🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.68 AU - 0.82 AU

Year: 448 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,131,340 km

• M1: 186,549 km (0.072 R)
• M2: 990,188 km (0.093 R)
• M3: 1,468,453 km (0.118 R)
• M4: 2,192,955 km (0.083 R)
• M5: 2,837,572 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.1

Radius: 10.2

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.5 AU - 1.76 AU

Year: 1436 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,131,340 km

• M1: 126,859 km (0.105 R)
• M2: 660,923 km (0.106 R)
• M3: 1,037,162 km (0.05 R)
• M4: 2,404,038 km (0.108 R)
• M5: 4,791,321 km (0.118 R)
• M6: 5,265,695 km (0.109 R)
• M7: 8,939,221 km (0.108 R)
• M8: 9,988,650 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 14.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.24 AU - 3.18 AU

Year: 3079 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,131,340 km

• M1: 180,415 km (0.104 R)
• M2: 696,827 km (0.097 R)
• M3: 1,159,683 km (0.119 R)
• M4: 1,891,665 km (0.089 R)
• M5: 2,991,658 km (0.049 R)
• M6: 3,805,022 km (0.107 R)
• M7: 4,621,527 km (0.041 R)
• M8: 5,093,359 km (0.064 R)
• M9: 6,835,725 km (0.078 R)
• M10: 7,673,473 km (0.056 R)
• M11: 8,220,104 km (0.07 R)
• M12: 8,761,947 km (0.064 R)
• M13: 10,324,647 km (0.099 R)
• M14: 11,428,380 km (0.03 R)
• M15: 12,066,415 km (0.104 R)
• M16: 12,688,443 km (0.106 R)
• M17: 13,619,989 km (0.104 R)
• M18: 14,727,611 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 15

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.67 AU - 2.99 AU

Year: 3286 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,131,340 km

• M1: 190,588 km (0.116 R)
• M2: 775,366 km (0.078 R)
• M3: 1,305,989 km (0.051 R)
• M4: 2,180,838 km (0.05 R)
• M5: 3,328,553 km (0.11 R)
• M6: 4,680,917 km (0.114 R)
• M7: 5,724,063 km (0.094 R)
• M8: 8,305,973 km (0.068 R)
• M9: 10,032,632 km (0.117 R)
• M10: 10,896,111 km (0.11 R)
• M11: 13,103,876 km (0.051 R)
• M12: 14,854,021 km (0.091 R)
• M13: 16,925,802 km (0.113 R)
• M14: 19,060,265 km (0.083 R)
• M15: 24,291,553 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 12.6

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.8 AU - 3.78 AU

Year: 4119 Days

Day: 7.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,131,340 km

• M1: 157,377 km (0.052 R)
• M2: 1,371,513 km (0.115 R)
• M3: 1,966,464 km (0.073 R)
• M4: 2,495,292 km (0.046 R)
• M5: 3,372,983 km (0.091 R)
• M6: 4,267,878 km (0.077 R)
• M7: 4,747,937 km (0.071 R)
• M8: 5,340,644 km (0.041 R)
• M9: 6,917,555 km (0.111 R)
• M10: 7,880,517 km (0.118 R)
• M11: 11,524,122 km (0.066 R)
• M12: 12,459,857 km (0.118 R)
• M13: 14,634,860 km (0.114 R)
• M14: 15,839,423 km (0.113 R)
• M15: 16,715,468 km (0.104 R)
• M16: 18,564,497 km (0.111 R)
• M17: 19,849,693 km (0.081 R)
• M18: 21,390,252 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 14.3

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.84 AU - 5.8 AU

Year: 8470 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,131,340 km

• M1: 177,872 km (0.103 R)
• M2: 745,745 km (0.101 R)
• M3: 1,218,175 km (0.059 R)
• M4: 1,944,772 km (0.103 R)
• M5: 2,518,480 km (0.12 R)
• M6: 3,569,256 km (0.08 R)
• M7: 4,606,567 km (0.053 R)
• M8: 5,289,033 km (0.043 R)
• M9: 6,456,794 km (0.094 R)
• M10: 8,202,900 km (0.086 R)
• M11: 8,673,984 km (0.104 R)
• M12: 10,442,679 km (0.12 R)
• M13: 16,099,274 km (0.107 R)
• M14: 16,635,882 km (0.067 R)
• M15: 20,265,126 km (0.076 R)
• M16: 23,100,006 km (0.102 R)
• M17: 25,100,877 km (0.092 R)
• M18: 27,215,144 km (0.093 R)
• M19: 31,170,661 km (0.109 R)
• M20: 33,719,809 km (0.053 R)
• M21: 34,710,596 km (0.075 R)
• M22: 36,290,199 km (0.082 R)
• M23: 39,714,196 km (0.079 R)
• M24: 41,441,901 km (0.052 R)
• M25: 42,451,388 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.4

Radius: 13.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.5 AU - 6.56 AU

Year: 8976 Days

Day: 9.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,131,340 km

• M1: 346,319 km (0.104 R)
• M2: 1,103,434 km (0.104 R)
• M3: 1,591,422 km (0.106 R)
• M4: 2,191,459 km (0.074 R)
• M5: 2,679,747 km (0.052 R)
• M6: 3,421,902 km (0.074 R)
• M7: 6,351,477 km (0.102 R)
• M8: 8,596,043 km (0.109 R)
• M9: 9,219,866 km (0.066 R)
• M10: 11,170,473 km (0.068 R)
• M11: 15,742,334 km (0.111 R)
• M12: 16,609,702 km (0.096 R)
• M13: 21,351,805 km (0.076 R)
• M14: 28,852,343 km (0.108 R)
• M15: 29,848,066 km (0.117 R)
• M16: 34,392,999 km (0.098 R)
• M17: 38,179,471 km (0.067 R)
• M18: 42,490,134 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 17,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit