🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 8

Gravity: 13.2 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.61 AU - 0.99 AU

Year: 469 Days

Day: 12.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,043,179 km

• M1: 99,483 km (0.114 R)
• M2: 358,436 km (0.111 R)
• M3: 641,775 km (0.083 R)
• M4: 1,074,861 km (0.099 R)
• M5: 1,602,343 km (0.104 R)
• M6: 2,311,287 km (0.064 R)
• M7: 2,599,861 km (0.076 R)
• M8: 3,083,960 km (0.115 R)
• M9: 3,613,836 km (0.116 R)
• M10: 4,018,498 km (0.072 R)
• M11: 4,393,390 km (0.091 R)
• M12: 4,791,321 km (0.094 R)
• M13: 5,398,987 km (0.094 R)
• M14: 6,187,368 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 10.3

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.07 AU - 1.49 AU

Year: 950 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,043,179 km

• M1: 129,103 km (0.091 R)
• M2: 466,895 km (0.112 R)
• M3: 903,571 km (0.091 R)
• M4: 1,543,850 km (0.116 R)
• M5: 2,453,555 km (0.045 R)
• M6: 3,073,488 km (0.105 R)
• M7: 3,872,939 km (0.107 R)
• M8: 6,049,887 km (0.113 R)
• M9: 6,621,950 km (0.119 R)
• M10: 7,181,595 km (0.102 R)
• M11: 7,572,046 km (0.075 R)
• M12: 7,899,665 km (0.106 R)
• M13: 8,502,545 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 14.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.99 AU - 1.61 AU

Year: 972 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,043,179 km

• M1: 184,155 km (0.103 R)
• M2: 732,730 km (0.081 R)
• M3: 1,346,231 km (0.083 R)
• M4: 1,834,369 km (0.077 R)
• M5: 2,402,991 km (0.098 R)
• M6: 2,939,299 km (0.035 R)
• M7: 4,775,014 km (0.075 R)
• M8: 6,707,071 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 9.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.37 AU - 1.91 AU

Year: 1378 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,043,179 km

• M1: 118,182 km (0.1 R)
• M2: 479,012 km (0.084 R)
• M3: 782,546 km (0.115 R)
• M4: 1,186,610 km (0.114 R)
• M5: 1,728,454 km (0.116 R)
• M6: 2,496,788 km (0.101 R)
• M7: 2,798,827 km (0.091 R)
• M8: 3,111,935 km (0.09 R)
• M9: 3,935,022 km (0.1 R)
• M10: 4,624,968 km (0.093 R)
• M11: 5,275,868 km (0.094 R)
• M12: 6,050,336 km (0.081 R)
• M13: 6,465,022 km (0.074 R)
• M14: 7,254,599 km (0.071 R)
• M15: 9,336,254 km (0.098 R)
• M16: 10,252,540 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 12.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.63 AU - 3.73 AU

Year: 3720 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,043,179 km

• M1: 154,235 km (0.117 R)
• M2: 595,400 km (0.038 R)
• M3: 1,184,965 km (0.047 R)
• M4: 1,677,740 km (0.08 R)
• M5: 2,263,266 km (0.058 R)
• M6: 4,019,396 km (0.113 R)
• M7: 4,609,559 km (0.093 R)
• M8: 5,823,396 km (0.054 R)
• M9: 6,795,782 km (0.052 R)
• M10: 7,304,864 km (0.031 R)
• M11: 8,763,443 km (0.093 R)
• M12: 9,798,511 km (0.102 R)
• M13: 11,172,418 km (0.105 R)
• M14: 11,747,472 km (0.076 R)
• M15: 13,493,279 km (0.084 R)
• M16: 15,568,650 km (0.079 R)
• M17: 17,552,169 km (0.089 R)
• M18: 18,452,000 km (0.078 R)
• M19: 21,068,317 km (0.082 R)
• M20: 21,470,885 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.6

Radius: 8.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.67 AU - 6.95 AU

Year: 9187 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,043,179 km

• M1: 108,608 km (0.091 R)
• M2: 517,758 km (0.097 R)
• M3: 876,344 km (0.085 R)
• M4: 1,732,792 km (0.102 R)
• M5: 3,451,522 km (0.09 R)
• M6: 5,065,533 km (0.059 R)
• M7: 7,020,478 km (0.037 R)
• M8: 7,502,632 km (0.064 R)
• M9: 7,810,206 km (0.112 R)
• M10: 9,790,433 km (0.098 R)
• M11: 10,921,093 km (0.112 R)
• M12: 12,084,067 km (0.099 R)
• M13: 15,075,127 km (0.032 R)
• M14: 16,385,904 km (0.118 R)
• M15: 21,999,713 km (0.054 R)
• M16: 24,013,001 km (0.12 R)
• M17: 26,676,442 km (0.106 R)
• M18: 29,435,475 km (0.099 R)
• M19: 30,202,165 km (0.115 R)
• M20: 32,277,985 km (0.119 R)
• M21: 35,298,515 km (0.064 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 11,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit