🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.7

Radius: 12.7

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.76 AU - 0.98 AU

Year: 560 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,708,156 km

• M1: 158,723 km (0.063 R)
• M2: 571,613 km (0.115 R)
• M3: 1,032,824 km (0.112 R)
• M4: 1,590,525 km (0.115 R)
• M5: 2,316,972 km (0.092 R)
• M6: 2,823,809 km (0.085 R)
• M7: 3,690,131 km (0.061 R)
• M8: 4,135,184 km (0.099 R)
• M9: 4,647,557 km (0.105 R)
• M10: 5,084,383 km (0.114 R)
• M11: 5,673,499 km (0.09 R)
• M12: 6,173,455 km (0.084 R)
• M13: 6,783,815 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.9

Radius: 9.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.78 AU - 1.04 AU

Year: 599 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,708,156 km

• M1: 121,922 km (0.049 R)
• M2: 479,611 km (0.097 R)
• M3: 794,514 km (0.114 R)
• M4: 1,338,303 km (0.113 R)
• M5: 1,773,034 km (0.072 R)
• M6: 2,336,868 km (0.06 R)
• M7: 2,641,599 km (0.065 R)
• M8: 2,983,730 km (0.056 R)
• M9: 3,308,955 km (0.086 R)
• M10: 3,733,065 km (0.098 R)
• M11: 4,401,917 km (0.057 R)
• M12: 5,180,125 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 12.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.81 AU - 1.31 AU

Year: 753 Days

Day: 6.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,708,156 km

• M1: 150,495 km (0.095 R)
• M2: 598,990 km (0.117 R)
• M3: 1,211,593 km (0.05 R)
• M4: 1,623,137 km (0.052 R)
• M5: 2,372,323 km (0.101 R)
• M6: 2,961,140 km (0.116 R)
• M7: 3,427,287 km (0.098 R)
• M8: 4,154,034 km (0.1 R)
• M9: 4,900,078 km (0.102 R)
• M10: 5,331,219 km (0.061 R)
• M11: 6,900,501 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 10.4

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.15 AU - 1.29 AU

Year: 930 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,708,156 km

• M1: 129,402 km (0.119 R)
• M2: 504,893 km (0.081 R)
• M3: 856,298 km (0.065 R)
• M4: 1,370,616 km (0.117 R)
• M5: 1,695,692 km (0.073 R)
• M6: 2,134,612 km (0.081 R)
• M7: 2,518,630 km (0.09 R)
• M8: 2,846,099 km (0.102 R)
• M9: 3,878,774 km (0.061 R)
• M10: 4,455,025 km (0.087 R)
• M11: 5,615,605 km (0.114 R)
• M12: 6,072,626 km (0.078 R)
• M13: 7,373,081 km (0.119 R)
• M14: 7,819,929 km (0.032 R)
• M15: 8,311,209 km (0.063 R)
• M16: 8,713,627 km (0.11 R)
• M17: 9,327,128 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 10.8

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.39 AU - 1.49 AU

Year: 1193 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,708,156 km

• M1: 134,339 km (0.064 R)
• M2: 539,151 km (0.113 R)
• M3: 893,997 km (0.12 R)
• M4: 1,800,410 km (0.12 R)
• M5: 2,390,125 km (0.103 R)
• M6: 2,771,001 km (0.079 R)
• M7: 3,192,568 km (0.087 R)
• M8: 3,544,422 km (0.099 R)
• M9: 4,025,380 km (0.115 R)
• M10: 5,284,096 km (0.064 R)
• M11: 6,095,814 km (0.089 R)
• M12: 7,427,085 km (0.065 R)
• M13: 7,801,978 km (0.089 R)
• M14: 8,217,561 km (0.07 R)
• M15: 9,901,733 km (0.072 R)
• M16: 10,488,905 km (0.112 R)
• M17: 11,625,699 km (0.054 R)
• M18: 12,058,785 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 14.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.01 AU - 3.33 AU

Year: 3011 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,708,156 km

• M1: 181,612 km (0.109 R)
• M2: 1,009,636 km (0.097 R)
• M3: 1,875,509 km (0.091 R)
• M4: 2,909,679 km (0.085 R)
• M5: 3,489,969 km (0.093 R)
• M6: 4,428,396 km (0.098 R)
• M7: 5,477,825 km (0.098 R)
• M8: 6,256,333 km (0.071 R)
• M9: 7,545,567 km (0.119 R)
• M10: 9,594,310 km (0.112 R)
• M11: 11,991,616 km (0.093 R)
• M12: 13,165,809 km (0.082 R)
• M13: 14,514,584 km (0.1 R)
• M14: 15,953,715 km (0.053 R)
• M15: 17,884,126 km (0.031 R)
• M16: 19,114,569 km (0.106 R)
• M17: 19,720,141 km (0.057 R)
• M18: 20,652,285 km (0.117 R)
• M19: 22,337,655 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 14.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.11 AU - 3.41 AU

Year: 3165 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,708,156 km

• M1: 177,872 km (0.063 R)
• M2: 1,061,995 km (0.119 R)
• M3: 1,565,542 km (0.083 R)
• M4: 2,218,836 km (0.092 R)
• M5: 5,498,470 km (0.097 R)
• M6: 6,037,471 km (0.07 R)
• M7: 7,900,712 km (0.088 R)
• M8: 10,973,153 km (0.065 R)
• M9: 11,951,523 km (0.111 R)
• M10: 13,072,760 km (0.079 R)
• M11: 14,445,320 km (0.108 R)
• M12: 14,908,026 km (0.091 R)
• M13: 15,912,127 km (0.084 R)
• M14: 17,011,671 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.9

Radius: 14

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.01 AU - 4.61 AU

Year: 5133 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,708,156 km

• M1: 176,376 km (0.044 R)
• M2: 743,950 km (0.07 R)
• M3: 1,213,538 km (0.051 R)
• M4: 1,946,717 km (0.087 R)
• M5: 2,672,117 km (0.081 R)
• M6: 3,412,327 km (0.108 R)
• M7: 4,164,206 km (0.08 R)
• M8: 4,978,617 km (0.071 R)
• M9: 6,262,616 km (0.119 R)
• M10: 8,229,528 km (0.117 R)
• M11: 9,372,307 km (0.093 R)
• M12: 10,166,522 km (0.071 R)
• M13: 11,281,475 km (0.099 R)
• M14: 12,820,538 km (0.093 R)
• M15: 15,214,851 km (0.039 R)
• M16: 15,857,225 km (0.114 R)
• M17: 16,414,926 km (0.087 R)
• M18: 18,387,373 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.9

Radius: 5

Gravity: 34.36 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.11 AU - 7.85 AU

Year: 12729 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,708,156 km

• M1: 63,130 km (0.074 R)
• M2: 243,246 km (0.049 R)
• M3: 471,682 km (0.061 R)
• M4: 762,201 km (0.117 R)
• M5: 3,184,191 km (0.089 R)
• M6: 3,828,210 km (0.061 R)
• M7: 4,002,042 km (0.093 R)
• M8: 4,459,662 km (0.044 R)
• M9: 4,783,691 km (0.079 R)
• M10: 6,278,623 km (0.084 R)
• M11: 7,552,299 km (0.071 R)
• M12: 11,412,074 km (0.073 R)
• M13: 11,591,591 km (0.085 R)
• M14: 12,017,795 km (0.03 R)
• M15: 16,034,797 km (0.104 R)
• M16: 16,640,370 km (0.081 R)
• M17: 17,816,658 km (0.076 R)
• M18: 19,898,462 km (0.085 R)
• M19: 21,042,586 km (0.083 R)
• M20: 21,494,072 km (0.045 R)
• M21: 27,965,377 km (0.111 R)
• M22: 30,534,421 km (0.076 R)
• M23: 32,771,807 km (0.115 R)
• M24: 42,960,021 km (0.075 R)
• M25: 48,216,441 km (0.1 R)
• M26: 50,273,112 km (0.117 R)
• M27: 52,387,678 km (0.036 R)
• M28: 53,049,948 km (0.106 R)
• M29: 56,967,168 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 18,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit