🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.49 AU - 0.59 AU

Year: 252 Days

Day: 30.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.5

Radius: 12.5

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.63 AU - 0.89 AU

Year: 421 Days

Day: 10.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,566,224 km

• M1: 155,432 km (0.074 R)
• M2: 650,601 km (0.075 R)
• M3: 1,272,779 km (0.105 R)
• M4: 1,675,795 km (0.056 R)
• M5: 2,219,135 km (0.118 R)
• M6: 3,249,266 km (0.079 R)
• M7: 3,716,310 km (0.095 R)
• M8: 4,284,633 km (0.074 R)
• M9: 4,725,647 km (0.105 R)
• M10: 5,461,070 km (0.119 R)
• M11: 6,016,826 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.9

Radius: 14.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.98 AU - 1.14 AU

Year: 694 Days

Day: 13.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,566,224 km

• M1: 181,163 km (0.099 R)
• M2: 670,797 km (0.11 R)
• M3: 1,133,952 km (0.101 R)
• M4: 2,042,909 km (0.092 R)
• M5: 2,771,899 km (0.059 R)
• M6: 3,882,962 km (0.059 R)
• M7: 4,838,444 km (0.096 R)
• M8: 5,546,790 km (0.111 R)
• M9: 6,632,870 km (0.106 R)
• M10: 7,485,877 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 11.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.73 AU - 2.51 AU

Year: 1963 Days

Day: 8.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,566,224 km

• M1: 144,212 km (0.038 R)
• M2: 736,770 km (0.108 R)
• M3: 1,303,297 km (0.032 R)
• M4: 2,017,028 km (0.092 R)
• M5: 2,408,077 km (0.09 R)
• M6: 2,962,038 km (0.037 R)
• M7: 3,697,760 km (0.06 R)
• M8: 4,091,651 km (0.115 R)
• M9: 4,667,005 km (0.055 R)
• M10: 6,574,677 km (0.105 R)
• M11: 7,472,563 km (0.088 R)
• M12: 8,077,687 km (0.109 R)
• M13: 9,638,142 km (0.074 R)
• M14: 10,123,587 km (0.097 R)
• M15: 11,642,155 km (0.079 R)
• M16: 12,456,117 km (0.069 R)
• M17: 12,915,831 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 13.3

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.76 AU - 3.9 AU

Year: 4766 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,566,224 km

• M1: 165,455 km (0.117 R)
• M2: 850,015 km (0.042 R)
• M3: 1,403,677 km (0.066 R)
• M4: 1,881,193 km (0.111 R)
• M5: 2,515,339 km (0.11 R)
• M6: 2,990,910 km (0.094 R)
• M7: 4,379,627 km (0.03 R)
• M8: 5,312,220 km (0.108 R)
• M9: 7,299,479 km (0.11 R)
• M10: 9,028,082 km (0.053 R)
• M11: 9,741,963 km (0.102 R)
• M12: 10,450,608 km (0.088 R)
• M13: 11,282,971 km (0.068 R)
• M14: 14,521,316 km (0.057 R)
• M15: 16,410,886 km (0.062 R)
• M16: 22,697,139 km (0.107 R)
• M17: 24,393,728 km (0.047 R)
• M18: 27,216,789 km (0.028 R)

Asteroid Belt

Center: 5.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.6

Radius: 3.6

Gravity: 37.24 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.89 AU - 8.79 AU

Year: 12644 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,566,224 km

• M1: 44,730 km (0.083 R)
• M2: 553,961 km (0.063 R)
• M3: 699,669 km (0.099 R)
• M4: 870,959 km (0.043 R)
• M5: 2,408,376 km (0.099 R)
• M6: 2,630,529 km (0.075 R)
• M7: 3,404,100 km (0.072 R)
• M8: 3,631,788 km (0.075 R)
• M9: 4,061,881 km (0.106 R)
• M10: 4,494,967 km (0.089 R)
• M11: 6,235,838 km (0.026 R)
• M12: 7,547,063 km (0.109 R)
• M13: 13,291,023 km (0.049 R)
• M14: 15,098,016 km (0.05 R)
• M15: 15,850,493 km (0.066 R)
• M16: 16,627,654 km (0.112 R)
• M17: 16,916,527 km (0.067 R)
• M18: 24,798,241 km (0.067 R)
• M19: 30,752,535 km (0.111 R)
• M20: 41,297,988 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.8

Radius: 3.3

Gravity: 20.73 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 9.58 AU - 12.72 AU

Year: 23673 Days

Day: 19.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,566,224 km

• M1: 40,990 km (0.117 R)
• M2: 161,416 km (0.092 R)
• M3: 710,440 km (0.037 R)
• M4: 1,444,966 km (0.06 R)
• M5: 1,708,557 km (0.114 R)
• M6: 2,153,162 km (0.113 R)
• M7: 2,648,331 km (0.08 R)
• M8: 3,554,296 km (0.103 R)
• M9: 3,887,749 km (0.104 R)
• M10: 4,062,181 km (0.067 R)
• M11: 4,812,264 km (0.091 R)
• M12: 5,836,561 km (0.05 R)
• M13: 7,610,193 km (0.096 R)
• M14: 8,890,302 km (0.111 R)
• M15: 9,872,711 km (0.111 R)
• M16: 12,483,643 km (0.105 R)
• M17: 16,330,852 km (0.098 R)
• M18: 19,856,275 km (0.038 R)
• M19: 21,704,557 km (0.068 R)
• M20: 22,345,284 km (0.099 R)
• M21: 26,044,840 km (0.052 R)
• M22: 30,019,655 km (0.108 R)
• M23: 31,623,344 km (0.118 R)
• M24: 33,646,207 km (0.105 R)
• M25: 34,380,283 km (0.118 R)
• M26: 37,293,253 km (0.059 R)
• M27: 41,056,088 km (0.109 R)
• M28: 41,473,616 km (0.028 R)
• M29: 49,482,039 km (0.062 R)
• M30: 49,796,942 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.5

Radius: 7

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.68 AU - 14.04 AU

Year: 24344 Days

Day: 16.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,566,224 km

• M1: 87,216 km (0.112 R)
• M2: 417,827 km (0.072 R)
• M3: 637,137 km (0.072 R)
• M4: 1,422,676 km (0.096 R)
• M5: 2,372,024 km (0.114 R)
• M6: 2,887,987 km (0.06 R)
• M7: 3,272,005 km (0.045 R)
• M8: 3,879,073 km (0.106 R)
• M9: 5,315,212 km (0.102 R)
• M10: 8,138,872 km (0.11 R)
• M11: 9,075,504 km (0.103 R)
• M12: 10,143,633 km (0.08 R)
• M13: 13,030,274 km (0.073 R)
• M14: 16,678,966 km (0.085 R)
• M15: 19,776,839 km (0.069 R)
• M16: 20,164,895 km (0.09 R)
• M17: 22,917,646 km (0.094 R)
• M18: 24,886,055 km (0.115 R)
• M19: 32,796,341 km (0.107 R)
• M20: 38,205,950 km (0.087 R)
• M21: 41,594,641 km (0.111 R)
• M22: 48,610,482 km (0.106 R)
• M23: 51,844,339 km (0.026 R)
• M24: 56,959,688 km (0.071 R)
• M25: 59,337,247 km (0.103 R)
• M26: 66,431,777 km (0.085 R)
• M27: 67,301,988 km (0.069 R)
• M28: 71,766,587 km (0.063 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: 194 - 15,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit