🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.45 AU - 0.75 AU

Year: 175 Days

Day: 28.4 Hours

Environment

Temp: 135 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 71,992,944 km

• M1: 21,542 km (0.089 R)
• M2: 149,747 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.66 AU - 2.52 AU

Year: 1138 Days

Day: 25.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.04 AU - 3.88 AU

Year: 2425 Days

Day: 41.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.7

Radius: 13.2

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.92 AU - 13.14 AU

Year: 12873 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,992,944 km

• M1: 165,306 km (0.035 R)
• M2: 614,398 km (0.108 R)
• M3: 3,132,430 km (0.069 R)
• M4: 4,235,864 km (0.067 R)
• M5: 4,931,643 km (0.115 R)
• M6: 6,292,236 km (0.052 R)
• M7: 7,889,792 km (0.05 R)
• M8: 8,425,950 km (0.066 R)
• M9: 9,150,902 km (0.097 R)
• M10: 13,741,761 km (0.088 R)
• M11: 17,992,884 km (0.074 R)
• M12: 19,059,666 km (0.074 R)
• M13: 21,687,802 km (0.069 R)
• M14: 31,865,842 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 11.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.39 AU - 12.95 AU

Year: 14064 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,992,944 km

• M1: 155,133 km (0.062 R)
• M2: 555,307 km (0.053 R)
• M3: 1,564,794 km (0.04 R)
• M4: 2,965,778 km (0.119 R)
• M5: 3,432,822 km (0.078 R)
• M6: 3,846,460 km (0.074 R)
• M7: 4,893,346 km (0.068 R)
• M8: 9,786,394 km (0.109 R)
• M9: 13,423,267 km (0.091 R)
• M10: 14,270,739 km (0.097 R)
• M11: 14,961,133 km (0.119 R)
• M12: 16,341,174 km (0.082 R)
• M13: 16,750,623 km (0.041 R)
• M14: 17,448,348 km (0.071 R)
• M15: 25,987,394 km (0.117 R)
• M16: 26,545,843 km (0.081 R)
• M17: 27,494,293 km (0.11 R)
• M18: 30,066,030 km (0.088 R)
• M19: 32,044,014 km (0.113 R)
• M20: 32,686,237 km (0.028 R)
• M21: 35,568,988 km (0.027 R)
• M22: 36,605,253 km (0.093 R)
• M23: 37,189,582 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.5

Radius: 4.2

Gravity: 21.68 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 10.59 AU - 15.83 AU

Year: 18088 Days

Day: 19.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,992,944 km

• M1: 53,706 km (0.094 R)
• M2: 189,989 km (0.058 R)
• M3: 571,464 km (0.09 R)
• M4: 2,715,949 km (0.062 R)
• M5: 4,116,784 km (0.105 R)
• M6: 5,458,527 km (0.12 R)
• M7: 6,053,179 km (0.102 R)
• M8: 6,731,156 km (0.073 R)
• M9: 7,547,213 km (0.075 R)
• M10: 10,723,774 km (0.096 R)
• M11: 15,543,368 km (0.113 R)
• M12: 23,297,924 km (0.053 R)
• M13: 25,853,055 km (0.112 R)
• M14: 37,289,364 km (0.094 R)
• M15: 39,137,645 km (0.12 R)
• M16: 39,271,984 km (0.114 R)
• M17: 43,445,914 km (0.074 R)
• M18: 47,446,760 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.1

Radius: 7

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 10.26 AU - 16.36 AU

Year: 18293 Days

Day: 15.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,992,944 km

• M1: 132,095 km (0.094 R)
• M2: 447,447 km (0.075 R)
• M3: 836,551 km (0.055 R)
• M4: 2,127,431 km (0.066 R)
• M5: 2,628,285 km (0.071 R)
• M6: 2,894,270 km (0.07 R)
• M7: 3,286,067 km (0.109 R)
• M8: 3,566,563 km (0.097 R)
• M9: 5,444,166 km (0.116 R)
• M10: 6,250,498 km (0.108 R)
• M11: 6,638,256 km (0.118 R)
• M12: 7,087,798 km (0.065 R)
• M13: 8,716,470 km (0.075 R)
• M14: 11,960,799 km (0.032 R)
• M15: 12,424,103 km (0.065 R)
• M16: 13,670,852 km (0.059 R)
• M17: 17,994,529 km (0.108 R)
• M18: 22,346,032 km (0.086 R)
• M19: 24,710,576 km (0.093 R)
• M20: 27,123,740 km (0.049 R)
• M21: 30,051,669 km (0.114 R)
• M22: 30,907,668 km (0.108 R)
• M23: 35,298,366 km (0.058 R)
• M24: 36,803,171 km (0.104 R)
• M25: 37,220,997 km (0.108 R)
• M26: 39,648,223 km (0.106 R)
• M27: 40,677,606 km (0.104 R)
• M28: 41,875,885 km (0.058 R)
• M29: 44,028,897 km (0.048 R)
• M30: 45,132,630 km (0.112 R)
• M31: 49,902,409 km (0.09 R)
• M32: 53,025,713 km (0.053 R)
• M33: 65,796,435 km (0.098 R)
• M34: 67,238,259 km (0.11 R)
• M35: 73,216,489 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.2

Radius: 5.7

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 13.01 AU - 14.49 AU

Year: 19208 Days

Day: 19.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,992,944 km

• M1: 71,957 km (0.117 R)
• M2: 686,804 km (0.043 R)
• M3: 875,596 km (0.088 R)
• M4: 1,739,374 km (0.116 R)
• M5: 7,781,483 km (0.034 R)
• M6: 14,037,067 km (0.081 R)
• M7: 15,732,161 km (0.102 R)
• M8: 18,523,657 km (0.103 R)
• M9: 22,822,801 km (0.102 R)
• M10: 25,810,420 km (0.054 R)
• M11: 28,040,475 km (0.108 R)
• M12: 38,124,419 km (0.059 R)
• M13: 42,701,515 km (0.099 R)
• M14: 44,984,678 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.5

Radius: 5.5

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 13.14 AU - 21.62 AU

Year: 27296 Days

Day: 22.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,992,944 km

• M1: 68,366 km (0.111 R)
• M2: 245,341 km (0.092 R)
• M3: 460,462 km (0.052 R)
• M4: 844,779 km (0.064 R)
• M5: 2,537,479 km (0.025 R)
• M6: 3,652,881 km (0.11 R)
• M7: 6,710,362 km (0.099 R)
• M8: 7,440,848 km (0.06 R)
• M9: 10,416,799 km (0.103 R)
• M10: 15,449,271 km (0.059 R)
• M11: 16,313,797 km (0.117 R)
• M12: 16,880,325 km (0.111 R)
• M13: 17,127,161 km (0.081 R)
• M14: 19,100,357 km (0.066 R)
• M15: 25,919,925 km (0.079 R)
• M16: 28,860,870 km (0.062 R)
• M17: 29,808,722 km (0.093 R)
• M18: 32,016,936 km (0.03 R)
• M19: 37,728,583 km (0.037 R)
• M20: 40,602,208 km (0.075 R)
• M21: 48,916,110 km (0.118 R)
• M22: 49,754,457 km (0.05 R)
• M23: 51,805,443 km (0.099 R)
• M24: 66,937,717 km (0.026 R)
• M25: 67,143,414 km (0.081 R)
• M26: 68,386,871 km (0.089 R)
• M27: 70,068,351 km (0.058 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 10,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit