🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.7

Radius: 8.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.56 AU - 0.72 AU

Year: 360 Days

Day: 8.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,042,849 km

• M1: 108,758 km (0.087 R)
• M2: 449,392 km (0.105 R)
• M3: 755,469 km (0.09 R)
• M4: 1,165,068 km (0.109 R)
• M5: 1,930,710 km (0.046 R)
• M6: 2,416,155 km (0.081 R)
• M7: 2,756,490 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 14.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.25 AU - 3.53 AU

Year: 3453 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,042,849 km

• M1: 192,532 km (0.104 R)
• M2: 783,594 km (0.073 R)
• M3: 1,864,438 km (0.11 R)
• M4: 2,423,186 km (0.056 R)
• M5: 2,949,771 km (0.082 R)
• M6: 3,923,055 km (0.095 R)
• M7: 5,949,507 km (0.076 R)
• M8: 7,147,936 km (0.113 R)
• M9: 8,932,788 km (0.072 R)
• M10: 12,081,823 km (0.092 R)
• M11: 12,972,230 km (0.042 R)
• M12: 13,545,040 km (0.085 R)
• M13: 14,319,658 km (0.106 R)
• M14: 15,414,415 km (0.042 R)
• M15: 16,360,322 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.8

Radius: 15

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.93 AU - 5.29 AU

Year: 8120 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,042,849 km

• M1: 186,549 km (0.084 R)
• M2: 848,070 km (0.074 R)
• M3: 3,182,246 km (0.118 R)
• M4: 8,168,193 km (0.039 R)
• M5: 8,756,861 km (0.115 R)
• M6: 9,338,647 km (0.111 R)
• M7: 12,516,704 km (0.104 R)
• M8: 14,775,333 km (0.114 R)
• M9: 18,322,598 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.1

Radius: 5.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.43 AU - 7.57 AU

Year: 11649 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,042,849 km

• M1: 69,114 km (0.096 R)
• M2: 251,175 km (0.1 R)
• M3: 561,590 km (0.094 R)
• M4: 900,579 km (0.114 R)
• M5: 1,412,653 km (0.111 R)
• M6: 2,467,916 km (0.117 R)
• M7: 3,476,954 km (0.091 R)
• M8: 4,427,050 km (0.062 R)
• M9: 6,560,615 km (0.06 R)
• M10: 6,859,810 km (0.117 R)
• M11: 8,689,841 km (0.096 R)
• M12: 9,463,262 km (0.025 R)
• M13: 14,359,600 km (0.039 R)
• M14: 17,947,406 km (0.078 R)
• M15: 21,577,099 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.7

Radius: 4.1

Gravity: 23.6 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.46 AU - 8.42 AU

Year: 15727 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 25,042,849 km

• M1: 51,013 km (0.109 R)
• M2: 199,115 km (0.065 R)
• M3: 365,767 km (0.083 R)
• M4: 633,697 km (0.069 R)
• M5: 874,400 km (0.073 R)
• M6: 1,055,563 km (0.072 R)
• M7: 1,185,862 km (0.086 R)
• M8: 1,754,334 km (0.108 R)
• M9: 2,210,309 km (0.091 R)
• M10: 2,569,493 km (0.09 R)
• M11: 3,909,142 km (0.087 R)
• M12: 4,283,286 km (0.097 R)
• M13: 4,649,352 km (0.069 R)
• M14: 5,135,844 km (0.03 R)
• M15: 6,401,742 km (0.11 R)
• M16: 6,758,233 km (0.116 R)
• M17: 7,296,187 km (0.026 R)
• M18: 8,224,741 km (0.105 R)
• M19: 8,934,434 km (0.038 R)
• M20: 9,581,744 km (0.109 R)
• M21: 11,421,797 km (0.105 R)
• M22: 11,594,583 km (0.046 R)
• M23: 14,603,445 km (0.074 R)
• M24: 17,784,195 km (0.05 R)
• M25: 21,397,582 km (0.058 R)
• M26: 21,925,363 km (0.071 R)
• M27: 22,642,535 km (0.119 R)
• M28: 23,747,316 km (0.11 R)
• M29: 24,599,126 km (0.051 R)
• M30: 31,590,732 km (0.114 R)
• M31: 32,620,414 km (0.112 R)
• M32: 32,852,291 km (0.053 R)
• M33: 36,213,905 km (0.12 R)
• M34: 40,595,477 km (0.045 R)
• M35: 40,998,194 km (0.115 R)
• M36: 46,625,767 km (0.116 R)
• M37: 47,511,985 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.5

Radius: 5.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.84 AU - 10.92 AU

Year: 21829 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 61.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,042,849 km

• M1: 66,421 km (0.096 R)
• M2: 307,274 km (0.082 R)
• M3: 484,996 km (0.054 R)
• M4: 1,863,989 km (0.087 R)
• M5: 5,515,075 km (0.096 R)
• M6: 11,204,282 km (0.102 R)
• M7: 11,380,060 km (0.101 R)
• M8: 15,350,836 km (0.089 R)
• M9: 16,684,052 km (0.111 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: 154 - 18,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit