🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 14.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.77 AU - 0.83 AU

Year: 469 Days

Day: 11.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,722,324 km

• M1: 179,069 km (0.033 R)
• M2: 782,995 km (0.105 R)
• M3: 1,935,048 km (0.118 R)
• M4: 2,548,400 km (0.086 R)
• M5: 3,089,046 km (0.109 R)
• M6: 3,825,966 km (0.105 R)
• M7: 4,405,358 km (0.06 R)
• M8: 5,358,895 km (0.03 R)
• M9: 5,849,127 km (0.093 R)
• M10: 6,523,664 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 8.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.82 AU - 1.3 AU

Year: 716 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,722,324 km

• M1: 109,506 km (0.03 R)
• M2: 441,912 km (0.073 R)
• M3: 1,073,963 km (0.062 R)
• M4: 1,358,797 km (0.114 R)
• M5: 1,741,319 km (0.037 R)
• M6: 2,167,374 km (0.12 R)
• M7: 2,495,891 km (0.093 R)
• M8: 2,802,118 km (0.047 R)
• M9: 3,389,888 km (0.064 R)
• M10: 4,333,252 km (0.117 R)
• M11: 5,372,957 km (0.118 R)
• M12: 6,203,525 km (0.075 R)
• M13: 6,709,465 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 14.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.53 AU - 2.35 AU

Year: 1773 Days

Day: 13.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,722,324 km

• M1: 176,675 km (0.115 R)
• M2: 917,933 km (0.099 R)
• M3: 1,415,645 km (0.097 R)
• M4: 1,925,923 km (0.047 R)
• M5: 2,832,336 km (0.067 R)
• M6: 5,983,017 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.6

Radius: 3.8

Gravity: 22.89 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.62 AU - 7.12 AU

Year: 10547 Days

Day: 22.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,722,324 km

• M1: 47,871 km (0.062 R)
• M2: 178,620 km (0.09 R)
• M3: 301,739 km (0.037 R)
• M4: 439,369 km (0.115 R)
• M5: 892,351 km (0.114 R)
• M6: 1,346,231 km (0.109 R)
• M7: 1,590,076 km (0.031 R)
• M8: 1,970,653 km (0.106 R)
• M9: 2,148,824 km (0.091 R)
• M10: 2,481,829 km (0.09 R)
• M11: 2,889,034 km (0.097 R)
• M12: 3,119,265 km (0.113 R)
• M13: 4,998,962 km (0.096 R)
• M14: 5,118,042 km (0.113 R)
• M15: 6,450,511 km (0.077 R)
• M16: 6,735,046 km (0.067 R)
• M17: 6,953,907 km (0.115 R)
• M18: 9,546,588 km (0.117 R)
• M19: 11,081,761 km (0.094 R)
• M20: 12,996,913 km (0.076 R)
• M21: 17,127,610 km (0.094 R)
• M22: 20,043,721 km (0.076 R)
• M23: 25,492,973 km (0.097 R)
• M24: 25,846,473 km (0.095 R)
• M25: 26,744,210 km (0.097 R)
• M26: 27,755,641 km (0.113 R)
• M27: 29,659,274 km (0.087 R)
• M28: 30,643,029 km (0.109 R)
• M29: 32,468,123 km (0.089 R)
• M30: 32,779,287 km (0.056 R)
• M31: 33,830,511 km (0.094 R)
• M32: 34,795,717 km (0.047 R)
• M33: 36,780,880 km (0.053 R)
• M34: 37,118,822 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.7

Radius: 5.1

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.46 AU - 8.82 AU

Year: 15235 Days

Day: 24.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,722,324 km

• M1: 63,429 km (0.058 R)
• M2: 227,688 km (0.087 R)
• M3: 737,817 km (0.042 R)
• M4: 1,187,508 km (0.116 R)
• M5: 1,431,203 km (0.101 R)
• M6: 1,631,814 km (0.107 R)
• M7: 1,867,430 km (0.115 R)
• M8: 2,107,684 km (0.09 R)
• M9: 2,629,482 km (0.098 R)
• M10: 3,529,463 km (0.047 R)
• M11: 4,994,325 km (0.103 R)
• M12: 5,986,907 km (0.039 R)
• M13: 8,129,298 km (0.07 R)
• M14: 8,584,075 km (0.059 R)
• M15: 17,439,372 km (0.108 R)
• M16: 18,736,385 km (0.071 R)
• M17: 19,851,637 km (0.081 R)
• M18: 20,014,550 km (0.112 R)
• M19: 24,382,209 km (0.067 R)
• M20: 26,391,757 km (0.037 R)
• M21: 29,344,819 km (0.106 R)
• M22: 34,351,261 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 15,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit