 2451869.543350907 0.990011982145056 65.6245946772727 30.9257196962731 -56.3420366834013 1766170.23920422 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:06:52 2021-Apr-13 21:06
2087-Apr-08 12:01 00:04 Jupiter 1.89262806332559 1.89262539059461 1.89263073667733 3.03283580193874 2.88149570450731 2483419.000969330 3.76223461852568 1923.64583766587 47.7487453712634 -86.2004255943153 1716478.24277091 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:06:52 2021-Apr-13 21:06
2098-Feb-20 17:19 00:04 Jupiter 1.59335922417129 1.59335769245405 1.59336075590221 3.18101157670012 3.00925966882768 2487390.221213942 4.02830945686993 453.511626203239 66.3323538133891 85.3126379965141 2191396.59293002 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:06:52 2021-Apr-13 21:06
2109-Jan-23 07:53 00:05 Jupiter 1.60195021021286 1.6019483843694 1.60195203624382 3.09032129928096 2.91420598924606 2491378.828786631 5.10020916592922 923.63634257158 14.2836002552905 -83.8504943385755 2279991.52745249 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:06:52 2021-Apr-13 21:06
2119-Oct-22 08:46 00:07 Jupiter 1.91529801796687 1.91529386588404 1.91530217006049 2.84117698192982 2.68100829496004 2495302.865604772 7.26710813158949 317.860564621573 35.0934192704801 -51.2168839832295 1733595.86211238 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:06:52 2021-Apr-13 21:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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