🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.9

Radius: 14.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.49 AU - 0.61 AU

Year: 277 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,778,364 km

• M1: 182,809 km (0.095 R)
• M2: 652,845 km (0.111 R)
• M3: 1,243,308 km (0.097 R)
• M4: 1,854,116 km (0.031 R)
• M5: 2,386,385 km (0.052 R)
• M6: 2,924,040 km (0.106 R)
• M7: 3,620,268 km (0.112 R)
• M8: 4,185,599 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 9.9

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.1 AU - 1.74 AU

Year: 1148 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,778,364 km

• M1: 123,119 km (0.077 R)
• M2: 547,678 km (0.102 R)
• M3: 1,138,589 km (0.107 R)
• M4: 1,732,493 km (0.115 R)
• M5: 2,128,030 km (0.073 R)
• M6: 3,306,861 km (0.059 R)
• M7: 3,921,110 km (0.097 R)
• M8: 4,646,959 km (0.071 R)
• M9: 5,671,854 km (0.057 R)
• M10: 6,112,569 km (0.078 R)
• M11: 6,528,750 km (0.099 R)
• M12: 6,914,414 km (0.097 R)
• M13: 7,264,323 km (0.095 R)
• M14: 7,864,958 km (0.107 R)
• M15: 8,191,231 km (0.084 R)
• M16: 10,023,955 km (0.067 R)
• M17: 10,801,864 km (0.109 R)
• M18: 11,273,995 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247

Radius: 14.5

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.94 AU - 2.9 AU

Year: 2553 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,778,364 km

• M1: 181,013 km (0.115 R)
• M2: 741,557 km (0.077 R)
• M3: 1,641,837 km (0.05 R)
• M4: 2,129,974 km (0.113 R)
• M5: 3,034,742 km (0.081 R)
• M6: 3,601,120 km (0.094 R)
• M7: 4,385,013 km (0.068 R)
• M8: 6,861,456 km (0.041 R)
• M9: 7,516,096 km (0.12 R)
• M10: 8,920,371 km (0.087 R)
• M11: 11,256,941 km (0.114 R)
• M12: 12,282,135 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 12.7

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.93 AU - 4.47 AU

Year: 4827 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,778,364 km

• M1: 158,125 km (0.104 R)
• M2: 625,020 km (0.115 R)
• M3: 1,258,118 km (0.058 R)
• M4: 2,067,891 km (0.113 R)
• M5: 3,557,437 km (0.119 R)
• M6: 4,011,168 km (0.039 R)
• M7: 6,101,499 km (0.081 R)
• M8: 6,620,753 km (0.071 R)
• M9: 7,311,446 km (0.107 R)
• M10: 7,748,571 km (0.066 R)
• M11: 9,291,524 km (0.101 R)
• M12: 9,805,093 km (0.06 R)
• M13: 10,611,127 km (0.112 R)
• M14: 11,952,271 km (0.057 R)
• M15: 12,767,729 km (0.064 R)
• M16: 19,000,126 km (0.083 R)
• M17: 21,338,191 km (0.079 R)
• M18: 22,233,984 km (0.095 R)
• M19: 26,408,363 km (0.027 R)
• M20: 31,268,199 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 8.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.49 AU - 4.25 AU

Year: 5164 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,778,364 km

• M1: 102,026 km (0.063 R)
• M2: 501,003 km (0.081 R)
• M3: 1,870,123 km (0.1 R)
• M4: 2,266,857 km (0.112 R)
• M5: 5,152,001 km (0.107 R)
• M6: 5,665,271 km (0.06 R)
• M7: 6,072,178 km (0.09 R)
• M8: 6,586,196 km (0.116 R)
• M9: 7,571,447 km (0.089 R)
• M10: 9,155,090 km (0.119 R)
• M11: 9,640,087 km (0.099 R)
• M12: 12,917,327 km (0.115 R)
• M13: 15,060,317 km (0.098 R)
• M14: 16,323,820 km (0.105 R)
• M15: 20,285,920 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.9

Radius: 7.6

Gravity: 15.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.65 AU - 6.89 AU

Year: 11947 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,778,364 km

• M1: 94,845 km (0.114 R)
• M2: 509,830 km (0.097 R)
• M3: 780,901 km (0.092 R)
• M4: 1,249,591 km (0.036 R)
• M5: 1,911,262 km (0.091 R)
• M6: 5,806,492 km (0.083 R)
• M7: 6,226,263 km (0.114 R)
• M8: 7,607,501 km (0.079 R)
• M9: 8,732,626 km (0.114 R)
• M10: 11,019,678 km (0.102 R)
• M11: 11,603,708 km (0.086 R)
• M12: 11,903,503 km (0.12 R)
• M13: 14,421,684 km (0.116 R)
• M14: 15,988,422 km (0.099 R)
• M15: 20,657,521 km (0.119 R)
• M16: 24,555,892 km (0.074 R)
• M17: 36,644,896 km (0.112 R)
• M18: 37,812,657 km (0.05 R)
• M19: 39,408,118 km (0.118 R)
• M20: 44,755,793 km (0.044 R)
• M21: 54,486,237 km (0.1 R)
• M22: 56,691,011 km (0.045 R)
• M23: 58,077,035 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 20,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit