🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.6 AU - 0.7 AU

Year: 236 Days

Day: 19.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.64 AU - 0.82 AU

Year: 280 Days

Day: 29.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.9 AU - 2.16 AU

Year: 1300 Days

Day: 34.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,077,170 km

• M1: 32,164 km (0.059 R)

Asteroid Belt

Center: 2.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 8.1

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.22 AU - 3.1 AU

Year: 1950 Days

Day: 10.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,077,170 km

• M1: 100,829 km (0.116 R)
• M2: 375,042 km (0.102 R)
• M3: 636,689 km (0.067 R)
• M4: 1,324,689 km (0.117 R)
• M5: 1,690,606 km (0.091 R)
• M6: 2,257,881 km (0.094 R)
• M7: 3,258,242 km (0.104 R)
• M8: 3,661,557 km (0.112 R)
• M9: 4,078,936 km (0.112 R)
• M10: 5,096,351 km (0.098 R)
• M11: 9,419,580 km (0.088 R)
• M12: 10,487,110 km (0.114 R)
• M13: 11,443,040 km (0.08 R)
• M14: 11,710,073 km (0.06 R)
• M15: 11,981,293 km (0.083 R)
• M16: 13,274,717 km (0.118 R)
• M17: 13,697,480 km (0.062 R)
• M18: 14,085,388 km (0.105 R)
• M19: 15,293,690 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 14.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.26 AU - 3.6 AU

Year: 2856 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,077,170 km

• M1: 180,265 km (0.12 R)
• M2: 664,963 km (0.106 R)
• M3: 1,506,151 km (0.099 R)
• M4: 2,005,958 km (0.08 R)
• M5: 2,543,762 km (0.077 R)
• M6: 3,212,465 km (0.114 R)
• M7: 4,349,259 km (0.12 R)
• M8: 9,564,839 km (0.084 R)
• M9: 10,278,720 km (0.104 R)
• M10: 11,354,179 km (0.056 R)
• M11: 13,129,008 km (0.092 R)
• M12: 14,059,208 km (0.056 R)
• M13: 15,587,201 km (0.115 R)
• M14: 16,523,833 km (0.093 R)
• M15: 19,382,050 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.2

Radius: 11

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.85 AU - 4.33 AU

Year: 3058 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,077,170 km

• M1: 136,882 km (0.107 R)
• M2: 483,500 km (0.113 R)
• M3: 887,415 km (0.061 R)
• M4: 1,412,054 km (0.091 R)
• M5: 2,164,083 km (0.094 R)
• M6: 3,182,994 km (0.107 R)
• M7: 3,921,110 km (0.114 R)
• M8: 4,342,078 km (0.092 R)
• M9: 6,114,065 km (0.054 R)
• M10: 6,479,383 km (0.088 R)
• M11: 7,567,857 km (0.114 R)
• M12: 8,358,781 km (0.067 R)
• M13: 9,609,718 km (0.059 R)
• M14: 10,497,283 km (0.106 R)
• M15: 10,859,160 km (0.083 R)
• M16: 11,312,591 km (0.103 R)
• M17: 13,115,844 km (0.12 R)
• M18: 13,535,915 km (0.106 R)
• M19: 18,947,468 km (0.032 R)
• M20: 19,424,685 km (0.098 R)
• M21: 19,909,831 km (0.071 R)
• M22: 20,904,507 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 14.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3 AU - 4.24 AU

Year: 3097 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,077,170 km

• M1: 182,809 km (0.112 R)
• M2: 897,138 km (0.112 R)
• M3: 1,469,949 km (0.109 R)
• M4: 2,301,264 km (0.116 R)
• M5: 2,787,308 km (0.085 R)
• M6: 3,430,279 km (0.076 R)
• M7: 6,132,765 km (0.097 R)
• M8: 9,128,761 km (0.097 R)
• M9: 9,843,241 km (0.102 R)
• M10: 10,984,523 km (0.105 R)
• M11: 14,698,888 km (0.099 R)
• M12: 15,332,735 km (0.052 R)
• M13: 17,942,619 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 10

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.53 AU - 4.99 AU

Year: 3953 Days

Day: 13.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,077,170 km

• M1: 124,316 km (0.101 R)
• M2: 448,046 km (0.097 R)
• M3: 870,061 km (0.026 R)
• M4: 1,386,473 km (0.062 R)
• M5: 1,991,297 km (0.108 R)
• M6: 2,325,798 km (0.101 R)
• M7: 3,146,193 km (0.047 R)
• M8: 3,996,657 km (0.113 R)
• M9: 5,068,675 km (0.094 R)
• M10: 6,033,432 km (0.063 R)
• M11: 10,261,816 km (0.119 R)
• M12: 10,927,227 km (0.118 R)
• M13: 11,710,073 km (0.109 R)
• M14: 16,194,568 km (0.084 R)
• M15: 17,154,089 km (0.114 R)
• M16: 17,972,239 km (0.056 R)
• M17: 18,451,401 km (0.119 R)
• M18: 19,497,838 km (0.11 R)
• M19: 20,388,993 km (0.089 R)
• M20: 21,979,368 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.6

Radius: 3.6

Gravity: 35.85 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.87 AU - 11.69 AU

Year: 13751 Days

Day: 18 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,077,170 km

• M1: 44,730 km (0.119 R)
• M2: 159,023 km (0.082 R)
• M3: 282,740 km (0.117 R)
• M4: 614,099 km (0.046 R)
• M5: 728,691 km (0.1 R)
• M6: 927,956 km (0.073 R)
• M7: 1,115,103 km (0.054 R)
• M8: 1,449,603 km (0.085 R)
• M9: 1,830,928 km (0.086 R)
• M10: 1,966,165 km (0.101 R)
• M11: 2,492,749 km (0.088 R)
• M12: 3,037,286 km (0.109 R)
• M13: 3,736,955 km (0.112 R)
• M14: 3,927,393 km (0.077 R)
• M15: 5,871,417 km (0.095 R)
• M16: 6,471,155 km (0.084 R)
• M17: 7,318,777 km (0.066 R)
• M18: 10,196,890 km (0.114 R)
• M19: 10,355,314 km (0.099 R)
• M20: 11,510,060 km (0.043 R)
• M21: 11,971,719 km (0.089 R)
• M22: 18,667,720 km (0.107 R)
• M23: 20,453,021 km (0.111 R)
• M24: 23,706,775 km (0.091 R)
• M25: 25,407,553 km (0.067 R)
• M26: 29,903,866 km (0.083 R)
• M27: 30,228,494 km (0.087 R)
• M28: 34,308,327 km (0.092 R)
• M29: 36,849,845 km (0.099 R)
• M30: 41,359,623 km (0.05 R)
• M31: 41,628,001 km (0.098 R)
• M32: 45,364,208 km (0.051 R)
• M33: 47,680,432 km (0.107 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: 321 - 17,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit