🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.7

Radius: 11.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.49 AU - 0.53 AU

Year: 256 Days

Day: 13.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,648,778 km

• M1: 138,079 km (0.095 R)
• M2: 485,595 km (0.069 R)
• M3: 1,369,718 km (0.117 R)
• M4: 2,012,540 km (0.087 R)
• M5: 2,667,330 km (0.118 R)
• M6: 3,271,705 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 10

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.61 AU - 0.71 AU

Year: 377 Days

Day: 9.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,648,778 km

• M1: 124,914 km (0.097 R)
• M2: 453,132 km (0.098 R)
• M3: 956,230 km (0.095 R)
• M4: 1,358,947 km (0.063 R)
• M5: 1,672,355 km (0.095 R)
• M6: 2,051,436 km (0.119 R)
• M7: 2,847,296 km (0.087 R)
• M8: 3,173,270 km (0.103 R)
• M9: 3,634,630 km (0.09 R)
• M10: 4,531,768 km (0.028 R)
• M11: 5,438,481 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.7

Radius: 11.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.9 AU - 1.08 AU

Year: 692 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,648,778 km

• M1: 144,811 km (0.097 R)
• M2: 619,634 km (0.066 R)
• M3: 1,344,586 km (0.107 R)
• M4: 1,792,332 km (0.117 R)
• M5: 2,595,373 km (0.086 R)
• M6: 3,806,518 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.7

Radius: 13.8

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.37 AU - 1.79 AU

Year: 1396 Days

Day: 12.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,648,778 km

• M1: 171,589 km (0.116 R)
• M2: 622,926 km (0.074 R)
• M3: 1,292,376 km (0.067 R)
• M4: 2,115,164 km (0.069 R)
• M5: 2,814,534 km (0.098 R)
• M6: 3,453,018 km (0.106 R)
• M7: 5,063,738 km (0.072 R)
• M8: 5,669,161 km (0.056 R)
• M9: 6,107,333 km (0.082 R)
• M10: 7,156,912 km (0.08 R)
• M11: 8,352,797 km (0.118 R)
• M12: 9,294,815 km (0.1 R)
• M13: 10,891,623 km (0.029 R)
• M14: 11,571,844 km (0.061 R)
• M15: 12,938,421 km (0.078 R)
• M16: 13,417,134 km (0.092 R)

Asteroid Belt

Center: 2.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 13

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.32 AU - 2.58 AU

Year: 2696 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,648,778 km

• M1: 161,715 km (0.071 R)
• M2: 638,185 km (0.117 R)
• M3: 1,116,150 km (0.106 R)
• M4: 1,684,921 km (0.075 R)
• M5: 3,436,712 km (0.106 R)
• M6: 6,564,205 km (0.067 R)
• M7: 7,824,268 km (0.036 R)
• M8: 8,497,458 km (0.095 R)
• M9: 9,864,035 km (0.081 R)
• M10: 10,583,152 km (0.111 R)
• M11: 11,691,522 km (0.078 R)
• M12: 12,875,739 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 10.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.58 AU - 3.7 AU

Year: 4882 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,648,778 km

• M1: 133,591 km (0.116 R)
• M2: 464,801 km (0.072 R)
• M3: 1,981,573 km (0.038 R)
• M4: 2,477,790 km (0.065 R)
• M5: 2,837,124 km (0.099 R)
• M6: 5,290,080 km (0.12 R)
• M7: 5,917,942 km (0.059 R)
• M8: 8,653,339 km (0.074 R)
• M9: 10,455,395 km (0.068 R)
• M10: 13,230,286 km (0.101 R)
• M11: 15,194,656 km (0.12 R)
• M12: 17,857,049 km (0.104 R)
• M13: 19,939,302 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.7

Radius: 6.6

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.59 AU - 9.39 AU

Year: 15876 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,648,778 km

• M1: 82,877 km (0.109 R)
• M2: 420,071 km (0.029 R)
• M3: 871,856 km (0.09 R)
• M4: 1,086,230 km (0.05 R)
• M5: 1,395,599 km (0.079 R)
• M6: 1,651,710 km (0.032 R)
• M7: 2,047,396 km (0.09 R)
• M8: 2,432,611 km (0.115 R)
• M9: 3,110,738 km (0.113 R)
• M10: 3,738,600 km (0.096 R)
• M11: 4,236,612 km (0.116 R)
• M12: 5,303,544 km (0.1 R)
• M13: 5,802,453 km (0.099 R)
• M14: 8,948,945 km (0.067 R)
• M15: 9,746,451 km (0.117 R)
• M16: 10,256,580 km (0.101 R)
• M17: 10,542,312 km (0.119 R)
• M18: 16,572,901 km (0.094 R)
• M19: 16,834,697 km (0.098 R)
• M20: 17,299,498 km (0.095 R)
• M21: 19,679,151 km (0.092 R)
• M22: 23,479,984 km (0.111 R)
• M23: 24,649,690 km (0.037 R)
• M24: 29,239,502 km (0.084 R)
• M25: 32,699,402 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 17,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit