🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.48 AU - 0.52 AU

Year: 129 Days

Day: 29.9 Hours

Environment

Temp: 243 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,679,709 km

• M1: 35,006 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.84 AU - 1.24 AU

Year: 387 Days

Day: 37 Hours

Environment

Temp: 15 °C

Axial Tilt: 3.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 76,679,709 km

• M1: 16,456 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.4 AU - 2.02 AU

Year: 817 Days

Day: 15.8 Hours

Environment

Temp: -44 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.4

Radius: 12.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.74 AU - 6.02 AU

Year: 5208 Days

Day: 9.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,679,709 km

• M1: 153,637 km (0.087 R)
• M2: 550,221 km (0.113 R)
• M3: 1,575,565 km (0.069 R)
• M4: 2,054,577 km (0.107 R)
• M5: 2,646,686 km (0.098 R)
• M6: 3,830,304 km (0.095 R)
• M7: 4,220,006 km (0.085 R)
• M8: 4,757,063 km (0.094 R)
• M9: 5,716,583 km (0.097 R)
• M10: 6,801,168 km (0.094 R)
• M11: 8,263,786 km (0.073 R)
• M12: 9,608,970 km (0.066 R)
• M13: 10,416,799 km (0.076 R)
• M14: 11,225,525 km (0.106 R)
• M15: 11,712,616 km (0.093 R)
• M16: 12,213,918 km (0.078 R)
• M17: 16,697,366 km (0.054 R)
• M18: 18,652,461 km (0.109 R)
• M19: 20,558,188 km (0.059 R)
• M20: 21,693,935 km (0.109 R)
• M21: 22,941,731 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 11.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.02 AU - 7.5 AU

Year: 6420 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,679,709 km

• M1: 141,819 km (0.117 R)
• M2: 670,647 km (0.108 R)
• M3: 1,197,381 km (0.067 R)
• M4: 1,862,344 km (0.031 R)
• M5: 2,525,212 km (0.104 R)
• M6: 4,907,259 km (0.053 R)
• M7: 5,545,743 km (0.099 R)
• M8: 6,606,541 km (0.077 R)
• M9: 7,759,791 km (0.072 R)
• M10: 8,627,309 km (0.119 R)
• M11: 10,230,849 km (0.112 R)
• M12: 10,838,815 km (0.033 R)
• M13: 11,520,382 km (0.047 R)
• M14: 12,915,383 km (0.104 R)
• M15: 14,075,963 km (0.056 R)
• M16: 15,364,898 km (0.105 R)
• M17: 22,229,944 km (0.107 R)
• M18: 22,697,139 km (0.1 R)
• M19: 23,091,479 km (0.119 R)
• M20: 25,384,814 km (0.046 R)
• M21: 27,826,102 km (0.052 R)
• M22: 29,011,066 km (0.106 R)
• M23: 30,899,440 km (0.097 R)
• M24: 31,775,336 km (0.028 R)
• M25: 34,606,625 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.8

Radius: 13

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.99 AU - 7.99 AU

Year: 6750 Days

Day: 11.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,679,709 km

• M1: 161,715 km (0.092 R)
• M2: 1,138,440 km (0.09 R)
• M3: 1,700,479 km (0.117 R)
• M4: 2,289,296 km (0.052 R)
• M5: 3,437,909 km (0.119 R)
• M6: 4,317,245 km (0.072 R)
• M7: 5,793,776 km (0.093 R)
• M8: 6,302,857 km (0.062 R)
• M9: 7,445,486 km (0.05 R)
• M10: 8,417,872 km (0.06 R)
• M11: 8,954,480 km (0.107 R)
• M12: 9,760,663 km (0.101 R)
• M13: 11,105,248 km (0.078 R)
• M14: 11,893,330 km (0.084 R)
• M15: 14,266,850 km (0.045 R)
• M16: 15,423,391 km (0.115 R)
• M17: 17,735,576 km (0.111 R)
• M18: 18,491,344 km (0.085 R)
• M19: 24,166,489 km (0.025 R)
• M20: 26,209,547 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.2

Radius: 5.9

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 11.97 AU - 13.81 AU

Year: 16903 Days

Day: 21.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,679,709 km

• M1: 74,350 km (0.108 R)
• M2: 274,063 km (0.056 R)
• M3: 610,808 km (0.075 R)
• M4: 964,308 km (0.04 R)
• M5: 3,103,557 km (0.076 R)
• M6: 3,545,021 km (0.104 R)
• M7: 4,027,623 km (0.091 R)
• M8: 5,459,275 km (0.105 R)
• M9: 5,882,487 km (0.048 R)
• M10: 6,636,012 km (0.062 R)
• M11: 9,629,914 km (0.076 R)
• M12: 11,000,679 km (0.081 R)
• M13: 11,390,980 km (0.112 R)
• M14: 12,921,666 km (0.06 R)
• M15: 13,356,098 km (0.101 R)
• M16: 15,260,180 km (0.057 R)
• M17: 17,943,068 km (0.081 R)
• M18: 19,597,620 km (0.111 R)
• M19: 25,747,439 km (0.048 R)
• M20: 27,034,130 km (0.064 R)
• M21: 27,744,421 km (0.077 R)
• M22: 30,057,952 km (0.086 R)
• M23: 31,595,369 km (0.058 R)
• M24: 32,044,163 km (0.096 R)
• M25: 35,064,843 km (0.06 R)
• M26: 37,015,151 km (0.089 R)
• M27: 38,143,418 km (0.07 R)
• M28: 41,934,677 km (0.117 R)
• M29: 45,683,450 km (0.112 R)
• M30: 46,835,653 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.1

Radius: 4.9

Gravity: 19.45 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 12.51 AU - 20.51 AU

Year: 24503 Days

Day: 20.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,679,709 km

• M1: 61,186 km (0.041 R)
• M2: 319,541 km (0.103 R)
• M3: 546,032 km (0.088 R)
• M4: 711,338 km (0.097 R)
• M5: 1,017,714 km (0.068 R)
• M6: 1,361,490 km (0.061 R)
• M7: 1,760,917 km (0.107 R)
• M8: 3,576,436 km (0.107 R)
• M9: 6,812,687 km (0.11 R)
• M10: 8,015,753 km (0.053 R)
• M11: 11,403,247 km (0.041 R)
• M12: 12,877,983 km (0.088 R)
• M13: 13,230,136 km (0.037 R)
• M14: 16,776,653 km (0.093 R)
• M15: 17,196,574 km (0.106 R)
• M16: 18,409,813 km (0.112 R)
• M17: 18,856,662 km (0.097 R)
• M18: 19,494,248 km (0.108 R)
• M19: 22,188,805 km (0.104 R)
• M20: 25,340,533 km (0.082 R)
• M21: 26,341,193 km (0.115 R)
• M22: 27,367,883 km (0.105 R)
• M23: 28,539,683 km (0.096 R)
• M24: 32,384,498 km (0.109 R)
• M25: 34,632,655 km (0.111 R)
• M26: 39,584,644 km (0.105 R)
• M27: 41,997,657 km (0.055 R)
• M28: 48,455,498 km (0.116 R)
• M29: 51,919,287 km (0.028 R)
• M30: 56,102,343 km (0.072 R)
• M31: 57,608,494 km (0.043 R)
• M32: 57,989,221 km (0.117 R)
• M33: 63,091,855 km (0.105 R)
• M34: 74,629,591 km (0.111 R)
• M35: 75,763,991 km (0.038 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 12,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit