🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.7

Radius: 13.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.65 AU - 0.73 AU

Year: 389 Days

Day: 11.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,790,947 km

• M1: 170,542 km (0.114 R)
• M2: 652,546 km (0.117 R)
• M3: 1,104,331 km (0.1 R)
• M4: 1,571,077 km (0.118 R)
• M5: 2,600,609 km (0.041 R)
• M6: 3,595,435 km (0.078 R)
• M7: 4,352,999 km (0.105 R)
• M8: 4,815,256 km (0.06 R)
• M9: 5,246,547 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301

Radius: 13.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.91 AU - 0.95 AU

Year: 608 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,790,947 km

• M1: 168,896 km (0.096 R)
• M2: 652,995 km (0.082 R)
• M3: 1,154,148 km (0.097 R)
• M4: 2,813,188 km (0.034 R)
• M5: 3,731,868 km (0.07 R)
• M6: 4,370,801 km (0.101 R)
• M7: 4,812,115 km (0.045 R)
• M8: 5,283,348 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 11.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.17 AU - 1.51 AU

Year: 1052 Days

Day: 11.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,790,947 km

• M1: 143,016 km (0.036 R)
• M2: 518,805 km (0.111 R)
• M3: 958,025 km (0.045 R)
• M4: 1,675,347 km (0.117 R)
• M5: 2,074,922 km (0.081 R)
• M6: 2,595,373 km (0.088 R)
• M7: 3,045,065 km (0.082 R)
• M8: 3,977,807 km (0.108 R)
• M9: 4,647,258 km (0.103 R)
• M10: 5,681,727 km (0.108 R)
• M11: 6,086,240 km (0.113 R)
• M12: 7,393,725 km (0.073 R)
• M13: 8,253,165 km (0.057 R)
• M14: 9,205,355 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.6

Radius: 12.4

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.24 AU - 2.84 AU

Year: 2746 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,790,947 km

• M1: 154,834 km (0.111 R)
• M2: 618,438 km (0.082 R)
• M3: 1,376,600 km (0.116 R)
• M4: 1,844,392 km (0.078 R)
• M5: 3,234,156 km (0.056 R)
• M6: 7,454,611 km (0.088 R)
• M7: 8,704,651 km (0.119 R)
• M8: 9,138,635 km (0.085 R)
• M9: 11,274,144 km (0.039 R)
• M10: 12,594,944 km (0.102 R)
• M11: 16,399,816 km (0.118 R)
• M12: 17,007,483 km (0.091 R)

Asteroid Belt

Center: 5.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.6

Radius: 4.9

Gravity: 16.35 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.13 AU - 7.95 AU

Year: 14043 Days

Day: 18.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,790,947 km

• M1: 65,225 km (0.073 R)
• M2: 243,097 km (0.029 R)
• M3: 430,692 km (0.113 R)
• M4: 584,778 km (0.101 R)
• M5: 937,380 km (0.09 R)
• M6: 1,239,867 km (0.106 R)
• M7: 1,788,592 km (0.073 R)
• M8: 2,648,780 km (0.058 R)
• M9: 3,134,225 km (0.093 R)
• M10: 3,943,400 km (0.1 R)
• M11: 4,137,428 km (0.075 R)
• M12: 5,785,398 km (0.091 R)
• M13: 6,521,570 km (0.11 R)
• M14: 7,194,910 km (0.11 R)
• M15: 10,095,911 km (0.109 R)
• M16: 12,003,434 km (0.118 R)
• M17: 13,256,466 km (0.053 R)
• M18: 16,089,401 km (0.034 R)
• M19: 16,657,573 km (0.074 R)
• M20: 17,609,315 km (0.104 R)
• M21: 19,942,743 km (0.091 R)
• M22: 22,125,076 km (0.072 R)
• M23: 23,183,930 km (0.088 R)
• M24: 26,269,386 km (0.05 R)
• M25: 27,156,202 km (0.05 R)
• M26: 27,657,206 km (0.106 R)
• M27: 28,989,075 km (0.102 R)
• M28: 32,336,178 km (0.115 R)
• M29: 33,583,226 km (0.11 R)
• M30: 35,216,386 km (0.03 R)
• M31: 39,914,357 km (0.086 R)
• M32: 42,011,570 km (0.11 R)
• M33: 43,631,715 km (0.103 R)
• M34: 46,852,707 km (0.078 R)
• M35: 47,284,297 km (0.1 R)
• M36: 48,301,263 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.6

Radius: 6.4

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.09 AU - 9.15 AU

Year: 18680 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,790,947 km

• M1: 80,184 km (0.055 R)
• M2: 537,505 km (0.041 R)
• M3: 1,181,973 km (0.11 R)
• M4: 1,401,882 km (0.049 R)
• M5: 2,356,166 km (0.111 R)
• M6: 6,517,530 km (0.089 R)
• M7: 8,745,043 km (0.11 R)
• M8: 14,061,452 km (0.07 R)
• M9: 22,234,432 km (0.09 R)
• M10: 23,797,730 km (0.065 R)
• M11: 26,815,568 km (0.031 R)
• M12: 27,360,403 km (0.087 R)
• M13: 28,135,620 km (0.095 R)
• M14: 29,153,633 km (0.097 R)
• M15: 30,548,932 km (0.112 R)
• M16: 52,764,665 km (0.112 R)
• M17: 53,448,178 km (0.113 R)
• M18: 56,954,303 km (0.065 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: 495 - 12,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit