🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869

Radius: 14.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.72 AU - 0.92 AU

Year: 479 Days

Day: 5.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,899,691 km

• M1: 181,612 km (0.093 R)
• M2: 696,976 km (0.109 R)
• M3: 1,168,509 km (0.087 R)
• M4: 1,694,794 km (0.063 R)
• M5: 2,305,602 km (0.095 R)
• M6: 3,005,272 km (0.1 R)
• M7: 3,620,418 km (0.101 R)
• M8: 4,147,003 km (0.09 R)
• M9: 5,423,671 km (0.091 R)
• M10: 6,379,452 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 10.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.5 AU - 1.6 AU

Year: 1246 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,899,691 km

• M1: 134,339 km (0.077 R)
• M2: 682,166 km (0.081 R)
• M3: 1,651,411 km (0.099 R)
• M4: 2,227,363 km (0.098 R)
• M5: 3,751,017 km (0.101 R)
• M6: 4,534,311 km (0.088 R)
• M7: 5,031,724 km (0.114 R)
• M8: 5,751,290 km (0.079 R)
• M9: 6,334,871 km (0.092 R)
• M10: 6,745,518 km (0.1 R)
• M11: 7,419,755 km (0.036 R)
• M12: 8,138,423 km (0.106 R)
• M13: 9,072,812 km (0.038 R)
• M14: 10,543,060 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.1

Radius: 13.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.71 AU - 1.91 AU

Year: 1572 Days

Day: 14.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,899,691 km

• M1: 166,951 km (0.092 R)
• M2: 720,314 km (0.057 R)
• M3: 1,186,012 km (0.099 R)
• M4: 1,880,296 km (0.074 R)
• M5: 2,941,842 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.3

Radius: 10.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.53 AU - 3.09 AU

Year: 3041 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,899,691 km

• M1: 125,662 km (0.041 R)
• M2: 469,887 km (0.053 R)
• M3: 789,877 km (0.107 R)
• M4: 1,174,194 km (0.068 R)
• M5: 1,502,112 km (0.104 R)
• M6: 2,051,136 km (0.115 R)
• M7: 2,471,656 km (0.116 R)
• M8: 2,797,031 km (0.094 R)
• M9: 3,362,511 km (0.082 R)
• M10: 3,747,427 km (0.072 R)
• M11: 4,379,926 km (0.043 R)
• M12: 7,192,815 km (0.077 R)
• M13: 8,341,278 km (0.12 R)
• M14: 11,633,478 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 10.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.86 AU - 4.14 AU

Year: 4228 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,899,691 km

• M1: 136,284 km (0.095 R)
• M2: 571,165 km (0.062 R)
• M3: 1,334,862 km (0.109 R)
• M4: 1,746,854 km (0.066 R)
• M5: 2,342,703 km (0.096 R)
• M6: 2,720,736 km (0.12 R)
• M7: 3,719,003 km (0.097 R)
• M8: 5,240,862 km (0.092 R)
• M9: 5,812,476 km (0.095 R)
• M10: 6,687,922 km (0.084 R)
• M11: 7,681,701 km (0.12 R)
• M12: 8,146,352 km (0.051 R)
• M13: 9,729,846 km (0.09 R)
• M14: 10,921,243 km (0.085 R)
• M15: 11,296,883 km (0.063 R)
• M16: 11,681,350 km (0.075 R)
• M17: 13,401,426 km (0.083 R)
• M18: 15,755,199 km (0.115 R)
• M19: 18,196,786 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.1

Radius: 5.2

Gravity: 35.65 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.67 AU - 9.11 AU

Year: 12971 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,899,691 km

• M1: 66,721 km (0.082 R)
• M2: 306,975 km (0.039 R)
• M3: 1,061,995 km (0.089 R)
• M4: 1,435,990 km (0.088 R)
• M5: 2,156,154 km (0.039 R)
• M6: 2,358,410 km (0.042 R)
• M7: 3,706,886 km (0.057 R)
• M8: 6,236,735 km (0.056 R)
• M9: 6,606,990 km (0.064 R)
• M10: 7,211,814 km (0.026 R)
• M11: 7,665,993 km (0.104 R)
• M12: 10,975,846 km (0.025 R)
• M13: 11,576,332 km (0.09 R)
• M14: 12,072,249 km (0.109 R)
• M15: 13,645,121 km (0.111 R)
• M16: 14,409,716 km (0.085 R)
• M17: 14,694,700 km (0.031 R)
• M18: 16,024,026 km (0.09 R)
• M19: 18,665,476 km (0.079 R)
• M20: 20,400,063 km (0.1 R)
• M21: 22,524,503 km (0.074 R)
• M22: 25,614,895 km (0.082 R)
• M23: 28,527,117 km (0.061 R)
• M24: 28,863,712 km (0.118 R)
• M25: 30,120,634 km (0.089 R)
• M26: 30,586,631 km (0.081 R)
• M27: 34,362,332 km (0.087 R)
• M28: 37,222,643 km (0.1 R)
• M29: 39,538,717 km (0.116 R)
• M30: 40,378,560 km (0.087 R)
• M31: 45,363,460 km (0.101 R)
• M32: 52,739,233 km (0.073 R)
• M33: 55,306,782 km (0.096 R)
• M34: 56,709,710 km (0.116 R)
• M35: 59,403,818 km (0.06 R)
• M36: 60,136,399 km (0.101 R)
• M37: 60,874,964 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.4

Radius: 7.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.96 AU - 8.44 AU

Year: 15161 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,899,691 km

• M1: 95,743 km (0.119 R)
• M2: 516,262 km (0.104 R)
• M3: 953,537 km (0.079 R)
• M4: 1,374,356 km (0.102 R)
• M5: 1,997,132 km (0.108 R)
• M6: 2,372,772 km (0.06 R)
• M7: 3,895,379 km (0.027 R)
• M8: 4,877,190 km (0.08 R)
• M9: 7,485,578 km (0.049 R)
• M10: 7,909,389 km (0.107 R)
• M11: 9,471,041 km (0.083 R)
• M12: 13,684,914 km (0.064 R)
• M13: 14,254,583 km (0.086 R)
• M14: 16,621,221 km (0.099 R)
• M15: 17,563,239 km (0.044 R)
• M16: 20,684,898 km (0.101 R)
• M17: 21,016,107 km (0.119 R)
• M18: 22,116,998 km (0.114 R)
• M19: 27,499,978 km (0.096 R)
• M20: 35,673,856 km (0.105 R)
• M21: 44,089,036 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 13,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit