🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.62 AU - 0.82 AU

Year: 219 Days

Day: 30.9 Hours

Environment

Temp: 137 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,171,259 km

• M1: 536,308 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.75 AU - 0.79 AU

Year: 242 Days

Day: 40.1 Hours

Environment

Temp: 188 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.19 AU - 1.61 AU

Year: 593 Days

Day: 36.2 Hours

Environment

Temp: -6 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.49 AU - 4.77 AU

Year: 3006 Days

Day: 21 Hours

Environment

Temp: -116 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.1

Radius: 8.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.17 AU - 9.41 AU

Year: 9334 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,171,259 km

• M1: 123,717 km (0.072 R)
• M2: 560,394 km (0.114 R)
• M3: 954,883 km (0.066 R)
• M4: 1,646,175 km (0.042 R)
• M5: 5,392,405 km (0.109 R)
• M6: 9,814,817 km (0.069 R)
• M7: 11,970,672 km (0.054 R)
• M8: 13,234,176 km (0.086 R)
• M9: 15,237,590 km (0.075 R)
• M10: 15,910,182 km (0.117 R)
• M11: 18,799,516 km (0.12 R)
• M12: 22,162,775 km (0.099 R)
• M13: 26,783,853 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.7

Radius: 4.8

Gravity: 37.49 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 12.61 AU - 13.53 AU

Year: 16923 Days

Day: 18.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,171,259 km

• M1: 60,138 km (0.057 R)
• M2: 488,287 km (0.09 R)
• M3: 1,153,549 km (0.116 R)
• M4: 1,321,548 km (0.117 R)
• M5: 1,760,617 km (0.064 R)
• M6: 2,558,872 km (0.098 R)
• M7: 2,797,480 km (0.113 R)
• M8: 3,632,835 km (0.101 R)
• M9: 3,872,939 km (0.089 R)
• M10: 5,013,623 km (0.059 R)
• M11: 5,273,624 km (0.067 R)
• M12: 7,885,005 km (0.058 R)
• M13: 8,546,676 km (0.069 R)
• M14: 8,864,123 km (0.039 R)
• M15: 9,025,838 km (0.058 R)
• M16: 9,355,252 km (0.058 R)
• M17: 13,739,218 km (0.108 R)
• M18: 14,101,694 km (0.052 R)
• M19: 15,150,674 km (0.113 R)
• M20: 16,738,057 km (0.073 R)
• M21: 17,151,545 km (0.1 R)
• M22: 19,960,694 km (0.09 R)
• M23: 22,060,600 km (0.102 R)
• M24: 22,358,000 km (0.109 R)
• M25: 23,163,884 km (0.089 R)
• M26: 23,988,916 km (0.075 R)
• M27: 29,474,520 km (0.098 R)
• M28: 31,682,735 km (0.079 R)
• M29: 37,119,420 km (0.078 R)
• M30: 45,985,937 km (0.094 R)
• M31: 49,962,996 km (0.104 R)
• M32: 59,353,853 km (0.11 R)
• M33: 60,121,439 km (0.09 R)
• M34: 61,480,536 km (0.103 R)
• M35: 67,121,872 km (0.084 R)
• M36: 69,006,057 km (0.086 R)
• M37: 70,281,379 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.9

Radius: 4.5

Gravity: 35.01 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 11.46 AU - 16.08 AU

Year: 18301 Days

Day: 22.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,171,259 km

• M1: 55,950 km (0.064 R)
• M2: 246,388 km (0.08 R)
• M3: 393,592 km (0.081 R)
• M4: 984,653 km (0.089 R)
• M5: 1,188,555 km (0.114 R)
• M6: 1,716,336 km (0.12 R)
• M7: 2,879,909 km (0.109 R)
• M8: 3,217,252 km (0.106 R)
• M9: 3,466,033 km (0.077 R)
• M10: 4,660,273 km (0.113 R)
• M11: 7,775,349 km (0.084 R)
• M12: 8,583,776 km (0.114 R)
• M13: 10,014,530 km (0.099 R)
• M14: 10,425,326 km (0.042 R)
• M15: 10,908,527 km (0.105 R)
• M16: 13,129,457 km (0.084 R)
• M17: 13,692,693 km (0.091 R)
• M18: 18,180,480 km (0.09 R)
• M19: 20,612,193 km (0.107 R)
• M20: 22,249,392 km (0.066 R)
• M21: 24,494,407 km (0.118 R)
• M22: 25,024,881 km (0.116 R)
• M23: 26,108,718 km (0.041 R)
• M24: 26,773,980 km (0.09 R)
• M25: 36,339,268 km (0.104 R)
• M26: 41,952,778 km (0.09 R)
• M27: 49,452,269 km (0.112 R)
• M28: 51,500,713 km (0.1 R)
• M29: 54,139,918 km (0.111 R)
• M30: 55,220,314 km (0.061 R)
• M31: 55,401,776 km (0.06 R)
• M32: 59,115,095 km (0.104 R)
• M33: 60,260,565 km (0.089 R)
• M34: 61,615,623 km (0.034 R)
• M35: 68,069,275 km (0.109 R)
• M36: 72,540,606 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.6

Radius: 7.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 17.31 AU - 21.71 AU

Year: 30865 Days

Day: 17.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,171,259 km

• M1: 135,685 km (0.077 R)
• M2: 472,280 km (0.028 R)
• M3: 788,381 km (0.061 R)
• M4: 1,941,182 km (0.115 R)
• M5: 2,872,578 km (0.068 R)
• M6: 3,397,816 km (0.081 R)
• M7: 4,015,057 km (0.111 R)
• M8: 4,288,223 km (0.069 R)
• M9: 4,704,703 km (0.114 R)
• M10: 5,218,722 km (0.117 R)
• M11: 11,234,351 km (0.1 R)
• M12: 12,214,517 km (0.087 R)
• M13: 13,451,392 km (0.101 R)
• M14: 14,913,113 km (0.117 R)
• M15: 15,869,492 km (0.1 R)
• M16: 17,101,879 km (0.069 R)
• M17: 19,496,193 km (0.073 R)
• M18: 20,017,990 km (0.087 R)
• M19: 22,960,132 km (0.116 R)
• M20: 23,542,217 km (0.037 R)
• M21: 25,864,724 km (0.106 R)
• M22: 26,494,830 km (0.085 R)
• M23: 27,135,259 km (0.109 R)
• M24: 31,077,761 km (0.071 R)
• M25: 37,082,769 km (0.073 R)
• M26: 37,348,455 km (0.046 R)
• M27: 39,382,387 km (0.058 R)
• M28: 51,819,805 km (0.093 R)
• M29: 55,379,636 km (0.118 R)
• M30: 56,426,073 km (0.087 R)
• M31: 58,918,523 km (0.113 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 12,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit