🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 11.5

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.65 AU - 1.05 AU

Year: 506 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 179.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,046,239 km

• M1: 143,016 km (0.045 R)
• M2: 517,609 km (0.099 R)
• M3: 968,945 km (0.099 R)
• M4: 1,354,459 km (0.102 R)
• M5: 2,038,869 km (0.046 R)
• M6: 2,542,416 km (0.093 R)
• M7: 3,447,034 km (0.073 R)
• M8: 3,897,623 km (0.118 R)
• M9: 4,268,476 km (0.103 R)
• M10: 5,318,055 km (0.093 R)
• M11: 6,492,548 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 11.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.44 AU - 2.62 AU

Year: 2598 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,046,239 km

• M1: 139,575 km (0.117 R)
• M2: 673,789 km (0.12 R)
• M3: 1,126,322 km (0.093 R)
• M4: 1,727,855 km (0.062 R)
• M5: 2,424,682 km (0.099 R)
• M6: 3,283,524 km (0.079 R)
• M7: 4,253,965 km (0.082 R)
• M8: 4,752,276 km (0.077 R)
• M9: 5,335,707 km (0.102 R)
• M10: 5,718,079 km (0.097 R)
• M11: 6,247,805 km (0.051 R)
• M12: 8,036,098 km (0.054 R)
• M13: 9,098,542 km (0.098 R)
• M14: 10,143,334 km (0.11 R)
• M15: 10,583,002 km (0.094 R)
• M16: 10,997,239 km (0.094 R)
• M17: 11,539,980 km (0.069 R)
• M18: 12,932,886 km (0.1 R)
• M19: 13,802,947 km (0.053 R)
• M20: 14,161,682 km (0.096 R)
• M21: 14,618,854 km (0.097 R)
• M22: 16,099,124 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.5

Radius: 12.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.65 AU - 3.09 AU

Year: 3139 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,046,239 km

• M1: 151,692 km (0.081 R)
• M2: 571,613 km (0.087 R)
• M3: 1,003,054 km (0.039 R)
• M4: 1,451,997 km (0.078 R)
• M5: 1,936,694 km (0.087 R)
• M6: 2,441,437 km (0.096 R)
• M7: 2,836,675 km (0.062 R)
• M8: 3,310,451 km (0.118 R)
• M9: 4,141,617 km (0.118 R)
• M10: 5,760,266 km (0.067 R)
• M11: 8,597,240 km (0.072 R)
• M12: 9,339,844 km (0.099 R)
• M13: 12,389,995 km (0.099 R)
• M14: 12,971,183 km (0.094 R)
• M15: 13,948,655 km (0.101 R)
• M16: 14,775,183 km (0.107 R)
• M17: 21,059,491 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.7

Radius: 11.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.85 AU - 4.17 AU

Year: 5185 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,046,239 km

• M1: 143,016 km (0.118 R)
• M2: 656,435 km (0.112 R)
• M3: 1,173,296 km (0.099 R)
• M4: 1,661,733 km (0.058 R)
• M5: 2,825,156 km (0.111 R)
• M6: 3,231,912 km (0.101 R)
• M7: 4,603,276 km (0.076 R)
• M8: 5,293,820 km (0.063 R)
• M9: 6,107,034 km (0.047 R)
• M10: 6,881,502 km (0.037 R)
• M11: 7,850,298 km (0.095 R)
• M12: 8,836,597 km (0.112 R)
• M13: 9,980,422 km (0.106 R)
• M14: 10,409,319 km (0.035 R)
• M15: 11,345,652 km (0.05 R)
• M16: 13,956,285 km (0.118 R)
• M17: 16,240,046 km (0.08 R)
• M18: 17,164,261 km (0.049 R)
• M19: 19,236,940 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 8.4

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.77 AU - 6.13 AU

Year: 8215 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,046,239 km

• M1: 107,710 km (0.073 R)
• M2: 707,000 km (0.117 R)
• M3: 1,524,253 km (0.116 R)
• M4: 2,113,968 km (0.09 R)
• M5: 2,827,998 km (0.106 R)
• M6: 3,553,847 km (0.072 R)
• M7: 4,782,494 km (0.105 R)
• M8: 6,977,394 km (0.069 R)
• M9: 7,273,598 km (0.097 R)
• M10: 10,763,866 km (0.101 R)
• M11: 11,668,484 km (0.115 R)
• M12: 13,457,076 km (0.097 R)
• M13: 14,091,820 km (0.094 R)
• M14: 14,746,461 km (0.081 R)
• M15: 17,911,203 km (0.114 R)
• M16: 19,251,451 km (0.037 R)
• M17: 20,131,535 km (0.086 R)
• M18: 26,968,307 km (0.109 R)
• M19: 28,256,046 km (0.074 R)
• M20: 29,105,313 km (0.089 R)
• M21: 31,452,952 km (0.074 R)
• M22: 34,990,792 km (0.106 R)

Asteroid Belt

Center: 6.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.5

Radius: 8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.28 AU - 8.78 AU

Year: 13342 Days

Day: 22.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,046,239 km

• M1: 172,038 km (0.069 R)
• M2: 1,246,749 km (0.079 R)
• M3: 1,633,010 km (0.084 R)
• M4: 2,497,985 km (0.074 R)
• M5: 3,202,292 km (0.112 R)
• M6: 5,386,271 km (0.105 R)
• M7: 7,917,318 km (0.08 R)
• M8: 10,396,154 km (0.052 R)
• M9: 11,353,431 km (0.109 R)
• M10: 12,587,015 km (0.062 R)
• M11: 16,875,388 km (0.056 R)
• M12: 18,706,915 km (0.025 R)
• M13: 19,641,004 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.7

Radius: 7.5

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.55 AU - 10.53 AU

Year: 16114 Days

Day: 23.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,046,239 km

• M1: 93,349 km (0.075 R)
• M2: 339,886 km (0.089 R)
• M3: 1,290,730 km (0.063 R)
• M4: 1,646,474 km (0.114 R)
• M5: 2,139,998 km (0.094 R)
• M6: 2,493,497 km (0.118 R)
• M7: 3,218,449 km (0.079 R)
• M8: 3,629,992 km (0.077 R)
• M9: 4,342,976 km (0.073 R)
• M10: 5,746,054 km (0.116 R)
• M11: 6,793,688 km (0.111 R)
• M12: 9,111,258 km (0.085 R)
• M13: 11,671,626 km (0.113 R)
• M14: 15,518,386 km (0.113 R)
• M15: 16,541,635 km (0.046 R)
• M16: 18,080,249 km (0.091 R)
• M17: 22,892,364 km (0.048 R)
• M18: 25,491,028 km (0.039 R)
• M19: 29,472,426 km (0.09 R)
• M20: 34,334,058 km (0.06 R)
• M21: 36,445,033 km (0.098 R)
• M22: 44,153,213 km (0.09 R)
• M23: 44,441,937 km (0.092 R)
• M24: 50,324,275 km (0.118 R)
• M25: 51,114,152 km (0.119 R)
• M26: 52,072,775 km (0.09 R)
• M27: 52,880,603 km (0.063 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 11,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit