🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 9

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.5 AU - 0.54 AU

Year: 264 Days

Day: 5.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,246,996 km

• M1: 112,198 km (0.027 R)
• M2: 402,717 km (0.101 R)
• M3: 723,904 km (0.101 R)
• M4: 1,128,566 km (0.08 R)
• M5: 1,474,736 km (0.106 R)
• M6: 1,756,129 km (0.103 R)
• M7: 3,245,227 km (0.093 R)
• M8: 4,454,127 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 12.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.47 AU - 0.63 AU

Year: 287 Days

Day: 10.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,246,996 km

• M1: 159,172 km (0.11 R)
• M2: 569,070 km (0.103 R)
• M3: 1,087,876 km (0.074 R)
• M4: 1,725,462 km (0.089 R)
• M5: 2,370,528 km (0.088 R)
• M6: 2,826,502 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689

Radius: 11.4

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.67 AU - 0.73 AU

Year: 412 Days

Day: 9.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,246,996 km

• M1: 143,165 km (0.091 R)
• M2: 507,286 km (0.116 R)
• M3: 873,801 km (0.105 R)
• M4: 1,248,245 km (0.107 R)
• M5: 1,612,515 km (0.065 R)
• M6: 2,073,576 km (0.119 R)
• M7: 2,947,527 km (0.037 R)
• M8: 3,404,399 km (0.066 R)
• M9: 3,857,082 km (0.116 R)
• M10: 4,226,140 km (0.066 R)
• M11: 5,082,288 km (0.102 R)

Asteroid Belt

Center: 3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 13

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.28 AU - 5.32 AU

Year: 8577 Days

Day: 12.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,246,996 km

• M1: 163,211 km (0.102 R)
• M2: 593,156 km (0.12 R)
• M3: 1,169,855 km (0.086 R)
• M4: 1,823,000 km (0.084 R)
• M5: 2,235,291 km (0.035 R)
• M6: 2,834,580 km (0.056 R)
• M7: 3,490,717 km (0.103 R)
• M8: 4,218,510 km (0.085 R)
• M9: 4,798,651 km (0.073 R)
• M10: 6,865,046 km (0.1 R)
• M11: 7,796,293 km (0.093 R)
• M12: 8,314,799 km (0.063 R)
• M13: 13,513,325 km (0.12 R)
• M14: 14,009,990 km (0.086 R)
• M15: 16,608,655 km (0.075 R)
• M16: 19,671,222 km (0.089 R)
• M17: 21,294,060 km (0.09 R)
• M18: 22,916,748 km (0.103 R)
• M19: 27,777,931 km (0.087 R)
• M20: 28,990,123 km (0.07 R)
• M21: 32,616,375 km (0.078 R)
• M22: 33,061,877 km (0.099 R)
• M23: 36,176,804 km (0.073 R)
• M24: 38,112,302 km (0.099 R)
• M25: 38,980,418 km (0.072 R)
• M26: 39,482,319 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.9

Radius: 6.5

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.9 AU - 7.9 AU

Year: 14150 Days

Day: 15.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,246,996 km

• M1: 80,783 km (0.106 R)
• M2: 374,593 km (0.072 R)
• M3: 585,526 km (0.058 R)
• M4: 948,899 km (0.096 R)
• M5: 1,865,934 km (0.108 R)
• M6: 2,237,236 km (0.12 R)
• M7: 2,470,908 km (0.11 R)
• M8: 3,731,719 km (0.06 R)
• M9: 4,381,273 km (0.069 R)
• M10: 4,655,037 km (0.059 R)
• M11: 5,372,658 km (0.056 R)
• M12: 6,903,044 km (0.11 R)
• M13: 8,056,893 km (0.093 R)
• M14: 8,375,835 km (0.086 R)
• M15: 12,282,883 km (0.091 R)
• M16: 14,628,428 km (0.09 R)
• M17: 15,172,216 km (0.113 R)
• M18: 15,588,846 km (0.102 R)
• M19: 16,810,762 km (0.027 R)
• M20: 17,331,961 km (0.098 R)
• M21: 18,095,209 km (0.109 R)
• M22: 36,674,816 km (0.05 R)
• M23: 42,827,477 km (0.033 R)
• M24: 43,103,634 km (0.035 R)
• M25: 49,786,022 km (0.088 R)
• M26: 50,091,201 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.5

Radius: 4.2

Gravity: 49.69 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.67 AU - 7.73 AU

Year: 15019 Days

Day: 17.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,246,996 km

• M1: 52,359 km (0.041 R)
• M2: 589,715 km (0.069 R)
• M3: 788,381 km (0.044 R)
• M4: 1,454,989 km (0.105 R)
• M5: 2,204,025 km (0.119 R)
• M6: 4,097,486 km (0.096 R)
• M7: 5,550,231 km (0.048 R)
• M8: 5,940,980 km (0.046 R)
• M9: 8,730,981 km (0.106 R)
• M10: 9,976,682 km (0.082 R)
• M11: 11,336,377 km (0.102 R)
• M12: 11,836,932 km (0.108 R)
• M13: 12,351,997 km (0.032 R)
• M14: 15,837,627 km (0.085 R)
• M15: 17,185,504 km (0.101 R)
• M16: 18,436,591 km (0.097 R)
• M17: 21,400,424 km (0.099 R)
• M18: 24,563,222 km (0.068 R)
• M19: 25,505,839 km (0.065 R)
• M20: 29,401,068 km (0.114 R)
• M21: 32,414,268 km (0.114 R)
• M22: 35,230,448 km (0.11 R)
• M23: 38,344,627 km (0.098 R)
• M24: 40,040,020 km (0.097 R)
• M25: 41,197,608 km (0.063 R)
• M26: 45,424,795 km (0.082 R)
• M27: 63,844,482 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 15,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit