🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.67 AU - 0.89 AU

Year: 241 Days

Day: 28.5 Hours

Environment

Temp: 185 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,743,287 km

• M1: 639,531 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.2 AU - 4.92 AU

Year: 2862 Days

Day: 15.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.66 AU - 8.98 AU

Year: 6929 Days

Day: 10.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,743,287 km

• M1: 116,537 km (0.115 R)
• M2: 457,321 km (0.088 R)
• M3: 1,463,666 km (0.049 R)
• M4: 1,798,316 km (0.101 R)
• M5: 3,201,843 km (0.088 R)
• M6: 3,510,613 km (0.049 R)
• M7: 5,451,346 km (0.099 R)
• M8: 7,759,791 km (0.065 R)
• M9: 9,989,847 km (0.067 R)
• M10: 11,439,749 km (0.101 R)
• M11: 15,035,035 km (0.038 R)
• M12: 15,437,303 km (0.025 R)
• M13: 15,905,844 km (0.117 R)
• M14: 16,383,809 km (0.09 R)
• M15: 16,932,833 km (0.056 R)
• M16: 22,966,564 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 10.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 10.26 AU - 12.4 AU

Year: 13342 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,743,287 km

• M1: 132,993 km (0.065 R)
• M2: 528,679 km (0.089 R)
• M3: 1,244,355 km (0.096 R)
• M4: 3,021,428 km (0.114 R)
• M5: 5,055,810 km (0.111 R)
• M6: 6,113,317 km (0.114 R)
• M7: 7,348,696 km (0.09 R)
• M8: 9,766,048 km (0.113 R)
• M9: 10,444,624 km (0.111 R)
• M10: 14,147,770 km (0.07 R)
• M11: 14,606,886 km (0.045 R)
• M12: 18,305,693 km (0.103 R)
• M13: 32,166,833 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 12

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 10.04 AU - 15.98 AU

Year: 16417 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,743,287 km

• M1: 149,299 km (0.109 R)
• M2: 838,496 km (0.091 R)
• M3: 1,798,466 km (0.102 R)
• M4: 2,214,647 km (0.113 R)
• M5: 3,535,895 km (0.032 R)
• M6: 4,815,256 km (0.086 R)
• M7: 5,837,907 km (0.101 R)
• M8: 6,344,894 km (0.119 R)
• M9: 7,657,167 km (0.081 R)
• M10: 9,286,737 km (0.106 R)
• M11: 11,356,274 km (0.066 R)
• M12: 13,906,319 km (0.103 R)
• M13: 16,960,958 km (0.105 R)
• M14: 24,270,011 km (0.044 R)
• M15: 27,043,256 km (0.073 R)
• M16: 30,663,674 km (0.118 R)
• M17: 41,169,783 km (0.118 R)
• M18: 42,497,165 km (0.076 R)
• M19: 43,307,237 km (0.106 R)
• M20: 46,936,930 km (0.118 R)
• M21: 48,239,180 km (0.074 R)

Asteroid Belt

Center: 13.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.4

Radius: 7.7

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 11.09 AU - 16.33 AU

Year: 17760 Days

Day: 17.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,743,287 km

• M1: 95,743 km (0.06 R)
• M2: 462,856 km (0.119 R)
• M3: 802,892 km (0.082 R)
• M4: 1,049,878 km (0.1 R)
• M5: 2,200,136 km (0.109 R)
• M6: 2,537,329 km (0.046 R)
• M7: 3,396,620 km (0.083 R)
• M8: 3,761,040 km (0.12 R)
• M9: 5,119,538 km (0.065 R)
• M10: 6,313,030 km (0.081 R)
• M11: 7,311,147 km (0.113 R)
• M12: 7,776,546 km (0.11 R)
• M13: 8,360,875 km (0.1 R)
• M14: 10,994,396 km (0.082 R)
• M15: 12,174,424 km (0.069 R)
• M16: 12,433,229 km (0.111 R)
• M17: 19,363,799 km (0.117 R)
• M18: 30,593,363 km (0.078 R)
• M19: 33,164,202 km (0.092 R)
• M20: 34,566,682 km (0.101 R)
• M21: 41,296,642 km (0.077 R)
• M22: 43,519,217 km (0.062 R)
• M23: 44,736,645 km (0.108 R)
• M24: 45,198,902 km (0.108 R)
• M25: 47,558,509 km (0.088 R)
• M26: 47,879,247 km (0.118 R)
• M27: 49,176,410 km (0.108 R)
• M28: 56,015,726 km (0.1 R)
• M29: 59,661,576 km (0.118 R)
• M30: 62,305,718 km (0.109 R)
• M31: 62,689,736 km (0.112 R)
• M32: 64,241,514 km (0.072 R)
• M33: 66,416,967 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406

Radius: 3.2

Gravity: 39.65 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 16.62 AU - 17.16 AU

Year: 24284 Days

Day: 24.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,743,287 km

• M1: 42,336 km (0.04 R)
• M2: 210,783 km (0.12 R)
• M3: 390,750 km (0.095 R)
• M4: 703,559 km (0.043 R)
• M5: 2,290,643 km (0.113 R)
• M6: 2,797,630 km (0.103 R)
• M7: 4,520,548 km (0.103 R)
• M8: 7,684,843 km (0.094 R)
• M9: 9,570,973 km (0.097 R)
• M10: 13,861,440 km (0.077 R)
• M11: 19,277,780 km (0.068 R)
• M12: 21,711,139 km (0.054 R)
• M13: 25,191,384 km (0.087 R)
• M14: 26,171,250 km (0.088 R)
• M15: 37,543,830 km (0.056 R)
• M16: 46,931,545 km (0.066 R)
• M17: 47,094,606 km (0.061 R)
• M18: 59,467,697 km (0.099 R)
• M19: 60,812,432 km (0.118 R)
• M20: 62,768,424 km (0.044 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 12,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit