🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 9.6

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.51 AU - 0.77 AU

Year: 341 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,994,078 km

• M1: 119,379 km (0.096 R)
• M2: 489,783 km (0.108 R)
• M3: 1,028,186 km (0.093 R)
• M4: 1,504,356 km (0.061 R)
• M5: 2,173,507 km (0.036 R)
• M6: 2,538,975 km (0.065 R)
• M7: 2,893,372 km (0.068 R)
• M8: 3,348,898 km (0.114 R)
• M9: 4,069,212 km (0.081 R)
• M10: 4,459,363 km (0.038 R)
• M11: 4,859,687 km (0.107 R)
• M12: 5,268,388 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.6

Radius: 13.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.79 AU - 0.95 AU

Year: 541 Days

Day: 7.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,994,078 km

• M1: 166,652 km (0.082 R)
• M2: 634,594 km (0.046 R)
• M3: 1,115,851 km (0.097 R)
• M4: 1,565,542 km (0.072 R)
• M5: 2,056,372 km (0.106 R)
• M6: 2,760,081 km (0.08 R)
• M7: 3,539,635 km (0.086 R)
• M8: 4,384,115 km (0.112 R)
• M9: 5,064,187 km (0.031 R)
• M10: 6,041,061 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.2

Radius: 14.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.15 AU - 1.53 AU

Year: 1034 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,994,078 km

• M1: 183,557 km (0.067 R)
• M2: 1,124,378 km (0.116 R)
• M3: 1,854,714 km (0.117 R)
• M4: 2,401,046 km (0.034 R)
• M5: 3,177,309 km (0.076 R)
• M6: 3,742,340 km (0.045 R)
• M7: 4,358,833 km (0.111 R)
• M8: 5,393,003 km (0.083 R)
• M9: 6,361,649 km (0.105 R)
• M10: 7,555,889 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.1

Radius: 11.4

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2 AU - 2.54 AU

Year: 2281 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,994,078 km

• M1: 143,016 km (0.049 R)
• M2: 1,092,214 km (0.113 R)
• M3: 1,977,235 km (0.051 R)
• M4: 2,670,920 km (0.112 R)
• M5: 3,254,202 km (0.035 R)
• M6: 4,294,356 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 8.3

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.26 AU - 2.28 AU

Year: 2281 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,994,078 km

• M1: 156,479 km (0.084 R)
• M2: 534,214 km (0.068 R)
• M3: 1,061,546 km (0.08 R)
• M4: 1,358,349 km (0.115 R)
• M5: 1,625,082 km (0.085 R)
• M6: 2,175,003 km (0.12 R)
• M7: 2,558,273 km (0.063 R)
• M8: 3,083,811 km (0.099 R)
• M9: 4,540,146 km (0.104 R)
• M10: 5,627,722 km (0.082 R)
• M11: 6,794,735 km (0.083 R)
• M12: 7,555,889 km (0.112 R)
• M13: 8,179,264 km (0.09 R)
• M14: 9,457,577 km (0.087 R)
• M15: 11,496,148 km (0.052 R)
• M16: 12,027,519 km (0.099 R)
• M17: 13,629,862 km (0.08 R)
• M18: 14,132,511 km (0.086 R)
• M19: 14,458,784 km (0.066 R)
• M20: 15,174,759 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.3

Radius: 11.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.13 AU - 2.75 AU

Year: 2542 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,994,078 km

• M1: 148,102 km (0.11 R)
• M2: 522,097 km (0.103 R)
• M3: 1,177,485 km (0.112 R)
• M4: 2,178,295 km (0.108 R)
• M5: 2,739,137 km (0.119 R)
• M6: 3,410,233 km (0.113 R)
• M7: 4,629,306 km (0.102 R)
• M8: 5,307,433 km (0.097 R)
• M9: 5,982,568 km (0.112 R)
• M10: 6,447,818 km (0.104 R)
• M11: 7,012,699 km (0.095 R)
• M12: 8,878,484 km (0.061 R)
• M13: 11,089,092 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 10.2

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.54 AU - 3.7 AU

Year: 4593 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,994,078 km

• M1: 126,859 km (0.091 R)
• M2: 587,620 km (0.1 R)
• M3: 917,035 km (0.12 R)
• M4: 2,022,414 km (0.111 R)
• M5: 3,171,325 km (0.104 R)
• M6: 3,920,960 km (0.046 R)
• M7: 4,611,953 km (0.103 R)
• M8: 6,695,552 km (0.073 R)
• M9: 8,139,471 km (0.112 R)
• M10: 10,787,203 km (0.091 R)
• M11: 11,586,505 km (0.082 R)
• M12: 12,956,522 km (0.105 R)
• M13: 13,962,268 km (0.107 R)
• M14: 16,937,471 km (0.092 R)
• M15: 18,760,919 km (0.06 R)
• M16: 19,204,627 km (0.1 R)
• M17: 22,367,126 km (0.101 R)
• M18: 25,318,991 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.5

Radius: 11.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.05 AU - 6.73 AU

Year: 8345 Days

Day: 5.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,994,078 km

• M1: 148,401 km (0.112 R)
• M2: 652,845 km (0.119 R)
• M3: 1,016,966 km (0.089 R)
• M4: 2,466,570 km (0.11 R)
• M5: 4,862,679 km (0.119 R)
• M6: 5,414,845 km (0.06 R)
• M7: 6,946,428 km (0.084 R)
• M8: 7,362,010 km (0.03 R)
• M9: 9,823,344 km (0.03 R)
• M10: 10,617,260 km (0.083 R)
• M11: 11,169,875 km (0.092 R)
• M12: 11,693,318 km (0.095 R)
• M13: 13,204,256 km (0.038 R)
• M14: 16,306,318 km (0.075 R)
• M15: 18,780,517 km (0.098 R)
• M16: 20,846,762 km (0.112 R)
• M17: 21,495,120 km (0.102 R)
• M18: 22,984,067 km (0.067 R)
• M19: 25,426,252 km (0.06 R)
• M20: 26,000,858 km (0.052 R)
• M21: 26,416,441 km (0.112 R)
• M22: 27,175,800 km (0.08 R)
• M23: 28,036,586 km (0.088 R)
• M24: 29,541,540 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.6

Radius: 5.1

Gravity: 17.63 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.38 AU - 6.22 AU

Year: 9315 Days

Day: 21.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,994,078 km

• M1: 63,429 km (0.093 R)
• M2: 350,508 km (0.091 R)
• M3: 524,341 km (0.115 R)
• M4: 702,362 km (0.114 R)
• M5: 912,098 km (0.107 R)
• M6: 1,196,334 km (0.113 R)
• M7: 1,485,357 km (0.116 R)
• M8: 2,324,452 km (0.088 R)
• M9: 3,488,174 km (0.057 R)
• M10: 4,424,507 km (0.061 R)
• M11: 4,647,108 km (0.056 R)
• M12: 6,963,781 km (0.093 R)
• M13: 7,854,337 km (0.108 R)
• M14: 9,216,426 km (0.09 R)
• M15: 9,672,400 km (0.052 R)
• M16: 9,906,072 km (0.092 R)
• M17: 10,239,376 km (0.084 R)
• M18: 10,778,227 km (0.08 R)
• M19: 11,029,402 km (0.077 R)
• M20: 14,967,417 km (0.077 R)
• M21: 16,113,486 km (0.115 R)
• M22: 17,730,788 km (0.119 R)
• M23: 18,222,217 km (0.085 R)
• M24: 20,202,744 km (0.078 R)
• M25: 30,753,133 km (0.085 R)
• M26: 36,394,469 km (0.041 R)
• M27: 36,619,913 km (0.054 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 12,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit