🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.76 AU - 0.98 AU

Year: 284 Days

Day: 25.6 Hours

Environment

Temp: 180 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.97 AU - 1.31 AU

Year: 426 Days

Day: 16.3 Hours

Environment

Temp: 42 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.14 AU - 1.24 AU

Year: 454 Days

Day: 14.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 26.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 113,639,757 km

• M1: 15,857 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.42 AU - 5.36 AU

Year: 3783 Days

Day: 19.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 113,639,757 km

• M1: 1,497,026 km (0.073 R)
• M2: 1,688,960 km (0.064 R)

Asteroid Belt

Center: 5.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.2

Radius: 14.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.71 AU - 6.13 AU

Year: 5039 Days

Day: 13.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 113,639,757 km

• M1: 175,777 km (0.06 R)
• M2: 671,545 km (0.063 R)
• M3: 1,291,030 km (0.064 R)
• M4: 1,963,173 km (0.104 R)
• M5: 2,862,406 km (0.118 R)
• M6: 5,498,769 km (0.102 R)
• M7: 6,980,685 km (0.086 R)
• M8: 8,853,950 km (0.064 R)
• M9: 10,097,258 km (0.072 R)
• M10: 11,412,373 km (0.075 R)
• M11: 15,527,062 km (0.119 R)
• M12: 17,608,118 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 10.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.27 AU - 10.35 AU

Year: 8381 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 113,639,757 km

• M1: 134,488 km (0.091 R)
• M2: 480,508 km (0.107 R)
• M3: 871,258 km (0.028 R)
• M4: 1,383,780 km (0.066 R)
• M5: 2,091,677 km (0.099 R)
• M6: 2,429,469 km (0.102 R)
• M7: 2,784,316 km (0.069 R)
• M8: 3,963,596 km (0.088 R)
• M9: 4,596,245 km (0.106 R)
• M10: 5,418,136 km (0.05 R)
• M11: 5,996,331 km (0.079 R)
• M12: 6,977,245 km (0.079 R)
• M13: 10,130,469 km (0.115 R)
• M14: 10,466,316 km (0.111 R)
• M15: 12,151,087 km (0.062 R)
• M16: 13,256,316 km (0.102 R)
• M17: 14,914,459 km (0.08 R)
• M18: 16,311,105 km (0.09 R)
• M19: 21,023,138 km (0.094 R)
• M20: 21,491,978 km (0.105 R)
• M21: 21,887,964 km (0.078 R)
• M22: 24,538,688 km (0.103 R)
• M23: 26,030,628 km (0.109 R)
• M24: 27,211,703 km (0.083 R)
• M25: 31,069,982 km (0.049 R)
• M26: 32,606,202 km (0.082 R)
• M27: 33,234,663 km (0.096 R)
• M28: 38,093,003 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.5

Radius: 4.1

Gravity: 53.75 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 19.08 AU - 21.34 AU

Year: 31785 Days

Day: 15.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 113,639,757 km

• M1: 52,060 km (0.092 R)
• M2: 262,395 km (0.06 R)
• M3: 397,332 km (0.059 R)
• M4: 570,566 km (0.105 R)
• M5: 919,429 km (0.119 R)
• M6: 4,797,005 km (0.111 R)
• M7: 5,219,171 km (0.112 R)
• M8: 6,089,082 km (0.074 R)
• M9: 7,652,679 km (0.106 R)
• M10: 8,956,724 km (0.089 R)
• M11: 10,128,225 km (0.039 R)
• M12: 16,114,832 km (0.031 R)
• M13: 16,393,832 km (0.07 R)
• M14: 17,153,939 km (0.076 R)
• M15: 17,739,166 km (0.092 R)
• M16: 19,998,991 km (0.079 R)
• M17: 21,758,113 km (0.115 R)
• M18: 25,580,787 km (0.115 R)
• M19: 29,549,319 km (0.028 R)
• M20: 30,530,981 km (0.058 R)
• M21: 31,970,711 km (0.12 R)
• M22: 35,140,390 km (0.069 R)
• M23: 36,241,730 km (0.11 R)
• M24: 42,802,045 km (0.108 R)
• M25: 45,337,430 km (0.109 R)
• M26: 47,971,250 km (0.105 R)
• M27: 52,516,482 km (0.096 R)
• M28: 55,842,342 km (0.059 R)
• M29: 61,768,213 km (0.084 R)
• M30: 63,601,236 km (0.118 R)
• M31: 64,531,136 km (0.094 R)
• M32: 68,828,484 km (0.11 R)
• M33: 71,296,400 km (0.087 R)
• M34: 72,048,130 km (0.079 R)
• M35: 78,518,986 km (0.114 R)
• M36: 81,484,763 km (0.112 R)
• M37: 97,439,227 km (0.104 R)
• M38: 99,296,035 km (0.101 R)
• M39: 105,980,966 km (0.11 R)
• M40: 107,615,771 km (0.054 R)
• M41: 111,944,386 km (0.046 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 13,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit