🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.69 AU - 2.71 AU

Year: 1395 Days

Day: 24 Hours

Environment

Temp: -127 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.2

Radius: 9.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.04 AU - 5.54 AU

Year: 4482 Days

Day: 13 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,436,804 km

• M1: 122,221 km (0.118 R)
• M2: 440,117 km (0.117 R)
• M3: 1,623,436 km (0.09 R)
• M4: 2,203,427 km (0.053 R)
• M5: 2,593,578 km (0.059 R)
• M6: 3,318,230 km (0.108 R)
• M7: 3,699,855 km (0.093 R)
• M8: 4,131,145 km (0.094 R)
• M9: 5,529,885 km (0.098 R)
• M10: 6,095,216 km (0.111 R)
• M11: 6,585,897 km (0.097 R)
• M12: 7,677,512 km (0.054 R)
• M13: 8,120,621 km (0.073 R)
• M14: 9,058,151 km (0.098 R)
• M15: 10,870,080 km (0.038 R)
• M16: 12,007,623 km (0.106 R)
• M17: 16,512,613 km (0.117 R)
• M18: 18,570,481 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 8.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.34 AU - 5.28 AU

Year: 4510 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,436,804 km

• M1: 102,624 km (0.075 R)
• M2: 445,353 km (0.03 R)
• M3: 713,283 km (0.042 R)
• M4: 1,039,855 km (0.058 R)
• M5: 1,317,957 km (0.105 R)
• M6: 3,118,218 km (0.113 R)
• M7: 3,562,224 km (0.103 R)
• M8: 4,028,371 km (0.097 R)
• M9: 4,327,268 km (0.115 R)
• M10: 4,858,340 km (0.097 R)
• M11: 5,625,179 km (0.083 R)
• M12: 7,545,268 km (0.074 R)
• M13: 8,767,782 km (0.102 R)
• M14: 9,271,478 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.91 AU - 7.99 AU

Year: 7003 Days

Day: 5.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,436,804 km

• M1: 99,632 km (0.101 R)
• M2: 561,441 km (0.079 R)
• M3: 1,187,807 km (0.112 R)
• M4: 1,620,444 km (0.114 R)
• M5: 2,078,064 km (0.071 R)
• M6: 2,857,469 km (0.087 R)
• M7: 4,198,763 km (0.081 R)
• M8: 5,642,233 km (0.092 R)
• M9: 7,535,095 km (0.1 R)
• M10: 8,019,792 km (0.077 R)
• M11: 8,969,290 km (0.054 R)
• M12: 9,772,631 km (0.115 R)
• M13: 11,042,716 km (0.069 R)
• M14: 12,521,791 km (0.108 R)
• M15: 14,923,584 km (0.046 R)
• M16: 15,332,136 km (0.079 R)
• M17: 15,928,732 km (0.066 R)
• M18: 22,238,471 km (0.12 R)
• M19: 22,542,006 km (0.049 R)
• M20: 23,235,392 km (0.117 R)
• M21: 23,626,590 km (0.058 R)
• M22: 27,784,214 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.7

Radius: 13.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.38 AU - 6.7 AU

Year: 7150 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,436,804 km

• M1: 167,250 km (0.092 R)
• M2: 655,239 km (0.084 R)
• M3: 1,217,577 km (0.098 R)
• M4: 2,816,479 km (0.093 R)
• M5: 5,768,793 km (0.099 R)
• M6: 6,415,804 km (0.108 R)
• M7: 7,892,185 km (0.104 R)
• M8: 8,928,749 km (0.107 R)
• M9: 11,038,976 km (0.12 R)
• M10: 13,836,756 km (0.101 R)
• M11: 15,457,798 km (0.119 R)
• M12: 17,201,960 km (0.087 R)
• M13: 18,874,315 km (0.086 R)
• M14: 23,449,317 km (0.091 R)
• M15: 28,979,950 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.5

Radius: 3.6

Gravity: 54.98 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 10.51 AU - 15.37 AU

Year: 19899 Days

Day: 16.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 42,436,804 km

• M1: 44,879 km (0.047 R)
• M2: 237,861 km (0.098 R)
• M3: 1,003,652 km (0.093 R)
• M4: 1,318,107 km (0.032 R)
• M5: 1,917,546 km (0.027 R)
• M6: 2,097,362 km (0.087 R)
• M7: 2,266,557 km (0.117 R)
• M8: 2,399,400 km (0.098 R)
• M9: 2,854,776 km (0.117 R)
• M10: 3,480,245 km (0.088 R)
• M11: 3,657,369 km (0.11 R)
• M12: 3,965,989 km (0.099 R)
• M13: 5,493,533 km (0.104 R)
• M14: 5,733,937 km (0.092 R)
• M15: 6,630,626 km (0.106 R)
• M16: 9,471,640 km (0.042 R)
• M17: 10,594,671 km (0.057 R)
• M18: 15,339,317 km (0.067 R)
• M19: 19,429,023 km (0.114 R)
• M20: 21,623,325 km (0.117 R)
• M21: 23,451,710 km (0.111 R)
• M22: 24,083,312 km (0.061 R)
• M23: 24,726,134 km (0.065 R)
• M24: 25,601,132 km (0.116 R)
• M25: 26,496,476 km (0.097 R)
• M26: 27,296,824 km (0.047 R)
• M27: 30,163,119 km (0.114 R)
• M28: 32,440,149 km (0.104 R)
• M29: 37,904,660 km (0.108 R)
• M30: 38,919,980 km (0.081 R)
• M31: 39,656,301 km (0.08 R)
• M32: 46,047,272 km (0.025 R)
• M33: 46,375,490 km (0.087 R)
• M34: 49,399,760 km (0.071 R)
• M35: 49,916,322 km (0.116 R)
• M36: 50,436,324 km (0.047 R)
• M37: 61,412,918 km (0.112 R)
• M38: 62,812,107 km (0.074 R)
• M39: 64,437,039 km (0.109 R)
• M40: 69,264,562 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.4

Radius: 7.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.49 AU - 18.09 AU

Year: 24315 Days

Day: 17.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,436,804 km

• M1: 96,341 km (0.094 R)
• M2: 377,136 km (0.119 R)
• M3: 929,152 km (0.088 R)
• M4: 1,483,263 km (0.026 R)
• M5: 2,154,658 km (0.082 R)
• M6: 2,685,431 km (0.043 R)
• M7: 3,078,425 km (0.118 R)
• M8: 4,576,498 km (0.113 R)
• M9: 6,015,031 km (0.112 R)
• M10: 11,352,085 km (0.093 R)
• M11: 14,869,131 km (0.089 R)
• M12: 16,231,070 km (0.095 R)
• M13: 24,746,031 km (0.106 R)
• M14: 27,499,529 km (0.1 R)
• M15: 30,859,647 km (0.045 R)
• M16: 33,281,786 km (0.098 R)
• M17: 34,043,389 km (0.099 R)
• M18: 37,206,337 km (0.12 R)
• M19: 37,673,531 km (0.067 R)
• M20: 38,858,945 km (0.115 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: 169 - 14,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit