🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.44 AU - 0.7 AU

Year: 274 Days

Day: 39.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 13

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.74 AU - 1.08 AU

Year: 552 Days

Day: 10.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,648,244 km

• M1: 161,715 km (0.115 R)
• M2: 570,117 km (0.082 R)
• M3: 1,273,227 km (0.091 R)
• M4: 1,980,077 km (0.086 R)
• M5: 2,470,908 km (0.063 R)
• M6: 2,955,904 km (0.09 R)
• M7: 3,558,634 km (0.067 R)
• M8: 4,230,029 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 13.9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.64 AU - 2.24 AU

Year: 1718 Days

Day: 6.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,648,244 km

• M1: 352,303 km (0.073 R)
• M2: 866,471 km (0.063 R)
• M3: 1,504,356 km (0.087 R)
• M4: 2,006,855 km (0.058 R)
• M5: 2,473,601 km (0.041 R)
• M6: 3,232,062 km (0.078 R)
• M7: 3,808,463 km (0.101 R)
• M8: 4,334,299 km (0.091 R)
• M9: 4,951,390 km (0.072 R)
• M10: 6,260,970 km (0.1 R)
• M11: 6,807,750 km (0.072 R)
• M12: 7,702,495 km (0.056 R)
• M13: 8,517,205 km (0.078 R)
• M14: 11,925,793 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 13.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.62 AU - 2.5 AU

Year: 1880 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,648,244 km

• M1: 169,046 km (0.083 R)
• M2: 696,976 km (0.062 R)
• M3: 1,237,324 km (0.094 R)
• M4: 2,166,776 km (0.063 R)
• M5: 3,102,361 km (0.12 R)
• M6: 3,568,059 km (0.091 R)
• M7: 4,346,117 km (0.06 R)
• M8: 5,255,074 km (0.112 R)
• M9: 6,102,546 km (0.088 R)
• M10: 7,959,654 km (0.08 R)
• M11: 8,899,428 km (0.096 R)
• M12: 9,504,102 km (0.1 R)
• M13: 10,039,513 km (0.118 R)
• M14: 10,863,648 km (0.107 R)
• M15: 11,484,479 km (0.11 R)
• M16: 11,983,687 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 8.5

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.22 AU - 2.42 AU

Year: 2247 Days

Day: 7 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,648,244 km

• M1: 106,065 km (0.069 R)
• M2: 391,348 km (0.037 R)
• M3: 692,937 km (0.1 R)
• M4: 1,146,817 km (0.111 R)
• M5: 1,538,465 km (0.057 R)
• M6: 2,119,652 km (0.076 R)
• M7: 2,730,161 km (0.091 R)
• M8: 3,035,191 km (0.102 R)
• M9: 3,362,960 km (0.056 R)
• M10: 3,849,901 km (0.101 R)
• M11: 4,578,742 km (0.058 R)
• M12: 4,894,842 km (0.058 R)
• M13: 5,647,170 km (0.032 R)
• M14: 6,729,211 km (0.111 R)
• M15: 8,072,600 km (0.095 R)
• M16: 8,468,137 km (0.114 R)
• M17: 9,992,689 km (0.043 R)
• M18: 10,839,712 km (0.066 R)
• M19: 12,028,267 km (0.037 R)
• M20: 12,808,420 km (0.06 R)
• M21: 14,857,163 km (0.031 R)
• M22: 15,552,344 km (0.072 R)
• M23: 16,010,712 km (0.106 R)
• M24: 17,331,063 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.2

Radius: 11.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.24 AU - 3.26 AU

Year: 2900 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 93,648,244 km

• M1: 150,645 km (0.115 R)
• M2: 539,749 km (0.07 R)
• M3: 936,931 km (0.117 R)
• M4: 2,790,599 km (0.077 R)
• M5: 4,043,331 km (0.108 R)
• M6: 5,142,576 km (0.098 R)
• M7: 6,377,656 km (0.07 R)
• M8: 7,560,078 km (0.077 R)
• M9: 8,555,053 km (0.107 R)
• M10: 10,956,548 km (0.051 R)
• M11: 11,661,004 km (0.111 R)
• M12: 12,229,476 km (0.115 R)
• M13: 17,516,714 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.2

Radius: 4.3

Gravity: 51.77 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.97 AU - 12.97 AU

Year: 23102 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,648,244 km

• M1: 54,005 km (0.084 R)
• M2: 199,564 km (0.088 R)
• M3: 415,732 km (0.059 R)
• M4: 836,402 km (0.029 R)
• M5: 1,587,233 km (0.081 R)
• M6: 2,530,298 km (0.116 R)
• M7: 3,178,207 km (0.04 R)
• M8: 4,170,489 km (0.12 R)
• M9: 5,270,782 km (0.119 R)
• M10: 5,821,751 km (0.091 R)
• M11: 6,504,067 km (0.118 R)
• M12: 11,893,779 km (0.11 R)
• M13: 13,137,835 km (0.084 R)
• M14: 15,967,478 km (0.049 R)
• M15: 21,402,369 km (0.113 R)
• M16: 30,666,666 km (0.09 R)
• M17: 37,673,681 km (0.118 R)
• M18: 41,139,265 km (0.118 R)
• M19: 41,301,728 km (0.035 R)
• M20: 44,811,593 km (0.096 R)
• M21: 45,155,818 km (0.079 R)
• M22: 61,050,592 km (0.113 R)
• M23: 63,185,653 km (0.065 R)
• M24: 64,709,457 km (0.081 R)
• M25: 72,460,272 km (0.12 R)
• M26: 82,860,166 km (0.102 R)
• M27: 83,378,822 km (0.045 R)
• M28: 85,739,327 km (0.038 R)
• M29: 91,696,464 km (0.064 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: 450 - 17,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit