🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.63 AU - 0.65 AU

Year: 178 Days

Day: 14.7 Hours

Environment

Temp: 184 °C

Axial Tilt: 49.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.96 AU - 1.52 AU

Year: 481 Days

Day: 21 Hours

Environment

Temp: 32 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.41 AU - 1.89 AU

Year: 738 Days

Day: 39.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.23 AU - 3.39 AU

Year: 1640 Days

Day: 39.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,841,185 km

• M1: 1,253,481 km (0.109 R)

Asteroid Belt

Center: 4.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624

Radius: 11.2

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.9 AU - 8.04 AU

Year: 5731 Days

Day: 14.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,841,185 km

• M1: 139,425 km (0.102 R)
• M2: 507,735 km (0.083 R)
• M3: 886,068 km (0.098 R)
• M4: 1,276,070 km (0.106 R)
• M5: 1,904,680 km (0.113 R)
• M6: 2,555,281 km (0.107 R)
• M7: 3,713,767 km (0.067 R)
• M8: 4,153,435 km (0.113 R)
• M9: 6,081,901 km (0.061 R)
• M10: 7,528,214 km (0.081 R)
• M11: 8,784,686 km (0.101 R)
• M12: 10,265,107 km (0.06 R)
• M13: 11,758,243 km (0.029 R)
• M14: 12,608,109 km (0.074 R)
• M15: 15,698,950 km (0.028 R)
• M16: 19,467,171 km (0.04 R)
• M17: 24,352,888 km (0.105 R)
• M18: 25,485,194 km (0.11 R)
• M19: 26,567,684 km (0.116 R)
• M20: 30,645,124 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.3

Radius: 10.2

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.79 AU - 9.47 AU

Year: 9607 Days

Day: 13.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 93,841,185 km

• M1: 127,009 km (0.106 R)
• M2: 533,466 km (0.048 R)
• M3: 890,107 km (0.101 R)
• M4: 1,505,403 km (0.086 R)
• M5: 1,859,502 km (0.105 R)
• M6: 2,205,073 km (0.113 R)
• M7: 2,721,036 km (0.105 R)
• M8: 3,316,136 km (0.092 R)
• M9: 4,044,229 km (0.11 R)
• M10: 4,472,677 km (0.06 R)
• M11: 4,931,195 km (0.107 R)
• M12: 6,265,159 km (0.032 R)
• M13: 6,945,380 km (0.096 R)
• M14: 9,718,775 km (0.102 R)
• M15: 10,076,763 km (0.099 R)
• M16: 11,203,833 km (0.033 R)
• M17: 12,675,577 km (0.1 R)
• M18: 14,387,126 km (0.056 R)
• M19: 17,464,205 km (0.102 R)
• M20: 18,263,207 km (0.109 R)
• M21: 20,880,721 km (0.061 R)
• M22: 23,020,719 km (0.076 R)
• M23: 25,303,133 km (0.069 R)
• M24: 26,239,616 km (0.087 R)
• M25: 28,363,158 km (0.105 R)
• M26: 34,374,599 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.6

Radius: 8.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.72 AU - 13.28 AU

Year: 12705 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,841,185 km

• M1: 109,805 km (0.083 R)
• M2: 1,298,809 km (0.052 R)
• M3: 2,398,652 km (0.094 R)
• M4: 4,876,741 km (0.058 R)
• M5: 8,484,742 km (0.117 R)
• M6: 13,682,820 km (0.048 R)
• M7: 14,583,698 km (0.078 R)
• M8: 15,523,472 km (0.064 R)
• M9: 17,872,458 km (0.112 R)
• M10: 20,218,751 km (0.096 R)
• M11: 23,684,784 km (0.103 R)
• M12: 34,204,506 km (0.091 R)
• M13: 35,971,556 km (0.105 R)
• M14: 36,763,527 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.3

Radius: 4.6

Gravity: 34.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 13.8 AU - 22.24 AU

Year: 26639 Days

Day: 22 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 93,841,185 km

• M1: 57,146 km (0.119 R)
• M2: 236,065 km (0.098 R)
• M3: 386,561 km (0.115 R)
• M4: 651,050 km (0.12 R)
• M5: 2,182,783 km (0.109 R)
• M6: 2,440,390 km (0.117 R)
• M7: 4,288,522 km (0.108 R)
• M8: 5,122,530 km (0.084 R)
• M9: 6,287,299 km (0.081 R)
• M10: 8,210,679 km (0.118 R)
• M11: 8,603,224 km (0.066 R)
• M12: 10,171,758 km (0.109 R)
• M13: 14,661,339 km (0.1 R)
• M14: 20,213,365 km (0.108 R)
• M15: 27,265,558 km (0.088 R)
• M16: 34,626,222 km (0.104 R)
• M17: 40,579,470 km (0.087 R)
• M18: 44,562,513 km (0.071 R)
• M19: 49,529,611 km (0.066 R)
• M20: 63,100,831 km (0.027 R)
• M21: 65,064,004 km (0.075 R)
• M22: 84,859,542 km (0.091 R)

Kuiper Belt

Range: 31.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 12,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit