🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 12.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.44 AU - 0.7 AU

Year: 297 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,953,815 km

• M1: 159,172 km (0.089 R)
• M2: 737,368 km (0.079 R)
• M3: 1,171,052 km (0.079 R)
• M4: 1,636,750 km (0.084 R)
• M5: 2,148,973 km (0.082 R)
• M6: 2,586,996 km (0.063 R)
• M7: 3,035,341 km (0.091 R)
• M8: 3,502,834 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.5

Radius: 11.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,953,815 km

• M1: 140,472 km (0.093 R)
• M2: 499,806 km (0.069 R)
• M3: 938,727 km (0.029 R)
• M4: 1,495,680 km (0.114 R)
• M5: 1,926,821 km (0.097 R)
• M6: 2,281,517 km (0.059 R)
• M7: 2,916,560 km (0.076 R)
• M8: 3,793,204 km (0.069 R)
• M9: 4,461,009 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 12

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.8 AU - 0.98 AU

Year: 580 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,953,815 km

• M1: 149,299 km (0.078 R)
• M2: 560,094 km (0.08 R)
• M3: 1,187,657 km (0.05 R)
• M4: 2,030,791 km (0.119 R)
• M5: 2,438,744 km (0.101 R)
• M6: 2,846,099 km (0.105 R)
• M7: 3,385,549 km (0.063 R)
• M8: 4,105,414 km (0.064 R)
• M9: 5,071,368 km (0.068 R)
• M10: 5,529,287 km (0.108 R)
• M11: 5,996,481 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 11.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.72 AU - 1.08 AU

Year: 589 Days

Day: 13.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,953,815 km

• M1: 143,016 km (0.034 R)
• M2: 564,433 km (0.114 R)
• M3: 938,427 km (0.097 R)
• M4: 1,370,616 km (0.093 R)
• M5: 1,852,470 km (0.056 R)
• M6: 2,337,467 km (0.067 R)
• M7: 2,728,665 km (0.109 R)
• M8: 3,224,582 km (0.112 R)
• M9: 5,304,441 km (0.116 R)
• M10: 5,710,749 km (0.077 R)
• M11: 6,330,234 km (0.111 R)
• M12: 6,808,498 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.2

Radius: 6.5

Gravity: 21.5 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.64 AU - 6.52 AU

Year: 9098 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,953,815 km

• M1: 81,680 km (0.09 R)
• M2: 424,858 km (0.058 R)
• M3: 928,554 km (0.09 R)
• M4: 1,822,700 km (0.108 R)
• M5: 2,683,935 km (0.119 R)
• M6: 3,077,079 km (0.117 R)
• M7: 3,433,421 km (0.087 R)
• M8: 3,870,097 km (0.113 R)
• M9: 4,916,983 km (0.108 R)
• M10: 5,173,094 km (0.037 R)
• M11: 6,552,088 km (0.083 R)
• M12: 6,823,308 km (0.031 R)
• M13: 8,565,226 km (0.053 R)
• M14: 8,889,704 km (0.079 R)
• M15: 9,514,125 km (0.119 R)
• M16: 10,167,270 km (0.064 R)
• M17: 10,374,164 km (0.114 R)
• M18: 11,788,462 km (0.069 R)
• M19: 16,156,121 km (0.09 R)
• M20: 17,451,190 km (0.056 R)
• M21: 18,659,193 km (0.063 R)
• M22: 22,007,343 km (0.07 R)
• M23: 23,595,923 km (0.119 R)
• M24: 35,469,506 km (0.1 R)
• M25: 36,185,930 km (0.084 R)
• M26: 37,647,950 km (0.075 R)
• M27: 46,256,260 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293

Radius: 6.1

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.99 AU - 12.07 AU

Year: 21926 Days

Day: 20.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,953,815 km

• M1: 77,791 km (0.078 R)
• M2: 320,588 km (0.094 R)
• M3: 615,894 km (0.098 R)
• M4: 826,229 km (0.107 R)
• M5: 1,383,780 km (0.056 R)
• M6: 2,283,611 km (0.08 R)
• M7: 2,845,800 km (0.117 R)
• M8: 3,060,623 km (0.105 R)
• M9: 3,442,845 km (0.09 R)
• M10: 4,090,155 km (0.061 R)
• M11: 5,404,373 km (0.052 R)
• M12: 6,236,436 km (0.106 R)
• M13: 7,685,591 km (0.034 R)
• M14: 10,997,687 km (0.091 R)
• M15: 11,409,530 km (0.071 R)
• M16: 12,452,228 km (0.083 R)
• M17: 13,758,516 km (0.108 R)
• M18: 14,305,745 km (0.112 R)
• M19: 15,225,772 km (0.053 R)
• M20: 15,959,998 km (0.118 R)
• M21: 16,487,780 km (0.104 R)
• M22: 18,059,754 km (0.077 R)
• M23: 19,302,464 km (0.086 R)
• M24: 21,136,534 km (0.097 R)
• M25: 21,407,605 km (0.102 R)
• M26: 28,965,589 km (0.047 R)
• M27: 30,895,999 km (0.036 R)
• M28: 31,597,314 km (0.077 R)
• M29: 39,888,327 km (0.115 R)
• M30: 42,273,665 km (0.066 R)
• M31: 51,778,217 km (0.096 R)
• M32: 52,767,208 km (0.047 R)
• M33: 54,782,740 km (0.109 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: 501 - 14,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit