🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.5

Radius: 13.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 10.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,928,072 km

• M1: 169,345 km (0.089 R)
• M2: 659,427 km (0.088 R)
• M3: 1,088,474 km (0.086 R)
• M4: 1,646,624 km (0.081 R)
• M5: 2,343,451 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 14

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.87 AU - 2.47 AU

Year: 2168 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,928,072 km

• M1: 174,282 km (0.045 R)
• M2: 827,426 km (0.044 R)
• M3: 1,403,527 km (0.094 R)
• M4: 2,478,986 km (0.099 R)
• M5: 2,995,398 km (0.12 R)
• M6: 3,469,773 km (0.038 R)
• M7: 3,959,257 km (0.064 R)
• M8: 4,650,998 km (0.096 R)
• M9: 5,248,492 km (0.072 R)
• M10: 6,399,647 km (0.108 R)
• M11: 7,853,439 km (0.087 R)
• M12: 8,795,158 km (0.078 R)
• M13: 10,177,592 km (0.077 R)
• M14: 11,188,874 km (0.044 R)
• M15: 12,614,092 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 10.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.03 AU - 2.71 AU

Year: 2475 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,928,072 km

• M1: 129,402 km (0.116 R)
• M2: 717,023 km (0.114 R)
• M3: 1,066,184 km (0.115 R)
• M4: 1,436,289 km (0.117 R)
• M5: 1,769,892 km (0.072 R)
• M6: 2,444,728 km (0.11 R)
• M7: 3,037,136 km (0.107 R)
• M8: 3,402,155 km (0.096 R)
• M9: 4,083,124 km (0.116 R)
• M10: 4,896,638 km (0.028 R)
• M11: 7,154,967 km (0.074 R)
• M12: 7,564,716 km (0.103 R)
• M13: 8,367,308 km (0.103 R)
• M14: 9,431,847 km (0.065 R)
• M15: 10,924,833 km (0.088 R)
• M16: 11,548,357 km (0.091 R)
• M17: 12,994,819 km (0.072 R)
• M18: 14,558,416 km (0.102 R)
• M19: 15,074,828 km (0.091 R)
• M20: 16,545,524 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 8.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.93 AU - 4.47 AU

Year: 4827 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,928,072 km

• M1: 102,026 km (0.094 R)
• M2: 515,365 km (0.119 R)
• M3: 816,356 km (0.078 R)
• M4: 1,127,220 km (0.117 R)
• M5: 2,057,270 km (0.096 R)
• M6: 2,441,886 km (0.082 R)
• M7: 2,704,430 km (0.041 R)
• M8: 3,018,287 km (0.11 R)
• M9: 3,426,988 km (0.118 R)
• M10: 3,795,448 km (0.105 R)
• M11: 4,129,200 km (0.037 R)
• M12: 4,946,753 km (0.119 R)
• M13: 5,615,306 km (0.041 R)
• M14: 6,208,312 km (0.077 R)
• M15: 9,564,540 km (0.1 R)
• M16: 12,588,960 km (0.079 R)
• M17: 13,023,392 km (0.03 R)
• M18: 14,958,740 km (0.085 R)
• M19: 18,877,905 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.4

Radius: 11.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.09 AU - 5.15 AU

Year: 7858 Days

Day: 10.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,928,072 km

• M1: 138,079 km (0.039 R)
• M2: 513,569 km (0.087 R)
• M3: 1,728,603 km (0.031 R)
• M4: 2,283,911 km (0.108 R)
• M5: 3,682,202 km (0.105 R)
• M6: 5,305,339 km (0.084 R)
• M7: 7,828,606 km (0.086 R)
• M8: 10,714,798 km (0.111 R)
• M9: 11,367,194 km (0.118 R)
• M10: 12,862,575 km (0.112 R)
• M11: 13,370,010 km (0.041 R)
• M12: 13,949,403 km (0.115 R)
• M13: 17,715,380 km (0.065 R)
• M14: 18,062,746 km (0.102 R)
• M15: 21,791,323 km (0.071 R)
• M16: 27,274,534 km (0.11 R)
• M17: 27,831,487 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.3

Radius: 11

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.62 AU - 6.14 AU

Year: 8464 Days

Day: 15 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,928,072 km

• M1: 136,882 km (0.118 R)
• M2: 1,743,414 km (0.111 R)
• M3: 2,363,646 km (0.116 R)
• M4: 2,901,152 km (0.115 R)
• M5: 4,044,528 km (0.048 R)
• M6: 5,942,027 km (0.058 R)
• M7: 7,346,602 km (0.066 R)
• M8: 10,366,684 km (0.074 R)
• M9: 11,757,645 km (0.109 R)
• M10: 14,485,263 km (0.103 R)
• M11: 21,621,679 km (0.112 R)
• M12: 22,571,776 km (0.098 R)
• M13: 23,881,505 km (0.118 R)
• M14: 24,810,807 km (0.113 R)
• M15: 27,285,305 km (0.075 R)
• M16: 28,207,576 km (0.115 R)
• M17: 30,309,725 km (0.081 R)
• M18: 33,865,966 km (0.073 R)
• M19: 34,823,542 km (0.027 R)
• M20: 36,018,231 km (0.066 R)
• M21: 37,240,146 km (0.081 R)
• M22: 37,804,579 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.6

Radius: 6.1

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6 AU - 8.66 AU

Year: 13460 Days

Day: 18.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,928,072 km

• M1: 79,736 km (0.105 R)
• M2: 543,040 km (0.08 R)
• M3: 764,296 km (0.112 R)
• M4: 1,151,006 km (0.09 R)
• M5: 1,382,434 km (0.106 R)
• M6: 1,691,952 km (0.116 R)
• M7: 1,957,937 km (0.113 R)
• M8: 3,313,144 km (0.073 R)
• M9: 5,165,465 km (0.102 R)
• M10: 5,547,837 km (0.072 R)
• M11: 6,061,706 km (0.112 R)
• M12: 6,291,338 km (0.038 R)
• M13: 6,687,174 km (0.078 R)
• M14: 7,141,503 km (0.064 R)
• M15: 7,397,914 km (0.036 R)
• M16: 8,438,068 km (0.111 R)
• M17: 9,317,703 km (0.098 R)
• M18: 15,414,265 km (0.047 R)
• M19: 16,874,191 km (0.079 R)
• M20: 19,563,512 km (0.037 R)
• M21: 19,981,638 km (0.104 R)
• M22: 21,184,255 km (0.08 R)
• M23: 22,072,268 km (0.065 R)
• M24: 23,170,466 km (0.114 R)
• M25: 26,174,990 km (0.113 R)
• M26: 29,538,698 km (0.1 R)
• M27: 30,758,519 km (0.109 R)
• M28: 34,740,515 km (0.085 R)
• M29: 37,878,630 km (0.073 R)
• M30: 39,582,849 km (0.092 R)
• M31: 40,117,212 km (0.103 R)
• M32: 40,928,033 km (0.073 R)
• M33: 41,474,514 km (0.039 R)
• M34: 43,851,624 km (0.068 R)
• M35: 46,911,349 km (0.117 R)
• M36: 47,210,096 km (0.1 R)
• M37: 47,811,031 km (0.069 R)
• M38: 48,722,231 km (0.104 R)
• M39: 51,683,820 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 17,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit