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74775 (1999 RB237)
Classification: Main-belt Asteroid          SPK-ID: 2074775
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181534187115859 3.6867e-08  
a 2.327013977524119 8.0652e-09 au
q 1.904581386707036 8.6637e-08 au
i 5.792691745075094 4.028e-06 deg
node 96.42142919040577 4.239e-05 deg
peri 207.9288757800796 4.4011e-05 deg
M 34.61880078968441 1.0947e-05 deg
tp 2459075.817232439273
(2020-Aug-14.31723244)		 3.9383e-05 TDB
period 1296.572824534019
3.55		 6.7407e-06
1.846e-08		 d
yr
n .2776550558426072 1.4435e-09 deg/d
Q 2.749446568341201 9.5293e-09 au
   Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      10232 days (28.01 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57408  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:59:04  

Additional Information
 Earth MOID = .889505 au 
 Jupiter MOID = 2.48167 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457013.5 (2014-Dec-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816513374006408 3.6927e-08  
q 1.904556933081838 8.6688e-08 au
tp 2456480.960345580666
(2013-Jul-07.46034558)		 4.068e-05 TDB
node 96.49835526332683 4.2318e-05 deg
peri 207.6683265663283 4.3934e-05 deg
i 5.797097087104584 4.0317e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      10232 days (28.01 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57408  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:59:04  

Additional Information
 Jupiter MOID = 2.48167 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.363575223018656E-15 -3.192074734766219E-15 1.548987870485742E-13 3.147430799237809E-14 3.247510280166958E-14 -1.395305707818298E-15
q -3.192074734766219E-15 7.514858282735743E-15 -4.269135175847706E-13 -7.470791126214886E-14 -8.864423628774217E-14 3.368849936538601E-15
tp 1.548987870485742E-13 -4.269135175847706E-13 1.654896893430746E-9 2.645688673489141E-12 4.976385374187212E-10 1.414314681486726E-12
node 3.147430799237809E-14 -7.470791126214886E-14 2.645688673489141E-12 1.790841207483248E-9 -1.779866336240802E-9 1.128159460439527E-11
peri 3.247510280166958E-14 -8.864423628774217E-14 4.976385374187212E-10 -1.779866336240802E-9 1.930230589742152E-9 -1.081437962805179E-11
i -1.395305707818298E-15 3.368849936538601E-15 1.414314681486726E-12 1.128159460439527E-11 -1.081437962805179E-11 1.625452522452188E-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 16.02   n/a E2021B10  

74775 (1999 RB237)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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
2063-Jun-29 16:53 < 00:01 Hebe 0.0400257463653169 0.0400243269230634 0.0400271672380322 6.2388975222353 6.23889749734041 2474735.203226750 0.648333964497427 427.379137845363 31.5807483257851 81.451440171942 187455.631955708 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 06:59:05 2021-Feb-24 06:59
2127-Aug-22 19:16 < 00:01 Juno 0.00702905883110436 0.00701212152900937 0.0070460003577769 8.38448552470015 8.38448531827035 2498164.302684724 0.375190965668859 887.214889356672 35.7194705519744 -17.8629332000451 9094.95829932871 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 06:59:05 2021-Feb-24 06:59
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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