🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 12.7

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 7.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,315,292 km

• M1: 158,125 km (0.115 R)
• M2: 612,902 km (0.086 R)
• M3: 1,236,426 km (0.084 R)
• M4: 1,674,000 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.5

Radius: 13.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.37 AU - 2.43 AU

Year: 2522 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,315,292 km

• M1: 169,195 km (0.073 R)
• M2: 811,269 km (0.098 R)
• M3: 1,309,580 km (0.028 R)
• M4: 2,015,532 km (0.104 R)
• M5: 2,678,699 km (0.082 R)
• M6: 3,517,794 km (0.045 R)
• M7: 4,894,842 km (0.025 R)
• M8: 5,509,540 km (0.07 R)
• M9: 6,761,973 km (0.09 R)
• M10: 9,357,796 km (0.101 R)
• M11: 11,433,316 km (0.04 R)
• M12: 12,123,411 km (0.11 R)
• M13: 12,598,983 km (0.072 R)
• M14: 13,128,111 km (0.106 R)
• M15: 15,211,710 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 9.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.24 AU - 4.08 AU

Year: 4749 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,315,292 km

• M1: 120,277 km (0.085 R)
• M2: 593,156 km (0.106 R)
• M3: 1,281,605 km (0.093 R)
• M4: 1,909,766 km (0.108 R)
• M5: 2,624,395 km (0.091 R)
• M6: 3,618,623 km (0.103 R)
• M7: 4,869,111 km (0.093 R)
• M8: 5,542,452 km (0.071 R)
• M9: 6,007,252 km (0.1 R)
• M10: 6,386,483 km (0.109 R)
• M11: 7,405,394 km (0.103 R)
• M12: 7,778,491 km (0.087 R)
• M13: 14,652,812 km (0.049 R)
• M14: 14,994,643 km (0.053 R)
• M15: 15,391,826 km (0.111 R)
• M16: 16,103,762 km (0.072 R)
• M17: 18,712,001 km (0.047 R)
• M18: 19,056,824 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 13.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.03 AU - 6.69 AU

Year: 8417 Days

Day: 12 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,315,292 km

• M1: 166,652 km (0.093 R)
• M2: 592,408 km (0.079 R)
• M3: 1,017,565 km (0.1 R)
• M4: 1,456,186 km (0.07 R)
• M5: 2,068,340 km (0.082 R)
• M6: 4,806,729 km (0.088 R)
• M7: 6,634,965 km (0.095 R)
• M8: 7,289,306 km (0.12 R)
• M9: 8,024,280 km (0.093 R)
• M10: 11,228,966 km (0.11 R)
• M11: 12,983,150 km (0.1 R)
• M12: 15,439,697 km (0.112 R)
• M13: 16,038,537 km (0.119 R)
• M14: 17,029,025 km (0.057 R)
• M15: 25,549,970 km (0.075 R)
• M16: 26,050,824 km (0.109 R)
• M17: 28,297,933 km (0.114 R)
• M18: 28,744,483 km (0.061 R)
• M19: 32,977,654 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.6

Radius: 5.2

Gravity: 19.11 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.41 AU - 6.31 AU

Year: 9621 Days

Day: 20 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,315,292 km

• M1: 64,776 km (0.118 R)
• M2: 235,317 km (0.067 R)
• M3: 404,363 km (0.09 R)
• M4: 2,641,749 km (0.102 R)
• M5: 3,210,221 km (0.064 R)
• M6: 5,696,687 km (0.085 R)
• M7: 7,681,701 km (0.103 R)
• M8: 8,652,142 km (0.028 R)
• M9: 10,037,269 km (0.117 R)
• M10: 10,731,553 km (0.107 R)
• M11: 11,194,558 km (0.055 R)
• M12: 11,404,594 km (0.082 R)
• M13: 11,832,444 km (0.092 R)
• M14: 15,132,573 km (0.057 R)
• M15: 15,714,508 km (0.1 R)
• M16: 17,061,039 km (0.116 R)
• M17: 18,998,182 km (0.102 R)
• M18: 21,397,731 km (0.059 R)
• M19: 22,295,618 km (0.109 R)
• M20: 22,879,798 km (0.114 R)
• M21: 23,474,299 km (0.085 R)
• M22: 23,991,908 km (0.103 R)
• M23: 27,830,589 km (0.094 R)
• M24: 32,059,272 km (0.054 R)
• M25: 35,441,680 km (0.049 R)
• M26: 35,667,723 km (0.116 R)
• M27: 38,814,215 km (0.075 R)
• M28: 40,887,492 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518

Radius: 7.5

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.98 AU - 10.18 AU

Year: 17046 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 150.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,315,292 km

• M1: 93,349 km (0.076 R)
• M2: 338,690 km (0.084 R)
• M3: 783,294 km (0.039 R)
• M4: 1,564,195 km (0.117 R)
• M5: 5,074,958 km (0.045 R)
• M6: 5,393,602 km (0.086 R)
• M7: 5,650,611 km (0.107 R)
• M8: 6,430,464 km (0.1 R)
• M9: 7,235,750 km (0.103 R)
• M10: 9,514,873 km (0.109 R)
• M11: 12,170,834 km (0.109 R)
• M12: 13,466,202 km (0.087 R)
• M13: 17,658,533 km (0.099 R)
• M14: 18,474,140 km (0.061 R)
• M15: 19,744,376 km (0.111 R)
• M16: 21,526,984 km (0.111 R)
• M17: 25,103,271 km (0.11 R)
• M18: 25,615,045 km (0.055 R)
• M19: 27,840,762 km (0.075 R)
• M20: 33,160,612 km (0.064 R)
• M21: 34,150,052 km (0.105 R)
• M22: 37,501,942 km (0.101 R)
• M23: 41,920,315 km (0.086 R)
• M24: 44,105,940 km (0.1 R)
• M25: 51,116,994 km (0.052 R)
• M26: 52,270,244 km (0.043 R)
• M27: 58,298,290 km (0.046 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 10,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit