🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.97 AU - 0.99 AU

Year: 362 Days

Day: 32.3 Hours

Environment

Temp: 20 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.17 AU - 1.31 AU

Year: 515 Days

Day: 14 Hours

Environment

Temp: -7 °C

Axial Tilt: 4.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,320,974 km

• M1: 51,462 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.04 AU - 3.9 AU

Year: 2410 Days

Day: 24.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.7

Radius: 8

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.44 AU - 5.7 AU

Year: 3642 Days

Day: 10.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,320,974 km

• M1: 99,483 km (0.077 R)
• M2: 435,928 km (0.117 R)
• M3: 775,515 km (0.115 R)
• M4: 1,371,962 km (0.102 R)
• M5: 2,655,063 km (0.096 R)
• M6: 3,306,412 km (0.112 R)
• M7: 3,607,403 km (0.095 R)
• M8: 4,429,443 km (0.102 R)
• M9: 4,696,476 km (0.063 R)
• M10: 4,974,129 km (0.101 R)
• M11: 6,107,782 km (0.09 R)
• M12: 7,608,996 km (0.108 R)
• M13: 8,208,136 km (0.096 R)
• M14: 10,835,374 km (0.058 R)
• M15: 14,288,990 km (0.114 R)
• M16: 14,766,656 km (0.087 R)
• M17: 16,842,925 km (0.078 R)
• M18: 21,496,466 km (0.108 R)
• M19: 22,264,651 km (0.119 R)
• M20: 22,619,946 km (0.115 R)
• M21: 24,153,175 km (0.089 R)
• M22: 24,831,152 km (0.085 R)
• M23: 25,832,560 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 12.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.22 AU - 6.26 AU

Year: 5811 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,320,974 km

• M1: 153,188 km (0.069 R)
• M2: 616,942 km (0.083 R)
• M3: 1,443,919 km (0.083 R)
• M4: 2,438,296 km (0.059 R)
• M5: 3,386,297 km (0.114 R)
• M6: 4,344,771 km (0.072 R)
• M7: 5,527,193 km (0.052 R)
• M8: 6,590,085 km (0.116 R)
• M9: 7,914,924 km (0.059 R)
• M10: 10,244,313 km (0.086 R)
• M11: 15,843,611 km (0.099 R)
• M12: 16,319,632 km (0.117 R)
• M13: 17,244,745 km (0.092 R)
• M14: 17,635,644 km (0.114 R)
• M15: 18,032,677 km (0.101 R)
• M16: 18,962,278 km (0.073 R)
• M17: 20,603,068 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.3

Radius: 11.6

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.16 AU - 10.26 AU

Year: 9583 Days

Day: 12.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,320,974 km

• M1: 144,362 km (0.079 R)
• M2: 588,069 km (0.08 R)
• M3: 1,156,541 km (0.094 R)
• M4: 1,749,248 km (0.074 R)
• M5: 2,142,391 km (0.038 R)
• M6: 2,594,925 km (0.078 R)
• M7: 3,045,663 km (0.077 R)
• M8: 3,596,931 km (0.095 R)
• M9: 4,027,025 km (0.108 R)
• M10: 4,840,538 km (0.087 R)
• M11: 6,793,389 km (0.1 R)
• M12: 7,987,479 km (0.106 R)
• M13: 8,502,694 km (0.051 R)
• M14: 9,131,454 km (0.088 R)
• M15: 10,381,643 km (0.099 R)
• M16: 11,152,970 km (0.11 R)
• M17: 14,249,347 km (0.036 R)
• M18: 15,727,374 km (0.029 R)
• M19: 17,093,501 km (0.066 R)
• M20: 18,760,620 km (0.094 R)
• M21: 21,094,945 km (0.105 R)
• M22: 23,616,567 km (0.118 R)
• M23: 26,332,816 km (0.111 R)
• M24: 28,650,685 km (0.11 R)
• M25: 30,476,228 km (0.05 R)
• M26: 34,582,540 km (0.103 R)
• M27: 37,121,216 km (0.087 R)
• M28: 41,794,504 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.6

Radius: 5.8

Gravity: 27.13 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 13.21 AU - 13.27 AU

Year: 17959 Days

Day: 23.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,320,974 km

• M1: 72,106 km (0.103 R)
• M2: 379,231 km (0.088 R)
• M3: 685,607 km (0.088 R)
• M4: 1,175,540 km (0.051 R)
• M5: 2,174,255 km (0.085 R)
• M6: 3,353,236 km (0.073 R)
• M7: 3,614,434 km (0.119 R)
• M8: 5,758,172 km (0.093 R)
• M9: 10,521,667 km (0.115 R)
• M10: 17,743,654 km (0.059 R)
• M11: 27,468,862 km (0.08 R)
• M12: 31,365,737 km (0.063 R)
• M13: 37,160,560 km (0.109 R)
• M14: 52,228,805 km (0.067 R)
• M15: 53,309,052 km (0.061 R)
• M16: 53,672,425 km (0.07 R)
• M17: 53,854,785 km (0.089 R)
• M18: 55,142,523 km (0.067 R)
• M19: 60,302,303 km (0.1 R)
• M20: 61,890,584 km (0.08 R)
• M21: 70,908,643 km (0.106 R)
• M22: 72,677,638 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.5

Radius: 4.1

Gravity: 43.87 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 16.6 AU - 18.64 AU

Year: 27572 Days

Day: 15.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,320,974 km

• M1: 55,950 km (0.04 R)
• M2: 248,781 km (0.11 R)
• M3: 1,303,895 km (0.098 R)
• M4: 2,955,156 km (0.087 R)
• M5: 3,457,955 km (0.088 R)
• M6: 5,432,796 km (0.098 R)
• M7: 6,276,379 km (0.111 R)
• M8: 6,464,573 km (0.068 R)
• M9: 9,265,793 km (0.072 R)
• M10: 11,065,455 km (0.111 R)
• M11: 16,378,274 km (0.11 R)
• M12: 18,025,047 km (0.036 R)
• M13: 22,181,475 km (0.058 R)
• M14: 22,399,140 km (0.114 R)
• M15: 25,478,911 km (0.103 R)
• M16: 25,717,669 km (0.108 R)
• M17: 26,078,649 km (0.116 R)
• M18: 29,088,558 km (0.112 R)
• M19: 39,972,401 km (0.072 R)
• M20: 50,603,425 km (0.083 R)
• M21: 66,069,301 km (0.078 R)
• M22: 66,746,082 km (0.108 R)
• M23: 79,475,664 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.2

Radius: 3.1

Gravity: 38.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 17.32 AU - 21.74 AU

Year: 32174 Days

Day: 20.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,320,974 km

• M1: 38,596 km (0.093 R)
• M2: 143,016 km (0.109 R)
• M3: 293,212 km (0.111 R)
• M4: 651,648 km (0.075 R)
• M5: 1,339,350 km (0.071 R)
• M6: 2,272,840 km (0.09 R)
• M7: 8,339,632 km (0.112 R)
• M8: 14,935,403 km (0.101 R)
• M9: 15,584,209 km (0.061 R)
• M10: 15,915,568 km (0.113 R)
• M11: 17,912,400 km (0.112 R)
• M12: 22,499,819 km (0.102 R)
• M13: 25,803,389 km (0.107 R)
• M14: 27,330,035 km (0.11 R)
• M15: 28,668,038 km (0.072 R)
• M16: 34,178,476 km (0.118 R)
• M17: 45,697,662 km (0.103 R)
• M18: 47,060,498 km (0.114 R)
• M19: 82,537,484 km (0.072 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: 519 - 10,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit