🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.57 AU - 0.67 AU

Year: 310 Days

Day: 17.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 11.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.87 AU - 1.07 AU

Year: 607 Days

Day: 6.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,364,901 km

• M1: 148,102 km (0.116 R)
• M2: 535,112 km (0.105 R)
• M3: 925,562 km (0.109 R)
• M4: 1,557,164 km (0.119 R)
• M5: 2,155,406 km (0.102 R)
• M6: 2,829,195 km (0.115 R)
• M7: 3,565,067 km (0.117 R)
• M8: 4,011,916 km (0.099 R)
• M9: 4,715,474 km (0.058 R)
• M10: 5,352,313 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.6

Radius: 13.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.11 AU - 1.11 AU

Year: 744 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,364,901 km

• M1: 173,683 km (0.087 R)
• M2: 837,449 km (0.091 R)
• M3: 1,274,424 km (0.048 R)
• M4: 1,961,976 km (0.057 R)
• M5: 2,415,856 km (0.072 R)
• M6: 2,919,702 km (0.083 R)
• M7: 3,494,008 km (0.098 R)
• M8: 4,103,619 km (0.114 R)
• M9: 4,725,348 km (0.087 R)
• M10: 5,314,614 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.8

Radius: 10.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.02 AU - 1.54 AU

Year: 921 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,364,901 km

• M1: 130,749 km (0.077 R)
• M2: 467,793 km (0.091 R)
• M3: 795,113 km (0.096 R)
• M4: 1,494,184 km (0.111 R)
• M5: 2,131,171 km (0.118 R)
• M6: 2,484,671 km (0.113 R)
• M7: 2,852,682 km (0.075 R)
• M8: 3,325,860 km (0.037 R)
• M9: 4,117,681 km (0.107 R)
• M10: 5,564,592 km (0.102 R)
• M11: 6,220,878 km (0.05 R)
• M12: 6,746,415 km (0.104 R)
• M13: 7,861,518 km (0.056 R)
• M14: 8,581,831 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.4

Radius: 12.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.12 AU - 1.64 AU

Year: 1031 Days

Day: 11.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,364,901 km

• M1: 155,432 km (0.029 R)
• M2: 801,845 km (0.073 R)
• M3: 1,287,589 km (0.041 R)
• M4: 1,799,513 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.2

Radius: 3.9

Gravity: 50.7 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 11.08 AU - 11.42 AU

Year: 23992 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,364,901 km

• M1: 48,619 km (0.063 R)
• M2: 222,901 km (0.098 R)
• M3: 349,909 km (0.1 R)
• M4: 518,955 km (0.08 R)
• M5: 680,670 km (0.092 R)
• M6: 1,298,659 km (0.086 R)
• M7: 1,546,992 km (0.101 R)
• M8: 1,729,501 km (0.119 R)
• M9: 2,051,436 km (0.105 R)
• M10: 3,002,728 km (0.091 R)
• M11: 3,528,116 km (0.055 R)
• M12: 3,845,264 km (0.089 R)
• M13: 4,215,668 km (0.091 R)
• M14: 5,594,960 km (0.109 R)
• M15: 5,721,969 km (0.088 R)
• M16: 6,294,779 km (0.078 R)
• M17: 9,086,874 km (0.052 R)
• M18: 9,560,351 km (0.081 R)
• M19: 10,815,926 km (0.044 R)
• M20: 11,966,184 km (0.033 R)
• M21: 14,190,854 km (0.089 R)
• M22: 15,317,476 km (0.115 R)
• M23: 15,650,032 km (0.043 R)
• M24: 20,122,858 km (0.065 R)
• M25: 24,351,242 km (0.097 R)
• M26: 25,610,108 km (0.115 R)
• M27: 26,791,483 km (0.07 R)
• M28: 36,980,294 km (0.039 R)
• M29: 38,640,382 km (0.085 R)
• M30: 43,419,436 km (0.06 R)
• M31: 59,066,625 km (0.117 R)
• M32: 60,501,119 km (0.077 R)
• M33: 78,086,349 km (0.089 R)
• M34: 82,323,858 km (0.089 R)
• M35: 89,364,831 km (0.105 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 17,087 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit