🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.6

Radius: 8.6

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.77 AU - 0.95 AU

Year: 515 Days

Day: 5.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,210,012 km

• M1: 106,962 km (0.101 R)
• M2: 496,515 km (0.106 R)
• M3: 796,609 km (0.067 R)
• M4: 1,507,498 km (0.078 R)
• M5: 1,807,292 km (0.119 R)
• M6: 2,266,408 km (0.1 R)
• M7: 3,647,645 km (0.119 R)
• M8: 4,165,702 km (0.063 R)
• M9: 4,654,588 km (0.077 R)
• M10: 5,264,499 km (0.117 R)
• M11: 5,641,336 km (0.071 R)
• M12: 6,128,277 km (0.1 R)
• M13: 6,430,016 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 11.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.78 AU - 1.06 AU

Year: 570 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,210,012 km

• M1: 141,819 km (0.104 R)
• M2: 831,615 km (0.114 R)
• M3: 1,297,313 km (0.072 R)
• M4: 2,170,815 km (0.079 R)
• M5: 2,711,013 km (0.093 R)
• M6: 3,748,175 km (0.103 R)
• M7: 4,514,565 km (0.118 R)
• M8: 5,784,501 km (0.055 R)
• M9: 6,669,073 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 14.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.82 AU - 2.88 AU

Year: 2326 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,210,012 km

• M1: 184,753 km (0.12 R)
• M2: 906,713 km (0.074 R)
• M3: 1,424,471 km (0.079 R)
• M4: 2,099,756 km (0.077 R)
• M5: 3,070,646 km (0.099 R)
• M6: 3,759,394 km (0.115 R)
• M7: 6,152,063 km (0.073 R)
• M8: 6,914,713 km (0.109 R)
• M9: 8,422,659 km (0.118 R)
• M10: 9,554,367 km (0.118 R)
• M11: 10,107,281 km (0.082 R)
• M12: 10,681,587 km (0.101 R)
• M13: 12,270,017 km (0.04 R)
• M14: 13,520,656 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 10.6

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.44 AU - 3.94 AU

Year: 4577 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,210,012 km

• M1: 220,956 km (0.109 R)
• M2: 673,490 km (0.117 R)
• M3: 1,013,376 km (0.096 R)
• M4: 1,427,014 km (0.09 R)
• M5: 2,537,329 km (0.117 R)
• M6: 3,564,917 km (0.098 R)
• M7: 5,396,893 km (0.089 R)
• M8: 6,517,381 km (0.052 R)
• M9: 11,129,034 km (0.097 R)
• M10: 11,551,349 km (0.072 R)
• M11: 13,987,251 km (0.08 R)
• M12: 17,679,177 km (0.06 R)
• M13: 19,714,606 km (0.107 R)
• M14: 20,403,205 km (0.092 R)
• M15: 20,965,543 km (0.115 R)
• M16: 21,683,164 km (0.079 R)
• M17: 23,856,672 km (0.068 R)
• M18: 26,835,764 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.6

Radius: 5.9

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.78 AU - 12.24 AU

Year: 20449 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,210,012 km

• M1: 76,295 km (0.043 R)
• M2: 2,449,665 km (0.115 R)
• M3: 2,780,875 km (0.048 R)
• M4: 3,591,097 km (0.118 R)
• M5: 3,955,667 km (0.114 R)
• M6: 4,179,615 km (0.112 R)
• M7: 6,461,880 km (0.102 R)
• M8: 8,118,976 km (0.111 R)
• M9: 9,350,615 km (0.111 R)
• M10: 10,949,667 km (0.095 R)
• M11: 11,715,608 km (0.09 R)
• M12: 13,282,645 km (0.113 R)
• M13: 16,169,286 km (0.1 R)
• M14: 22,030,680 km (0.067 R)
• M15: 26,039,454 km (0.102 R)
• M16: 28,569,154 km (0.069 R)
• M17: 32,019,629 km (0.119 R)
• M18: 33,447,990 km (0.091 R)
• M19: 35,463,372 km (0.101 R)
• M20: 53,851,793 km (0.113 R)
• M21: 58,315,644 km (0.087 R)
• M22: 59,275,613 km (0.107 R)
• M23: 60,441,579 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.1

Radius: 5.4

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.54 AU - 12.36 AU

Year: 21812 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,210,012 km

• M1: 68,965 km (0.102 R)
• M2: 636,240 km (0.096 R)
• M3: 1,514,678 km (0.102 R)
• M4: 2,026,752 km (0.085 R)
• M5: 2,269,699 km (0.105 R)
• M6: 2,509,355 km (0.113 R)
• M7: 5,263,003 km (0.031 R)
• M8: 5,923,178 km (0.108 R)
• M9: 7,691,724 km (0.075 R)
• M10: 11,207,424 km (0.03 R)
• M11: 11,774,848 km (0.084 R)
• M12: 12,033,204 km (0.076 R)
• M13: 16,135,926 km (0.074 R)
• M14: 18,455,740 km (0.106 R)
• M15: 23,847,097 km (0.079 R)
• M16: 27,403,188 km (0.098 R)
• M17: 38,156,134 km (0.044 R)
• M18: 40,598,917 km (0.051 R)
• M19: 42,083,377 km (0.073 R)
• M20: 42,991,286 km (0.059 R)
• M21: 49,213,212 km (0.104 R)
• M22: 51,585,385 km (0.098 R)
• M23: 58,406,150 km (0.109 R)
• M24: 59,914,845 km (0.097 R)
• M25: 61,642,999 km (0.093 R)
• M26: 64,997,283 km (0.087 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 16,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit