🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 8.5

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.7 AU - 0.88 AU

Year: 446 Days

Day: 9 Hours

Environment

Temp: -140 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,656,675 km

• M1: 105,766 km (0.081 R)
• M2: 628,909 km (0.118 R)
• M3: 957,726 km (0.055 R)
• M4: 1,294,022 km (0.045 R)
• M5: 1,606,382 km (0.097 R)
• M6: 1,903,783 km (0.082 R)
• M7: 2,320,562 km (0.076 R)
• M8: 2,621,254 km (0.103 R)
• M9: 2,915,363 km (0.096 R)
• M10: 3,313,892 km (0.11 R)
• M11: 3,658,715 km (0.044 R)
• M12: 4,095,691 km (0.042 R)
• M13: 4,686,901 km (0.06 R)
• M14: 5,106,374 km (0.086 R)
• M15: 5,949,507 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.6

Radius: 13.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.85 AU - 0.99 AU

Year: 561 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,656,675 km

• M1: 165,455 km (0.091 R)
• M2: 682,465 km (0.059 R)
• M3: 1,291,030 km (0.053 R)
• M4: 1,751,492 km (0.03 R)
• M5: 2,546,605 km (0.067 R)
• M6: 3,583,467 km (0.108 R)
• M7: 4,137,728 km (0.068 R)
• M8: 4,838,893 km (0.084 R)
• M9: 5,306,386 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.6

Radius: 9.2

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.08 AU - 1.6 AU

Year: 986 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,656,675 km

• M1: 114,442 km (0.096 R)
• M2: 429,346 km (0.106 R)
• M3: 726,148 km (0.109 R)
• M4: 1,087,876 km (0.104 R)
• M5: 1,487,152 km (0.099 R)
• M6: 2,053,680 km (0.05 R)
• M7: 2,387,582 km (0.074 R)
• M8: 3,306,412 km (0.111 R)
• M9: 3,644,952 km (0.047 R)
• M10: 4,055,598 km (0.117 R)
• M11: 4,392,343 km (0.12 R)
• M12: 4,951,091 km (0.111 R)
• M13: 5,415,742 km (0.092 R)
• M14: 5,930,508 km (0.118 R)
• M15: 6,276,827 km (0.118 R)
• M16: 7,471,815 km (0.064 R)
• M17: 8,483,097 km (0.118 R)
• M18: 8,923,513 km (0.028 R)
• M19: 9,437,082 km (0.117 R)
• M20: 9,909,961 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.8

Radius: 9

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.39 AU - 5.37 AU

Year: 5828 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,656,675 km

• M1: 113,096 km (0.061 R)
• M2: 393,293 km (0.1 R)
• M3: 676,631 km (0.12 R)
• M4: 1,175,839 km (0.114 R)
• M5: 1,778,120 km (0.099 R)
• M6: 2,484,222 km (0.101 R)
• M7: 3,409,784 km (0.092 R)
• M8: 3,702,547 km (0.075 R)
• M9: 5,104,429 km (0.102 R)
• M10: 6,085,941 km (0.082 R)
• M11: 6,518,877 km (0.064 R)
• M12: 6,830,489 km (0.059 R)
• M13: 8,459,311 km (0.076 R)
• M14: 8,999,060 km (0.114 R)
• M15: 10,010,042 km (0.058 R)
• M16: 10,519,573 km (0.116 R)
• M17: 11,046,157 km (0.075 R)
• M18: 13,220,263 km (0.1 R)
• M19: 15,912,576 km (0.114 R)
• M20: 16,799,542 km (0.113 R)
• M21: 17,124,169 km (0.112 R)
• M22: 20,164,596 km (0.107 R)
• M23: 21,354,049 km (0.038 R)
• M24: 24,781,785 km (0.085 R)
• M25: 26,669,860 km (0.087 R)
• M26: 28,559,729 km (0.106 R)
• M27: 30,730,245 km (0.106 R)
• M28: 32,203,634 km (0.09 R)
• M29: 32,805,915 km (0.072 R)
• M30: 34,240,559 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.6

Radius: 3.1

Gravity: 32.53 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.11 AU - 8.39 AU

Year: 13718 Days

Day: 21.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,656,675 km

• M1: 51,611 km (0.06 R)
• M2: 550,221 km (0.049 R)
• M3: 784,491 km (0.073 R)
• M4: 1,243,158 km (0.088 R)
• M5: 1,719,478 km (0.085 R)
• M6: 3,607,553 km (0.079 R)
• M7: 4,469,536 km (0.108 R)
• M8: 7,367,097 km (0.084 R)
• M9: 8,513,316 km (0.069 R)
• M10: 11,046,008 km (0.083 R)
• M11: 14,163,627 km (0.11 R)
• M12: 16,958,863 km (0.117 R)
• M13: 18,710,505 km (0.102 R)
• M14: 23,874,175 km (0.064 R)
• M15: 35,601,750 km (0.113 R)
• M16: 42,361,180 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.8

Radius: 5.3

Gravity: 24.02 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.65 AU - 10.37 AU

Year: 15784 Days

Day: 24.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,656,675 km

• M1: 159,172 km (0.098 R)
• M2: 448,943 km (0.082 R)
• M3: 622,327 km (0.067 R)
• M4: 1,015,770 km (0.103 R)
• M5: 1,809,835 km (0.033 R)
• M6: 2,907,135 km (0.042 R)
• M7: 9,359,142 km (0.054 R)
• M8: 11,469,968 km (0.096 R)
• M9: 12,027,669 km (0.032 R)
• M10: 12,603,321 km (0.043 R)
• M11: 13,878,494 km (0.059 R)
• M12: 14,583,100 km (0.095 R)
• M13: 21,469,538 km (0.114 R)
• M14: 26,559,307 km (0.105 R)
• M15: 40,436,903 km (0.118 R)
• M16: 47,152,650 km (0.107 R)
• M17: 52,693,157 km (0.103 R)
• M18: 57,390,381 km (0.072 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 14,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit