🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.44 AU - 0.62 AU

Year: 253 Days

Day: 20.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,768,598 km

• M1: 196,721 km (0.101 R)

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 9.7

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.2 AU - 1.46 AU

Year: 1006 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,768,598 km

• M1: 120,576 km (0.091 R)
• M2: 432,487 km (0.105 R)
• M3: 748,289 km (0.072 R)
• M4: 1,153,100 km (0.096 R)
• M5: 1,782,758 km (0.102 R)
• M6: 2,385,787 km (0.079 R)
• M7: 2,711,013 km (0.1 R)
• M8: 3,039,829 km (0.058 R)
• M9: 3,352,787 km (0.099 R)
• M10: 4,157,474 km (0.054 R)
• M11: 4,579,490 km (0.084 R)
• M12: 6,297,023 km (0.048 R)
• M13: 6,900,800 km (0.113 R)
• M14: 7,941,553 km (0.082 R)
• M15: 9,854,909 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.5

Radius: 14.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.85 AU - 3.13 AU

Year: 3392 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,768,598 km

• M1: 184,604 km (0.097 R)
• M2: 904,918 km (0.074 R)
• M3: 1,488,200 km (0.073 R)
• M4: 2,643,245 km (0.114 R)
• M5: 3,225,629 km (0.108 R)
• M6: 5,124,774 km (0.093 R)
• M7: 6,770,201 km (0.06 R)
• M8: 8,027,272 km (0.095 R)
• M9: 10,012,436 km (0.096 R)
• M10: 12,391,790 km (0.118 R)
• M11: 13,218,318 km (0.096 R)
• M12: 14,503,065 km (0.096 R)
• M13: 16,071,449 km (0.116 R)
• M14: 16,740,002 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 12.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.94 AU - 6.22 AU

Year: 7511 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,768,598 km

• M1: 158,125 km (0.102 R)
• M2: 780,602 km (0.116 R)
• M3: 1,642,435 km (0.079 R)
• M4: 2,300,217 km (0.111 R)
• M5: 3,252,557 km (0.073 R)
• M6: 5,053,117 km (0.096 R)
• M7: 5,801,106 km (0.088 R)
• M8: 7,783,428 km (0.117 R)
• M9: 8,413,085 km (0.095 R)
• M10: 9,247,692 km (0.109 R)
• M11: 11,778,140 km (0.103 R)
• M12: 12,609,006 km (0.085 R)
• M13: 14,099,450 km (0.093 R)
• M14: 14,680,189 km (0.079 R)
• M15: 18,232,988 km (0.045 R)
• M16: 18,783,509 km (0.12 R)
• M17: 21,475,074 km (0.084 R)
• M18: 24,166,489 km (0.082 R)
• M19: 25,764,643 km (0.077 R)
• M20: 27,973,455 km (0.047 R)
• M21: 32,163,093 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.2

Radius: 3.7

Gravity: 55.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.64 AU - 8.16 AU

Year: 13206 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,768,598 km

• M1: 46,076 km (0.108 R)
• M2: 189,989 km (0.087 R)
• M3: 334,800 km (0.109 R)
• M4: 503,546 km (0.092 R)
• M5: 812,765 km (0.115 R)
• M6: 981,063 km (0.076 R)
• M7: 1,490,444 km (0.091 R)
• M8: 3,381,959 km (0.11 R)
• M9: 3,650,786 km (0.115 R)
• M10: 11,304,662 km (0.049 R)
• M11: 13,364,027 km (0.109 R)
• M12: 16,940,014 km (0.102 R)
• M13: 21,646,363 km (0.105 R)
• M14: 27,154,557 km (0.047 R)
• M15: 27,366,836 km (0.098 R)
• M16: 35,515,881 km (0.083 R)
• M17: 37,188,235 km (0.118 R)
• M18: 41,106,802 km (0.068 R)
• M19: 43,382,186 km (0.073 R)
• M20: 46,191,484 km (0.089 R)
• M21: 50,069,510 km (0.103 R)
• M22: 56,716,442 km (0.057 R)
• M23: 59,174,934 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.8

Radius: 7.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.54 AU - 11.08 AU

Year: 20156 Days

Day: 20.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,768,598 km

• M1: 97,089 km (0.102 R)
• M2: 380,427 km (0.095 R)
• M3: 816,655 km (0.091 R)
• M4: 1,089,671 km (0.099 R)
• M5: 1,723,218 km (0.101 R)
• M6: 2,083,300 km (0.097 R)
• M7: 2,559,171 km (0.11 R)
• M8: 4,493,621 km (0.095 R)
• M9: 4,828,271 km (0.101 R)
• M10: 5,143,474 km (0.11 R)
• M11: 5,815,617 km (0.104 R)
• M12: 6,213,548 km (0.115 R)
• M13: 6,586,944 km (0.078 R)
• M14: 7,703,692 km (0.11 R)
• M15: 8,135,132 km (0.081 R)
• M16: 8,735,169 km (0.11 R)
• M17: 11,869,245 km (0.068 R)
• M18: 19,440,991 km (0.043 R)
• M19: 20,512,112 km (0.079 R)
• M20: 24,571,301 km (0.081 R)
• M21: 27,556,377 km (0.079 R)
• M22: 29,021,089 km (0.11 R)
• M23: 29,830,863 km (0.114 R)
• M24: 30,536,965 km (0.063 R)
• M25: 36,191,764 km (0.037 R)
• M26: 44,003,615 km (0.105 R)
• M27: 63,817,704 km (0.057 R)
• M28: 66,175,067 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757

Radius: 4.8

Gravity: 32.86 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.12 AU - 10.92 AU

Year: 20807 Days

Day: 23.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 173.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,768,598 km

• M1: 135,685 km (0.106 R)
• M2: 562,488 km (0.057 R)
• M3: 1,630,766 km (0.052 R)
• M4: 1,831,377 km (0.085 R)
• M5: 6,841,410 km (0.089 R)
• M6: 7,966,984 km (0.077 R)
• M7: 8,174,476 km (0.083 R)
• M8: 9,324,435 km (0.096 R)
• M9: 16,135,028 km (0.112 R)
• M10: 16,720,105 km (0.105 R)
• M11: 19,109,333 km (0.109 R)
• M12: 20,336,933 km (0.067 R)
• M13: 24,881,417 km (0.105 R)
• M14: 28,220,142 km (0.08 R)
• M15: 29,191,033 km (0.1 R)
• M16: 47,725,610 km (0.055 R)
• M17: 52,476,988 km (0.113 R)
• M18: 66,243,134 km (0.059 R)
• M19: 68,170,702 km (0.043 R)
• M20: 72,362,136 km (0.045 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 15,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit