🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.6

Radius: 12.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.62 AU - 0.9 AU

Year: 435 Days

Day: 11.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,586,813 km

• M1: 156,779 km (0.11 R)
• M2: 730,935 km (0.046 R)
• M3: 1,287,738 km (0.112 R)
• M4: 2,143,139 km (0.094 R)
• M5: 3,014,995 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 11.7

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.18 AU - 1.32 AU

Year: 917 Days

Day: 11.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,586,813 km

• M1: 145,559 km (0.081 R)
• M2: 556,055 km (0.103 R)
• M3: 1,073,814 km (0.086 R)
• M4: 1,598,154 km (0.081 R)
• M5: 2,087,189 km (0.109 R)
• M6: 2,566,052 km (0.107 R)
• M7: 3,090,393 km (0.092 R)
• M8: 3,533,651 km (0.047 R)
• M9: 4,513,517 km (0.097 R)
• M10: 5,086,477 km (0.099 R)
• M11: 5,918,541 km (0.078 R)
• M12: 7,445,785 km (0.119 R)
• M13: 7,904,602 km (0.113 R)
• M14: 9,020,602 km (0.074 R)
• M15: 9,691,100 km (0.101 R)
• M16: 10,146,027 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178

Radius: 9.2

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.77 AU - 1.87 AU

Year: 1611 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,586,813 km

• M1: 114,442 km (0.045 R)
• M2: 549,174 km (0.112 R)
• M3: 896,989 km (0.102 R)
• M4: 1,601,894 km (0.074 R)
• M5: 1,895,106 km (0.054 R)
• M6: 2,592,382 km (0.115 R)
• M7: 3,606,805 km (0.099 R)
• M8: 4,101,375 km (0.109 R)
• M9: 4,972,184 km (0.063 R)
• M10: 5,413,498 km (0.113 R)
• M11: 7,076,278 km (0.117 R)
• M12: 7,445,935 km (0.109 R)
• M13: 8,173,728 km (0.106 R)
• M14: 8,789,473 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 12.8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.99 AU - 3.25 AU

Year: 3615 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,586,813 km

• M1: 159,621 km (0.083 R)
• M2: 591,809 km (0.11 R)
• M3: 1,020,407 km (0.102 R)
• M4: 1,484,759 km (0.094 R)
• M5: 2,205,521 km (0.027 R)
• M6: 3,938,762 km (0.07 R)
• M7: 4,831,263 km (0.095 R)
• M8: 7,147,487 km (0.113 R)
• M9: 7,826,512 km (0.04 R)
• M10: 8,585,571 km (0.104 R)
• M11: 9,079,544 km (0.086 R)
• M12: 11,428,829 km (0.061 R)
• M13: 14,210,451 km (0.097 R)
• M14: 18,646,627 km (0.025 R)
• M15: 21,696,329 km (0.104 R)
• M16: 23,633,621 km (0.104 R)
• M17: 25,064,226 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.3

Radius: 3

Gravity: 45.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.93 AU - 9.13 AU

Year: 13555 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,586,813 km

• M1: 37,848 km (0.104 R)
• M2: 179,218 km (0.11 R)
• M3: 285,134 km (0.051 R)
• M4: 558,000 km (0.107 R)
• M5: 918,681 km (0.098 R)
• M6: 1,646,474 km (0.072 R)
• M7: 6,847,843 km (0.086 R)
• M8: 8,696,274 km (0.074 R)
• M9: 10,374,313 km (0.095 R)
• M10: 16,678,667 km (0.097 R)
• M11: 20,452,422 km (0.089 R)
• M12: 20,783,483 km (0.106 R)
• M13: 26,090,018 km (0.079 R)
• M14: 28,075,481 km (0.044 R)
• M15: 29,628,905 km (0.106 R)
• M16: 32,567,905 km (0.117 R)
• M17: 34,631,608 km (0.096 R)
• M18: 35,101,644 km (0.077 R)
• M19: 36,054,732 km (0.106 R)
• M20: 38,386,963 km (0.076 R)
• M21: 39,910,618 km (0.08 R)
• M22: 41,738,554 km (0.092 R)
• M23: 43,895,157 km (0.12 R)
• M24: 45,842,024 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.6

Radius: 4.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.21 AU - 11.95 AU

Year: 20994 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,586,813 km

• M1: 53,257 km (0.104 R)
• M2: 483,351 km (0.043 R)
• M3: 1,600,847 km (0.055 R)
• M4: 5,193,140 km (0.087 R)
• M5: 6,984,425 km (0.064 R)
• M6: 7,920,160 km (0.114 R)
• M7: 9,192,939 km (0.114 R)
• M8: 9,410,155 km (0.04 R)
• M9: 11,980,396 km (0.094 R)
• M10: 13,149,503 km (0.038 R)
• M11: 13,649,011 km (0.111 R)
• M12: 20,150,384 km (0.119 R)
• M13: 29,191,332 km (0.118 R)
• M14: 29,660,770 km (0.094 R)
• M15: 32,987,677 km (0.103 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 10,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit