🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.78 AU - 0.82 AU

Year: 306 Days

Day: 32.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.9 AU - 1.18 AU

Year: 453 Days

Day: 47.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,797,579 km

• M1: 103,971 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.64 AU - 2.58 AU

Year: 1310 Days

Day: 19.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 15

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.69 AU - 7.15 AU

Year: 7782 Days

Day: 6.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 94,797,579 km

• M1: 186,549 km (0.1 R)
• M2: 693,685 km (0.114 R)
• M3: 1,238,670 km (0.072 R)
• M4: 1,716,336 km (0.092 R)
• M5: 2,303,658 km (0.074 R)
• M6: 3,004,374 km (0.073 R)
• M7: 3,966,588 km (0.106 R)
• M8: 5,096,650 km (0.111 R)
• M9: 6,329,636 km (0.093 R)
• M10: 7,598,225 km (0.104 R)
• M11: 8,437,320 km (0.113 R)
• M12: 9,117,392 km (0.12 R)
• M13: 9,742,412 km (0.11 R)
• M14: 10,684,729 km (0.093 R)
• M15: 11,842,766 km (0.114 R)
• M16: 15,072,733 km (0.092 R)
• M17: 19,137,008 km (0.114 R)
• M18: 20,614,886 km (0.1 R)
• M19: 24,386,248 km (0.108 R)
• M20: 24,984,789 km (0.103 R)
• M21: 28,219,394 km (0.059 R)
• M22: 29,261,044 km (0.029 R)
• M23: 30,034,615 km (0.095 R)
• M24: 31,320,708 km (0.104 R)
• M25: 32,130,182 km (0.071 R)
• M26: 32,953,718 km (0.116 R)
• M27: 34,857,800 km (0.068 R)
• M28: 35,508,551 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267

Radius: 6.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.9 AU - 13.1 AU

Year: 15596 Days

Day: 15.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 94,797,579 km

• M1: 86,019 km (0.108 R)
• M2: 312,660 km (0.083 R)
• M3: 559,496 km (0.039 R)
• M4: 802,742 km (0.099 R)
• M5: 1,244,056 km (0.087 R)
• M6: 1,541,008 km (0.082 R)
• M7: 2,334,026 km (0.068 R)
• M8: 2,982,533 km (0.108 R)
• M9: 3,208,276 km (0.064 R)
• M10: 4,199,960 km (0.111 R)
• M11: 4,690,791 km (0.05 R)
• M12: 5,059,849 km (0.027 R)
• M13: 5,316,559 km (0.043 R)
• M14: 8,608,460 km (0.095 R)
• M15: 10,340,354 km (0.081 R)
• M16: 17,483,802 km (0.042 R)
• M17: 17,776,266 km (0.077 R)
• M18: 19,055,478 km (0.096 R)
• M19: 20,394,977 km (0.104 R)
• M20: 23,436,601 km (0.117 R)
• M21: 23,792,195 km (0.117 R)
• M22: 24,972,821 km (0.039 R)
• M23: 26,096,750 km (0.064 R)
• M24: 29,774,315 km (0.044 R)
• M25: 32,336,029 km (0.105 R)
• M26: 33,333,398 km (0.095 R)
• M27: 33,783,238 km (0.081 R)
• M28: 35,622,843 km (0.1 R)
• M29: 36,448,474 km (0.102 R)
• M30: 38,877,195 km (0.114 R)
• M31: 39,250,592 km (0.085 R)
• M32: 41,801,235 km (0.096 R)
• M33: 46,247,883 km (0.087 R)
• M34: 46,807,528 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.6

Radius: 4.1

Gravity: 47.15 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 10.27 AU - 13.33 AU

Year: 17328 Days

Day: 23.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,797,579 km

• M1: 55,950 km (0.116 R)
• M2: 229,483 km (0.059 R)
• M3: 460,163 km (0.076 R)
• M4: 3,215,008 km (0.081 R)
• M5: 4,223,297 km (0.116 R)
• M6: 4,420,916 km (0.112 R)
• M7: 5,087,674 km (0.058 R)
• M8: 5,502,958 km (0.111 R)
• M9: 5,699,080 km (0.11 R)
• M10: 7,875,131 km (0.101 R)
• M11: 9,394,148 km (0.115 R)
• M12: 10,369,825 km (0.102 R)
• M13: 10,548,744 km (0.115 R)
• M14: 12,386,255 km (0.096 R)
• M15: 17,847,774 km (0.064 R)
• M16: 18,979,631 km (0.053 R)
• M17: 19,790,751 km (0.092 R)
• M18: 23,471,158 km (0.068 R)
• M19: 33,300,187 km (0.112 R)
• M20: 44,761,179 km (0.081 R)
• M21: 50,166,748 km (0.054 R)
• M22: 60,307,090 km (0.059 R)
• M23: 66,878,626 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.5

Radius: 3.3

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 10.4 AU - 14.58 AU

Year: 18870 Days

Day: 22.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 94,797,579 km

• M1: 40,990 km (0.064 R)
• M2: 371,900 km (0.085 R)
• M3: 517,609 km (0.11 R)
• M4: 724,652 km (0.059 R)
• M5: 916,437 km (0.082 R)
• M6: 1,413,999 km (0.04 R)
• M7: 1,910,514 km (0.104 R)
• M8: 2,022,264 km (0.115 R)
• M9: 3,325,860 km (0.073 R)
• M10: 4,746,890 km (0.075 R)
• M11: 5,704,017 km (0.07 R)
• M12: 6,141,142 km (0.12 R)
• M13: 7,666,143 km (0.066 R)
• M14: 8,324,074 km (0.098 R)
• M15: 9,198,324 km (0.12 R)
• M16: 9,334,458 km (0.106 R)
• M17: 14,747,059 km (0.084 R)
• M18: 15,503,127 km (0.098 R)
• M19: 19,599,715 km (0.067 R)
• M20: 19,976,851 km (0.117 R)
• M21: 21,773,820 km (0.096 R)
• M22: 22,178,333 km (0.06 R)
• M23: 23,085,644 km (0.115 R)
• M24: 28,282,225 km (0.096 R)
• M25: 28,860,571 km (0.111 R)
• M26: 31,974,600 km (0.049 R)
• M27: 38,270,875 km (0.104 R)
• M28: 38,741,361 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.5

Radius: 3.1

Gravity: 63.63 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 16.14 AU - 17.46 AU

Year: 29437 Days

Day: 15.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 94,797,579 km

• M1: 39,793 km (0.105 R)
• M2: 168,148 km (0.115 R)
• M3: 433,983 km (0.103 R)
• M4: 3,443,893 km (0.109 R)
• M5: 3,997,704 km (0.105 R)
• M6: 6,474,297 km (0.069 R)
• M7: 10,649,723 km (0.099 R)
• M8: 10,916,007 km (0.071 R)
• M9: 14,145,975 km (0.079 R)
• M10: 18,912,312 km (0.028 R)
• M11: 19,599,116 km (0.065 R)
• M12: 23,507,809 km (0.119 R)
• M13: 26,182,021 km (0.119 R)
• M14: 51,904,328 km (0.096 R)
• M15: 52,094,766 km (0.084 R)
• M16: 53,635,175 km (0.112 R)
• M17: 62,653,084 km (0.036 R)
• M18: 63,519,705 km (0.092 R)
• M19: 75,035,898 km (0.071 R)
• M20: 78,995,305 km (0.118 R)
• M21: 93,665,022 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 15,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit