🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 12.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.66 AU - 0.76 AU

Year: 421 Days

Day: 6.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,386,770 km

• M1: 158,873 km (0.103 R)
• M2: 635,342 km (0.114 R)
• M3: 1,146,967 km (0.119 R)
• M4: 1,683,874 km (0.074 R)
• M5: 2,679,298 km (0.037 R)
• M6: 3,339,324 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 12.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.72 AU - 0.96 AU

Year: 541 Days

Day: 13.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,386,770 km

• M1: 155,432 km (0.089 R)
• M2: 652,845 km (0.093 R)
• M3: 1,052,122 km (0.096 R)
• M4: 1,908,570 km (0.072 R)
• M5: 2,463,727 km (0.031 R)
• M6: 3,239,243 km (0.047 R)
• M7: 3,878,175 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 14.2

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.06 AU - 1.16 AU

Year: 822 Days

Day: 5.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,386,770 km

• M1: 176,675 km (0.117 R)
• M2: 644,617 km (0.062 R)
• M3: 1,207,853 km (0.069 R)
• M4: 1,951,355 km (0.075 R)
• M5: 2,492,301 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 8.2

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.43 AU - 1.69 AU

Year: 1370 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,386,770 km

• M1: 102,026 km (0.083 R)
• M2: 366,515 km (0.063 R)
• M3: 638,035 km (0.111 R)
• M4: 1,323,941 km (0.115 R)
• M5: 1,707,360 km (0.117 R)
• M6: 2,131,470 km (0.104 R)
• M7: 2,612,128 km (0.083 R)
• M8: 3,233,857 km (0.11 R)
• M9: 3,496,701 km (0.107 R)
• M10: 3,934,274 km (0.109 R)
• M11: 4,514,116 km (0.081 R)
• M12: 5,489,344 km (0.1 R)
• M13: 5,864,985 km (0.042 R)
• M14: 6,302,558 km (0.08 R)
• M15: 7,169,328 km (0.052 R)
• M16: 7,721,045 km (0.101 R)
• M17: 8,060,184 km (0.108 R)
• M18: 9,137,737 km (0.096 R)
• M19: 10,946,226 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 12.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.28 AU - 1.94 AU

Year: 1436 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,386,770 km

• M1: 160,369 km (0.104 R)
• M2: 617,989 km (0.04 R)
• M3: 1,052,571 km (0.073 R)
• M4: 1,581,549 km (0.114 R)
• M5: 2,161,390 km (0.093 R)
• M6: 3,149,484 km (0.062 R)
• M7: 3,738,451 km (0.064 R)
• M8: 4,624,818 km (0.068 R)
• M9: 5,138,687 km (0.067 R)
• M10: 5,778,966 km (0.068 R)
• M11: 8,390,795 km (0.079 R)
• M12: 12,070,454 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 14.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.48 AU - 2.34 AU

Year: 1855 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,386,770 km

• M1: 182,809 km (0.038 R)
• M2: 645,814 km (0.074 R)
• M3: 1,170,005 km (0.109 R)
• M4: 1,705,416 km (0.102 R)
• M5: 2,657,307 km (0.032 R)
• M6: 3,152,775 km (0.042 R)
• M7: 4,162,112 km (0.082 R)
• M8: 4,815,406 km (0.08 R)
• M9: 5,310,575 km (0.118 R)
• M10: 5,768,793 km (0.104 R)
• M11: 6,583,204 km (0.101 R)
• M12: 7,167,982 km (0.036 R)
• M13: 7,758,445 km (0.107 R)
• M14: 8,472,775 km (0.099 R)
• M15: 9,263,399 km (0.088 R)
• M16: 9,930,755 km (0.085 R)
• M17: 12,010,615 km (0.116 R)
• M18: 12,927,201 km (0.045 R)
• M19: 13,676,686 km (0.083 R)
• M20: 14,367,080 km (0.114 R)
• M21: 15,354,277 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.6

Radius: 14.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.85 AU - 4.41 AU

Year: 4861 Days

Day: 11.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,386,770 km

• M1: 177,872 km (0.074 R)
• M2: 731,384 km (0.112 R)
• M3: 1,384,827 km (0.09 R)
• M4: 1,854,714 km (0.113 R)
• M5: 2,326,097 km (0.089 R)
• M6: 3,339,922 km (0.091 R)
• M7: 4,025,679 km (0.08 R)
• M8: 5,996,331 km (0.086 R)
• M9: 8,324,673 km (0.074 R)
• M10: 9,038,703 km (0.073 R)
• M11: 10,123,438 km (0.078 R)
• M12: 10,893,567 km (0.095 R)
• M13: 11,383,351 km (0.079 R)
• M14: 12,311,456 km (0.098 R)
• M15: 13,289,527 km (0.1 R)
• M16: 15,456,153 km (0.114 R)
• M17: 16,828,564 km (0.113 R)
• M18: 20,079,325 km (0.092 R)
• M19: 20,817,142 km (0.117 R)
• M20: 21,365,119 km (0.104 R)
• M21: 21,992,981 km (0.113 R)
• M22: 22,777,173 km (0.094 R)
• M23: 23,802,068 km (0.111 R)
• M24: 25,708,394 km (0.113 R)
• M25: 26,899,941 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 12,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit