🌌 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: 196.7

Radius: 13.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 10.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,972,730 km

• M1: 171,888 km (0.063 R)
• M2: 787,483 km (0.117 R)
• M3: 1,339,948 km (0.107 R)
• M4: 1,818,213 km (0.084 R)
• M5: 2,315,326 km (0.101 R)
• M6: 2,818,573 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 12.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.51 AU - 0.79 AU

Year: 349 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,972,730 km

• M1: 150,495 km (0.116 R)
• M2: 616,642 km (0.082 R)
• M3: 1,032,076 km (0.038 R)
• M4: 1,552,527 km (0.055 R)
• M5: 1,966,763 km (0.091 R)
• M6: 2,587,594 km (0.078 R)
• M7: 2,974,754 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.2

Radius: 13.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.43 AU - 3.55 AU

Year: 3448 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,972,730 km

• M1: 169,195 km (0.049 R)
• M2: 615,296 km (0.103 R)
• M3: 1,056,909 km (0.09 R)
• M4: 1,508,246 km (0.052 R)
• M5: 1,982,172 km (0.075 R)
• M6: 2,807,354 km (0.094 R)
• M7: 4,184,552 km (0.113 R)
• M8: 4,887,811 km (0.053 R)
• M9: 5,375,650 km (0.106 R)
• M10: 6,809,845 km (0.091 R)
• M11: 7,330,894 km (0.101 R)
• M12: 8,420,565 km (0.117 R)
• M13: 10,309,986 km (0.069 R)
• M14: 13,029,376 km (0.1 R)
• M15: 14,531,040 km (0.051 R)
• M16: 15,201,986 km (0.042 R)
• M17: 15,693,714 km (0.119 R)
• M18: 16,145,350 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.5

Radius: 14.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.71 AU - 4.29 AU

Year: 5335 Days

Day: 13.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,972,730 km

• M1: 175,628 km (0.095 R)
• M2: 907,610 km (0.093 R)
• M3: 1,390,363 km (0.082 R)
• M4: 2,400,148 km (0.1 R)
• M5: 5,070,769 km (0.062 R)
• M6: 8,497,907 km (0.087 R)
• M7: 12,712,378 km (0.099 R)
• M8: 22,057,159 km (0.059 R)
• M9: 24,168,733 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.1

Radius: 13.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.11 AU - 5.03 AU

Year: 5475 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,972,730 km

• M1: 165,306 km (0.1 R)
• M2: 638,185 km (0.035 R)
• M3: 2,201,931 km (0.082 R)
• M4: 2,696,502 km (0.097 R)
• M5: 3,579,129 km (0.073 R)
• M6: 4,044,079 km (0.117 R)
• M7: 4,478,212 km (0.073 R)
• M8: 5,360,541 km (0.086 R)
• M9: 6,295,527 km (0.054 R)
• M10: 7,846,109 km (0.108 R)
• M11: 9,128,013 km (0.082 R)
• M12: 9,558,556 km (0.088 R)
• M13: 12,057,738 km (0.118 R)
• M14: 12,529,121 km (0.088 R)
• M15: 15,127,187 km (0.118 R)
• M16: 16,294,798 km (0.073 R)
• M17: 16,813,305 km (0.095 R)
• M18: 17,701,766 km (0.051 R)
• M19: 18,621,494 km (0.106 R)
• M20: 19,637,264 km (0.039 R)
• M21: 21,434,682 km (0.052 R)
• M22: 22,408,714 km (0.112 R)
• M23: 23,266,957 km (0.091 R)
• M24: 24,595,236 km (0.052 R)
• M25: 25,049,116 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 13.3

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.35 AU - 4.89 AU

Year: 5577 Days

Day: 6.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,972,730 km

• M1: 165,455 km (0.076 R)
• M2: 594,203 km (0.084 R)
• M3: 1,404,574 km (0.072 R)
• M4: 1,883,288 km (0.118 R)
• M5: 2,341,655 km (0.08 R)
• M6: 2,783,568 km (0.099 R)
• M7: 3,446,735 km (0.099 R)
• M8: 5,118,491 km (0.118 R)
• M9: 5,751,290 km (0.04 R)
• M10: 6,371,373 km (0.051 R)
• M11: 6,798,176 km (0.095 R)
• M12: 7,564,117 km (0.051 R)
• M13: 8,425,502 km (0.061 R)
• M14: 10,344,244 km (0.086 R)
• M15: 11,263,373 km (0.083 R)
• M16: 11,694,514 km (0.073 R)
• M17: 13,908,712 km (0.093 R)
• M18: 14,349,727 km (0.094 R)
• M19: 17,384,021 km (0.045 R)
• M20: 19,768,162 km (0.12 R)
• M21: 22,437,736 km (0.099 R)
• M22: 22,968,659 km (0.116 R)
• M23: 23,430,318 km (0.109 R)
• M24: 25,421,166 km (0.046 R)
• M25: 29,555,752 km (0.1 R)
• M26: 30,377,942 km (0.085 R)
• M27: 31,497,981 km (0.108 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: 353 - 18,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit