🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.1

Radius: 8.7

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.48 AU - 0.58 AU

Year: 271 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,699,242 km

• M1: 108,159 km (0.116 R)
• M2: 415,284 km (0.115 R)
• M3: 795,262 km (0.111 R)
• M4: 1,123,181 km (0.105 R)
• M5: 1,494,632 km (0.077 R)
• M6: 1,975,290 km (0.069 R)
• M7: 2,326,845 km (0.074 R)
• M8: 2,667,480 km (0.092 R)
• M9: 3,640,315 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.7

Radius: 13.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.62 AU - 0.98 AU

Year: 503 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 173.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,699,242 km

• M1: 172,935 km (0.09 R)
• M2: 873,801 km (0.102 R)
• M3: 1,339,799 km (0.096 R)
• M4: 1,773,632 km (0.119 R)
• M5: 2,749,010 km (0.118 R)
• M6: 4,305,876 km (0.075 R)
• M7: 4,804,784 km (0.119 R)
• M8: 5,441,323 km (0.109 R)
• M9: 5,955,342 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 13.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.91 AU - 1.99 AU

Year: 1914 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,699,242 km

• M1: 171,738 km (0.084 R)
• M2: 1,073,365 km (0.079 R)
• M3: 2,005,808 km (0.104 R)
• M4: 2,543,313 km (0.027 R)
• M5: 3,394,824 km (0.087 R)
• M6: 4,371,848 km (0.042 R)
• M7: 4,906,212 km (0.115 R)
• M8: 5,964,617 km (0.042 R)
• M9: 7,143,298 km (0.085 R)
• M10: 8,774,962 km (0.095 R)
• M11: 10,889,678 km (0.09 R)
• M12: 11,839,175 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.9

Radius: 10

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.08 AU - 2.24 AU

Year: 2231 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,699,242 km

• M1: 124,465 km (0.107 R)
• M2: 536,009 km (0.11 R)
• M3: 870,809 km (0.091 R)
• M4: 1,278,463 km (0.084 R)
• M5: 1,723,367 km (0.103 R)
• M6: 2,190,861 km (0.079 R)
• M7: 2,726,272 km (0.078 R)
• M8: 3,108,045 km (0.104 R)
• M9: 4,263,091 km (0.094 R)
• M10: 5,887,125 km (0.043 R)
• M11: 6,584,401 km (0.075 R)
• M12: 7,486,625 km (0.115 R)
• M13: 7,920,160 km (0.059 R)
• M14: 8,568,517 km (0.037 R)
• M15: 8,905,860 km (0.108 R)
• M16: 9,287,185 km (0.106 R)
• M17: 10,119,548 km (0.09 R)
• M18: 12,142,261 km (0.028 R)
• M19: 13,270,977 km (0.069 R)
• M20: 13,768,988 km (0.084 R)
• M21: 17,023,340 km (0.03 R)
• M22: 18,885,235 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.8

Radius: 8.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.25 AU - 5.23 AU

Year: 6137 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,699,242 km

• M1: 119,529 km (0.102 R)
• M2: 442,959 km (0.048 R)
• M3: 742,454 km (0.115 R)
• M4: 1,654,552 km (0.069 R)
• M5: 2,633,222 km (0.074 R)
• M6: 2,994,949 km (0.116 R)
• M7: 4,432,585 km (0.096 R)
• M8: 4,877,339 km (0.116 R)
• M9: 5,182,070 km (0.061 R)
• M10: 5,650,611 km (0.039 R)
• M11: 6,475,344 km (0.116 R)
• M12: 7,167,234 km (0.04 R)
• M13: 7,749,319 km (0.106 R)
• M14: 9,685,415 km (0.104 R)
• M15: 10,093,069 km (0.096 R)
• M16: 13,320,942 km (0.108 R)
• M17: 13,594,706 km (0.102 R)
• M18: 14,775,632 km (0.062 R)
• M19: 18,614,463 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58

Radius: 10

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.87 AU - 5.41 AU

Year: 8191 Days

Day: 11 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,699,242 km

• M1: 182,509 km (0.057 R)
• M2: 566,078 km (0.107 R)
• M3: 1,105,079 km (0.117 R)
• M4: 2,173,807 km (0.048 R)
• M5: 3,513,904 km (0.113 R)
• M6: 7,907,594 km (0.085 R)
• M7: 16,880,175 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.6

Radius: 3.1

Gravity: 74.67 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.16 AU - 8.24 AU

Year: 13580 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,699,242 km

• M1: 46,076 km (0.113 R)
• M2: 152,291 km (0.046 R)
• M3: 278,402 km (0.041 R)
• M4: 460,761 km (0.089 R)
• M5: 822,788 km (0.081 R)
• M6: 948,600 km (0.097 R)
• M7: 2,182,633 km (0.104 R)
• M8: 2,509,803 km (0.102 R)
• M9: 2,618,561 km (0.06 R)
• M10: 2,775,938 km (0.111 R)
• M11: 3,443,145 km (0.081 R)
• M12: 4,364,667 km (0.095 R)
• M13: 5,295,914 km (0.106 R)
• M14: 5,998,426 km (0.087 R)
• M15: 6,844,851 km (0.091 R)
• M16: 12,353,942 km (0.12 R)
• M17: 13,580,345 km (0.062 R)
• M18: 14,188,610 km (0.063 R)
• M19: 14,464,768 km (0.091 R)
• M20: 21,846,076 km (0.038 R)
• M21: 29,341,977 km (0.099 R)
• M22: 32,933,522 km (0.104 R)
• M23: 34,523,000 km (0.068 R)
• M24: 37,853,796 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 12,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit