🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 11.1

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,282,413 km

• M1: 138,079 km (0.118 R)
• M2: 486,791 km (0.095 R)
• M3: 852,558 km (0.102 R)
• M4: 1,257,669 km (0.067 R)
• M5: 2,409,124 km (0.1 R)
• M6: 3,037,585 km (0.092 R)
• M7: 3,916,921 km (0.106 R)
• M8: 4,301,986 km (0.079 R)
• M9: 5,068,675 km (0.059 R)
• M10: 5,493,383 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 8.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.66 AU - 1 AU

Year: 504 Days

Day: 12.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,282,413 km

• M1: 102,026 km (0.117 R)
• M2: 383,419 km (0.093 R)
• M3: 1,246,449 km (0.092 R)
• M4: 1,731,595 km (0.114 R)
• M5: 2,559,620 km (0.083 R)
• M6: 3,324,214 km (0.088 R)
• M7: 3,606,655 km (0.111 R)
• M8: 4,170,938 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 10.7

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.77 AU - 0.95 AU

Year: 532 Days

Day: 9.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,282,413 km

• M1: 133,142 km (0.089 R)
• M2: 489,484 km (0.118 R)
• M3: 910,602 km (0.116 R)
• M4: 1,345,633 km (0.093 R)
• M5: 1,745,508 km (0.083 R)
• M6: 2,094,669 km (0.112 R)
• M7: 2,563,808 km (0.102 R)
• M8: 3,102,211 km (0.037 R)
• M9: 3,463,041 km (0.106 R)
• M10: 4,079,085 km (0.063 R)
• M11: 6,063,950 km (0.115 R)
• M12: 6,451,857 km (0.068 R)
• M13: 6,835,725 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.6

Radius: 12.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.91 AU - 1.21 AU

Year: 728 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,282,413 km

• M1: 157,975 km (0.048 R)
• M2: 626,067 km (0.11 R)
• M3: 1,260,661 km (0.062 R)
• M4: 1,759,121 km (0.086 R)
• M5: 2,324,901 km (0.097 R)
• M6: 2,775,788 km (0.095 R)
• M7: 3,312,396 km (0.092 R)
• M8: 4,041,087 km (0.111 R)
• M9: 4,630,054 km (0.094 R)
• M10: 5,659,886 km (0.095 R)
• M11: 6,725,322 km (0.071 R)
• M12: 7,247,718 km (0.11 R)
• M13: 8,019,643 km (0.093 R)
• M14: 9,006,689 km (0.095 R)
• M15: 9,418,084 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.5

Radius: 12.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.15 AU - 1.17 AU

Year: 833 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,282,413 km

• M1: 159,322 km (0.088 R)
• M2: 579,393 km (0.092 R)
• M3: 1,001,707 km (0.114 R)
• M4: 1,480,720 km (0.105 R)
• M5: 2,688,872 km (0.114 R)
• M6: 3,955,368 km (0.077 R)
• M7: 4,659,076 km (0.119 R)
• M8: 5,184,613 km (0.101 R)
• M9: 6,277,725 km (0.111 R)
• M10: 6,920,547 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.6

Radius: 3.8

Gravity: 52.05 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.86 AU - 8.68 AU

Year: 13072 Days

Day: 20.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,282,413 km

• M1: 48,919 km (0.117 R)
• M2: 298,298 km (0.097 R)
• M3: 617,989 km (0.103 R)
• M4: 833,410 km (0.091 R)
• M5: 1,097,300 km (0.093 R)
• M6: 1,823,748 km (0.057 R)
• M7: 2,000,572 km (0.036 R)
• M8: 2,348,088 km (0.09 R)
• M9: 4,207,590 km (0.092 R)
• M10: 4,485,543 km (0.071 R)
• M11: 7,297,384 km (0.119 R)
• M12: 9,141,477 km (0.103 R)
• M13: 10,698,941 km (0.078 R)
• M14: 11,870,591 km (0.119 R)
• M15: 12,676,475 km (0.052 R)
• M16: 13,784,397 km (0.111 R)
• M17: 14,955,449 km (0.087 R)
• M18: 15,312,090 km (0.112 R)
• M19: 15,674,267 km (0.113 R)
• M20: 17,571,915 km (0.052 R)
• M21: 18,210,100 km (0.094 R)
• M22: 20,217,105 km (0.045 R)
• M23: 25,262,144 km (0.053 R)
• M24: 28,289,107 km (0.116 R)
• M25: 32,490,414 km (0.052 R)
• M26: 35,050,632 km (0.093 R)
• M27: 38,137,434 km (0.062 R)
• M28: 52,134,110 km (0.057 R)
• M29: 53,283,022 km (0.07 R)
• M30: 53,448,477 km (0.097 R)
• M31: 59,104,324 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.9

Radius: 4.1

Gravity: 39.14 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.93 AU - 9.83 AU

Year: 14751 Days

Day: 21.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,282,413 km

• M1: 51,013 km (0.09 R)
• M2: 204,949 km (0.104 R)
• M3: 563,236 km (0.09 R)
• M4: 694,134 km (0.082 R)
• M5: 908,059 km (0.073 R)
• M6: 1,216,530 km (0.117 R)
• M7: 1,591,123 km (0.071 R)
• M8: 1,805,497 km (0.078 R)
• M9: 2,192,058 km (0.116 R)
• M10: 2,373,669 km (0.119 R)
• M11: 2,790,449 km (0.093 R)
• M12: 3,384,353 km (0.102 R)
• M13: 3,882,214 km (0.057 R)
• M14: 6,408,174 km (0.097 R)
• M15: 6,738,337 km (0.119 R)
• M16: 7,890,091 km (0.1 R)
• M17: 12,755,014 km (0.119 R)
• M18: 14,363,490 km (0.06 R)
• M19: 15,361,757 km (0.113 R)
• M20: 15,952,369 km (0.082 R)
• M21: 16,789,219 km (0.101 R)
• M22: 17,654,793 km (0.033 R)
• M23: 18,057,959 km (0.088 R)
• M24: 21,143,565 km (0.075 R)
• M25: 22,432,650 km (0.074 R)
• M26: 23,384,990 km (0.092 R)
• M27: 27,249,701 km (0.09 R)
• M28: 30,585,733 km (0.073 R)
• M29: 32,712,566 km (0.096 R)
• M30: 38,861,936 km (0.095 R)
• M31: 39,133,606 km (0.08 R)
• M32: 41,353,190 km (0.064 R)
• M33: 43,071,920 km (0.052 R)
• M34: 47,420,879 km (0.097 R)
• M35: 51,234,129 km (0.038 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 17,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit