🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.49 AU - 0.57 AU

Year: 145 Days

Day: 13 Hours

Environment

Temp: 165 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,828,960 km

• M1: 162,014 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.01 AU - 1.55 AU

Year: 546 Days

Day: 30.8 Hours

Environment

Temp: -29 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 11.1

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.53 AU - 4.65 AU

Year: 3705 Days

Day: 12.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,828,960 km

• M1: 138,079 km (0.091 R)
• M2: 513,121 km (0.087 R)
• M3: 1,273,676 km (0.085 R)
• M4: 1,729,202 km (0.028 R)
• M5: 2,475,097 km (0.066 R)
• M6: 4,745,544 km (0.093 R)
• M7: 5,149,608 km (0.072 R)
• M8: 5,770,887 km (0.094 R)
• M9: 7,527,166 km (0.116 R)
• M10: 9,654,897 km (0.061 R)
• M11: 11,697,058 km (0.062 R)
• M12: 12,579,835 km (0.086 R)
• M13: 13,357,295 km (0.073 R)
• M14: 16,675,076 km (0.066 R)
• M15: 19,022,716 km (0.12 R)
• M16: 19,916,862 km (0.063 R)
• M17: 22,484,859 km (0.108 R)
• M18: 24,142,104 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903

Radius: 9.9

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.7 AU - 6.34 AU

Year: 5564 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,828,960 km

• M1: 123,119 km (0.088 R)
• M2: 446,550 km (0.09 R)
• M3: 1,138,290 km (0.068 R)
• M4: 1,503,459 km (0.07 R)
• M5: 1,903,334 km (0.12 R)
• M6: 2,224,969 km (0.102 R)
• M7: 4,115,587 km (0.082 R)
• M8: 5,827,435 km (0.095 R)
• M9: 6,246,160 km (0.07 R)
• M10: 7,180,548 km (0.109 R)
• M11: 9,324,884 km (0.1 R)
• M12: 10,034,576 km (0.059 R)
• M13: 10,637,456 km (0.077 R)
• M14: 11,512,005 km (0.099 R)
• M15: 13,238,514 km (0.077 R)
• M16: 14,020,761 km (0.109 R)
• M17: 14,481,373 km (0.106 R)
• M18: 17,394,642 km (0.064 R)
• M19: 22,191,947 km (0.081 R)
• M20: 22,581,948 km (0.1 R)
• M21: 22,897,151 km (0.116 R)
• M22: 24,850,450 km (0.065 R)
• M23: 25,953,735 km (0.119 R)
• M24: 27,266,905 km (0.07 R)
• M25: 28,257,691 km (0.063 R)
• M26: 29,553,059 km (0.119 R)
• M27: 30,215,479 km (0.109 R)
• M28: 32,662,152 km (0.113 R)
• M29: 33,676,874 km (0.026 R)

Asteroid Belt

Center: 9.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.4

Radius: 6.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 12.38 AU - 13.94 AU

Year: 17985 Days

Day: 19.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,828,960 km

• M1: 86,468 km (0.1 R)
• M2: 368,160 km (0.105 R)
• M3: 2,888,136 km (0.065 R)
• M4: 3,448,979 km (0.079 R)
• M5: 9,675,990 km (0.055 R)
• M6: 12,644,162 km (0.05 R)
• M7: 14,744,366 km (0.113 R)
• M8: 17,295,907 km (0.107 R)
• M9: 17,917,935 km (0.101 R)
• M10: 18,155,048 km (0.117 R)
• M11: 28,474,908 km (0.1 R)
• M12: 29,671,242 km (0.099 R)
• M13: 32,280,378 km (0.086 R)
• M14: 34,426,060 km (0.088 R)
• M15: 45,411,032 km (0.067 R)
• M16: 46,295,903 km (0.069 R)
• M17: 49,794,549 km (0.094 R)
• M18: 52,329,784 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.7

Radius: 3.2

Gravity: 34.64 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 12.09 AU - 14.63 AU

Year: 18397 Days

Day: 23.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,828,960 km

• M1: 59,540 km (0.051 R)
• M2: 238,609 km (0.119 R)
• M3: 501,751 km (0.108 R)
• M4: 931,396 km (0.074 R)
• M5: 1,321,099 km (0.116 R)
• M6: 1,433,746 km (0.089 R)
• M7: 1,646,325 km (0.119 R)
• M8: 2,210,907 km (0.079 R)
• M9: 4,892,299 km (0.102 R)
• M10: 8,833,455 km (0.114 R)
• M11: 10,566,696 km (0.071 R)
• M12: 10,790,943 km (0.11 R)
• M13: 12,327,463 km (0.033 R)
• M14: 14,617,806 km (0.096 R)
• M15: 15,536,038 km (0.045 R)
• M16: 16,567,216 km (0.078 R)
• M17: 17,331,063 km (0.078 R)
• M18: 18,439,434 km (0.107 R)
• M19: 21,865,225 km (0.116 R)
• M20: 23,346,543 km (0.047 R)
• M21: 26,301,849 km (0.085 R)
• M22: 29,276,154 km (0.116 R)
• M23: 37,157,418 km (0.048 R)
• M24: 41,999,004 km (0.042 R)
• M25: 53,072,986 km (0.056 R)
• M26: 54,893,891 km (0.098 R)
• M27: 55,397,587 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.5

Radius: 5.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 13.93 AU - 22.53 AU

Year: 29323 Days

Day: 18.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,828,960 km

• M1: 85,869 km (0.049 R)
• M2: 353,949 km (0.081 R)
• M3: 908,059 km (0.028 R)
• M4: 1,363,734 km (0.077 R)
• M5: 2,243,370 km (0.091 R)
• M6: 3,002,130 km (0.114 R)
• M7: 3,812,651 km (0.108 R)
• M8: 4,112,595 km (0.109 R)
• M9: 5,206,305 km (0.067 R)
• M10: 6,673,561 km (0.105 R)
• M11: 7,191,170 km (0.091 R)
• M12: 8,717,966 km (0.114 R)
• M13: 13,424,614 km (0.057 R)
• M14: 13,611,761 km (0.111 R)
• M15: 15,239,984 km (0.082 R)
• M16: 15,995,902 km (0.104 R)
• M17: 17,881,433 km (0.083 R)
• M18: 24,604,811 km (0.093 R)
• M19: 29,458,514 km (0.083 R)
• M20: 34,678,731 km (0.083 R)
• M21: 36,103,950 km (0.118 R)
• M22: 36,830,996 km (0.09 R)
• M23: 37,815,499 km (0.052 R)
• M24: 44,093,972 km (0.086 R)
• M25: 45,906,650 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 18,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit