🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 9.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,891,759 km

• M1: 118,182 km (0.087 R)
• M2: 430,692 km (0.11 R)
• M3: 964,757 km (0.04 R)
• M4: 1,302,100 km (0.06 R)
• M5: 1,742,965 km (0.08 R)
• M6: 2,238,134 km (0.046 R)
• M7: 2,936,307 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.8

Radius: 14.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.79 AU - 1.23 AU

Year: 688 Days

Day: 6.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,891,759 km

• M1: 179,667 km (0.106 R)
• M2: 1,984,865 km (0.071 R)
• M3: 2,433,209 km (0.094 R)
• M4: 2,922,245 km (0.087 R)
• M5: 3,519,589 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.5

Radius: 9.3

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.27 AU - 1.37 AU

Year: 1029 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,891,759 km

• M1: 115,789 km (0.073 R)
• M2: 457,919 km (0.116 R)
• M3: 1,093,710 km (0.07 R)
• M4: 1,468,602 km (0.099 R)
• M5: 1,881,492 km (0.064 R)
• M6: 2,392,968 km (0.106 R)
• M7: 2,879,609 km (0.066 R)
• M8: 3,590,349 km (0.091 R)
• M9: 4,131,444 km (0.082 R)
• M10: 4,726,096 km (0.105 R)
• M11: 5,280,356 km (0.114 R)
• M12: 5,573,418 km (0.099 R)
• M13: 5,897,896 km (0.117 R)
• M14: 6,518,428 km (0.107 R)
• M15: 8,325,720 km (0.081 R)
• M16: 9,557,958 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 11.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.8 AU - 1.9 AU

Year: 1707 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,891,759 km

• M1: 141,819 km (0.11 R)
• M2: 823,237 km (0.069 R)
• M3: 1,374,655 km (0.111 R)
• M4: 1,778,868 km (0.066 R)
• M5: 5,406,168 km (0.118 R)
• M6: 6,158,196 km (0.104 R)
• M7: 7,896,972 km (0.115 R)
• M8: 9,155,988 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 12.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.02 AU - 3.88 AU

Year: 4346 Days

Day: 6.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,891,759 km

• M1: 163,959 km (0.077 R)
• M2: 703,559 km (0.086 R)
• M3: 1,213,688 km (0.106 R)
• M4: 1,622,539 km (0.111 R)
• M5: 2,034,531 km (0.083 R)
• M6: 2,473,152 km (0.077 R)
• M7: 3,679,360 km (0.097 R)
• M8: 4,294,356 km (0.052 R)
• M9: 5,757,872 km (0.108 R)
• M10: 6,560,465 km (0.09 R)
• M11: 8,286,525 km (0.058 R)
• M12: 9,237,070 km (0.074 R)
• M13: 10,817,572 km (0.09 R)
• M14: 11,396,515 km (0.075 R)
• M15: 13,445,857 km (0.099 R)
• M16: 14,607,634 km (0.108 R)
• M17: 16,800,140 km (0.046 R)
• M18: 17,297,104 km (0.069 R)
• M19: 17,747,095 km (0.093 R)
• M20: 19,992,259 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 6.8

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.45 AU - 9.89 AU

Year: 15839 Days

Day: 20 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,891,759 km

• M1: 84,523 km (0.062 R)
• M2: 392,545 km (0.108 R)
• M3: 637,736 km (0.073 R)
• M4: 878,738 km (0.093 R)
• M5: 2,439,642 km (0.074 R)
• M6: 2,871,681 km (0.097 R)
• M7: 3,326,907 km (0.119 R)
• M8: 3,572,098 km (0.112 R)
• M9: 3,917,669 km (0.074 R)
• M10: 5,090,068 km (0.099 R)
• M11: 6,994,598 km (0.07 R)
• M12: 7,352,735 km (0.083 R)
• M13: 9,170,499 km (0.046 R)
• M14: 9,874,656 km (0.049 R)
• M15: 11,760,936 km (0.054 R)
• M16: 13,460,816 km (0.067 R)
• M17: 14,657,001 km (0.109 R)
• M18: 15,922,449 km (0.062 R)
• M19: 18,668,917 km (0.068 R)
• M20: 21,063,081 km (0.051 R)
• M21: 21,810,023 km (0.093 R)
• M22: 25,917,532 km (0.065 R)
• M23: 27,210,656 km (0.09 R)
• M24: 38,863,732 km (0.051 R)
• M25: 40,270,251 km (0.058 R)
• M26: 40,698,849 km (0.097 R)
• M27: 45,152,677 km (0.098 R)
• M28: 52,596,068 km (0.093 R)
• M29: 54,664,109 km (0.105 R)
• M30: 59,884,626 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.6

Radius: 7.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.77 AU - 11.25 AU

Year: 18343 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,891,759 km

• M1: 98,286 km (0.117 R)
• M2: 375,790 km (0.112 R)
• M3: 674,986 km (0.094 R)
• M4: 1,060,799 km (0.104 R)
• M5: 1,689,858 km (0.119 R)
• M6: 3,253,006 km (0.063 R)
• M7: 5,305,638 km (0.096 R)
• M8: 8,404,259 km (0.107 R)
• M9: 8,809,819 km (0.099 R)
• M10: 10,460,482 km (0.11 R)
• M11: 13,308,077 km (0.047 R)
• M12: 18,152,505 km (0.099 R)
• M13: 19,214,201 km (0.089 R)
• M14: 31,446,220 km (0.106 R)
• M15: 33,086,262 km (0.105 R)
• M16: 33,532,961 km (0.102 R)
• M17: 40,471,759 km (0.051 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 12,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit