🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.73 AU - 1.07 AU

Year: 317 Days

Day: 21.9 Hours

Environment

Temp: 27 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 73,871,206 km

• M1: 60,438 km (0.116 R)
• M2: 251,773 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.6 AU - 1.84 AU

Year: 837 Days

Day: 23.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,871,206 km

• M1: 485,894 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.58 AU - 2.18 AU

Year: 956 Days

Day: 32.2 Hours

Environment

Temp: -67 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,871,206 km

• M1: 55,202 km (0.109 R)
• M2: 1,009,337 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.04 AU - 3.96 AU

Year: 2428 Days

Day: 12.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.4

Radius: 13.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.72 AU - 5.84 AU

Year: 5153 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,871,206 km

• M1: 193,430 km (0.112 R)
• M2: 444,006 km (0.063 R)
• M3: 739,761 km (0.111 R)
• M4: 1,141,282 km (0.113 R)
• M5: 1,435,242 km (0.1 R)
• M6: 2,005,958 km (0.118 R)
• M7: 2,907,734 km (0.085 R)
• M8: 3,483,835 km (0.079 R)
• M9: 3,946,691 km (0.073 R)
• M10: 4,200,259 km (0.04 R)
• M11: 4,870,009 km (0.111 R)
• M12: 5,200,172 km (0.098 R)
• M13: 6,390,223 km (0.107 R)
• M14: 7,215,853 km (0.092 R)
• M15: 7,560,527 km (0.113 R)
• M16: 8,458,114 km (0.034 R)
• M17: 11,067,550 km (0.085 R)
• M18: 11,712,017 km (0.074 R)
• M19: 12,789,122 km (0.119 R)
• M20: 14,636,656 km (0.114 R)
• M21: 16,653,833 km (0.083 R)
• M22: 17,981,365 km (0.099 R)
• M23: 19,080,311 km (0.09 R)
• M24: 24,222,738 km (0.079 R)
• M25: 26,639,192 km (0.073 R)
• M26: 27,806,504 km (0.069 R)
• M27: 28,088,197 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.9

Radius: 8.9

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.33 AU - 7.65 AU

Year: 6854 Days

Day: 6.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,871,206 km

• M1: 134,788 km (0.114 R)
• M2: 358,436 km (0.084 R)
• M3: 571,314 km (0.053 R)
• M4: 1,127,669 km (0.07 R)
• M5: 1,361,341 km (0.109 R)
• M6: 1,918,593 km (0.107 R)
• M7: 2,764,269 km (0.086 R)
• M8: 5,738,874 km (0.093 R)
• M9: 6,272,340 km (0.054 R)
• M10: 8,460,059 km (0.12 R)
• M11: 9,618,395 km (0.065 R)
• M12: 11,672,075 km (0.089 R)
• M13: 14,656,702 km (0.092 R)
• M14: 17,603,032 km (0.087 R)
• M15: 17,929,006 km (0.069 R)
• M16: 19,775,343 km (0.101 R)
• M17: 19,947,829 km (0.104 R)
• M18: 21,652,796 km (0.093 R)
• M19: 23,490,606 km (0.058 R)
• M20: 24,757,550 km (0.09 R)
• M21: 25,926,358 km (0.101 R)
• M22: 29,106,061 km (0.084 R)
• M23: 29,876,939 km (0.096 R)
• M24: 31,521,319 km (0.104 R)
• M25: 37,823,278 km (0.06 R)
• M26: 38,701,717 km (0.091 R)
• M27: 39,185,068 km (0.098 R)
• M28: 39,752,792 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.2

Radius: 3.6

Gravity: 61.74 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 10.65 AU - 15.65 AU

Year: 17685 Days

Day: 17.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,871,206 km

• M1: 94,695 km (0.091 R)
• M2: 194,178 km (0.117 R)
• M3: 1,161,029 km (0.032 R)
• M4: 1,330,374 km (0.093 R)
• M5: 1,817,315 km (0.085 R)
• M6: 2,252,944 km (0.08 R)
• M7: 4,729,985 km (0.09 R)
• M8: 5,265,097 km (0.084 R)
• M9: 5,503,257 km (0.117 R)
• M10: 6,729,211 km (0.118 R)
• M11: 8,877,287 km (0.106 R)
• M12: 10,036,222 km (0.088 R)
• M13: 11,614,479 km (0.09 R)
• M14: 14,589,383 km (0.038 R)
• M15: 15,184,932 km (0.069 R)
• M16: 15,724,382 km (0.079 R)
• M17: 19,994,653 km (0.062 R)
• M18: 23,347,590 km (0.086 R)
• M19: 25,901,824 km (0.118 R)
• M20: 27,678,299 km (0.079 R)
• M21: 30,643,777 km (0.074 R)
• M22: 31,891,573 km (0.048 R)
• M23: 37,551,908 km (0.072 R)
• M24: 42,435,680 km (0.075 R)
• M25: 42,884,324 km (0.112 R)
• M26: 43,222,266 km (0.1 R)
• M27: 44,472,904 km (0.118 R)
• M28: 45,857,582 km (0.097 R)
• M29: 49,896,275 km (0.099 R)
• M30: 54,231,921 km (0.053 R)
• M31: 55,760,063 km (0.052 R)
• M32: 59,806,087 km (0.08 R)
• M33: 60,071,923 km (0.084 R)
• M34: 62,899,472 km (0.091 R)
• M35: 67,333,403 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.1

Radius: 7.6

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 17.45 AU - 17.45 AU

Year: 27033 Days

Day: 16.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,871,206 km

• M1: 257,458 km (0.113 R)
• M2: 476,918 km (0.096 R)
• M3: 1,710,502 km (0.082 R)
• M4: 2,674,361 km (0.092 R)
• M5: 3,134,823 km (0.088 R)
• M6: 3,730,522 km (0.119 R)
• M7: 7,414,968 km (0.119 R)
• M8: 9,709,201 km (0.062 R)
• M9: 10,031,435 km (0.081 R)
• M10: 12,739,605 km (0.119 R)
• M11: 14,442,627 km (0.103 R)
• M12: 21,211,183 km (0.093 R)
• M13: 29,283,634 km (0.101 R)
• M14: 31,265,207 km (0.078 R)
• M15: 35,117,801 km (0.099 R)
• M16: 38,340,289 km (0.101 R)
• M17: 42,149,050 km (0.094 R)
• M18: 44,292,339 km (0.047 R)
• M19: 47,429,706 km (0.088 R)
• M20: 57,487,171 km (0.112 R)
• M21: 62,132,484 km (0.115 R)
• M22: 62,403,405 km (0.056 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 19,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit