🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.08 AU - 1.54 AU

Year: 540 Days

Day: 17.2 Hours

Environment

Temp: -8 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,853,892 km

• M1: 35,754 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.32 AU - 1.72 AU

Year: 674 Days

Day: 16.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.26 AU - 3.4 AU

Year: 1713 Days

Day: 47.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,853,892 km

• M1: 130,898 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.54 AU - 3.98 AU

Year: 2118 Days

Day: 46.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 56.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 8.4

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.21 AU - 11.03 AU

Year: 11586 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,853,892 km

• M1: 104,419 km (0.063 R)
• M2: 438,023 km (0.112 R)
• M3: 743,352 km (0.088 R)
• M4: 1,022,053 km (0.091 R)
• M5: 1,834,219 km (0.1 R)
• M6: 3,213,661 km (0.075 R)
• M7: 3,974,815 km (0.097 R)
• M8: 5,283,198 km (0.059 R)
• M9: 6,186,620 km (0.116 R)
• M10: 7,105,450 km (0.115 R)
• M11: 10,245,809 km (0.054 R)
• M12: 12,359,626 km (0.05 R)
• M13: 14,816,921 km (0.097 R)
• M14: 16,526,526 km (0.052 R)
• M15: 20,333,193 km (0.1 R)
• M16: 22,895,805 km (0.098 R)
• M17: 23,732,954 km (0.031 R)
• M18: 26,165,416 km (0.058 R)
• M19: 28,439,303 km (0.098 R)
• M20: 30,063,188 km (0.089 R)
• M21: 31,977,293 km (0.108 R)
• M22: 32,905,697 km (0.037 R)
• M23: 34,694,439 km (0.09 R)
• M24: 36,046,654 km (0.078 R)
• M25: 36,672,871 km (0.118 R)
• M26: 40,046,452 km (0.089 R)
• M27: 40,448,422 km (0.065 R)
• M28: 45,195,761 km (0.072 R)
• M29: 47,253,928 km (0.111 R)
• M30: 52,511,097 km (0.086 R)
• M31: 53,802,276 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.6

Radius: 9.4

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.4 AU - 12.24 AU

Year: 12809 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,853,892 km

• M1: 116,986 km (0.115 R)
• M2: 445,203 km (0.063 R)
• M3: 971,638 km (0.106 R)
• M4: 1,345,483 km (0.04 R)
• M5: 1,948,213 km (0.061 R)
• M6: 3,376,125 km (0.068 R)
• M7: 3,740,844 km (0.098 R)
• M8: 4,643,069 km (0.114 R)
• M9: 5,471,243 km (0.112 R)
• M10: 6,050,935 km (0.072 R)
• M11: 6,591,133 km (0.087 R)
• M12: 12,500,099 km (0.056 R)
• M13: 12,996,165 km (0.079 R)
• M14: 18,865,189 km (0.085 R)
• M15: 21,833,809 km (0.108 R)
• M16: 23,103,895 km (0.112 R)
• M17: 24,040,677 km (0.118 R)
• M18: 25,002,591 km (0.085 R)
• M19: 26,090,168 km (0.107 R)
• M20: 27,106,087 km (0.115 R)
• M21: 27,415,904 km (0.117 R)
• M22: 32,120,608 km (0.114 R)
• M23: 35,334,568 km (0.091 R)
• M24: 37,849,159 km (0.064 R)
• M25: 42,532,769 km (0.076 R)
• M26: 45,812,403 km (0.078 R)
• M27: 51,120,734 km (0.081 R)
• M28: 51,594,062 km (0.098 R)
• M29: 53,192,515 km (0.077 R)
• M30: 53,678,558 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.3

Radius: 5.2

Gravity: 22.46 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 13.26 AU - 20.86 AU

Year: 25359 Days

Day: 22.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,853,892 km

• M1: 64,626 km (0.101 R)
• M2: 248,332 km (0.07 R)
• M3: 606,470 km (0.087 R)
• M4: 879,935 km (0.098 R)
• M5: 1,586,037 km (0.06 R)
• M6: 2,398,203 km (0.113 R)
• M7: 3,167,735 km (0.065 R)
• M8: 3,427,736 km (0.088 R)
• M9: 4,259,799 km (0.069 R)
• M10: 5,665,122 km (0.109 R)
• M11: 6,773,343 km (0.096 R)
• M12: 9,062,340 km (0.083 R)
• M13: 9,527,589 km (0.099 R)
• M14: 11,282,073 km (0.112 R)
• M15: 11,549,255 km (0.05 R)
• M16: 11,752,259 km (0.108 R)
• M17: 15,011,099 km (0.084 R)
• M18: 19,107,089 km (0.054 R)
• M19: 20,954,922 km (0.115 R)
• M20: 27,808,898 km (0.08 R)
• M21: 32,672,175 km (0.089 R)
• M22: 33,214,766 km (0.102 R)
• M23: 34,878,893 km (0.052 R)
• M24: 36,452,513 km (0.031 R)
• M25: 37,774,659 km (0.082 R)
• M26: 42,412,642 km (0.071 R)
• M27: 44,039,070 km (0.068 R)
• M28: 46,898,783 km (0.079 R)
• M29: 55,829,477 km (0.117 R)
• M30: 62,027,616 km (0.035 R)
• M31: 62,650,691 km (0.108 R)
• M32: 62,859,380 km (0.11 R)
• M33: 71,134,685 km (0.11 R)
• M34: 71,589,313 km (0.096 R)
• M35: 72,274,920 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.5

Radius: 5.8

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 18.58 AU - 20.54 AU

Year: 31133 Days

Day: 16.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,853,892 km

• M1: 72,256 km (0.037 R)
• M2: 509,680 km (0.046 R)
• M3: 698,472 km (0.056 R)
• M4: 958,174 km (0.102 R)
• M5: 1,281,156 km (0.111 R)
• M6: 1,928,017 km (0.08 R)
• M7: 2,334,624 km (0.069 R)
• M8: 2,675,708 km (0.113 R)
• M9: 2,972,061 km (0.119 R)
• M10: 4,550,618 km (0.119 R)
• M11: 5,696,089 km (0.05 R)
• M12: 6,187,368 km (0.107 R)
• M13: 7,207,027 km (0.12 R)
• M14: 7,490,515 km (0.12 R)
• M15: 8,646,607 km (0.071 R)
• M16: 9,350,316 km (0.07 R)
• M17: 10,386,730 km (0.104 R)
• M18: 12,753,667 km (0.117 R)
• M19: 23,891,079 km (0.045 R)
• M20: 26,146,117 km (0.113 R)
• M21: 27,956,700 km (0.061 R)
• M22: 32,460,494 km (0.094 R)
• M23: 35,355,362 km (0.049 R)
• M24: 36,449,372 km (0.094 R)
• M25: 39,574,022 km (0.093 R)
• M26: 42,718,719 km (0.112 R)
• M27: 54,218,457 km (0.03 R)
• M28: 61,746,072 km (0.081 R)
• M29: 63,131,199 km (0.072 R)
• M30: 68,247,297 km (0.105 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 14,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit