🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.1 AU - 1.72 AU

Year: 747 Days

Day: 17.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 53.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,925,088 km

• M1: 21,392 km (0.07 R)
• M2: 67,020 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.13 AU - 1.83 AU

Year: 803 Days

Day: 29.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.8

Radius: 10.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.91 AU - 6.35 AU

Year: 5185 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,925,088 km

• M1: 128,654 km (0.041 R)
• M2: 461,958 km (0.116 R)
• M3: 2,863,602 km (0.071 R)
• M4: 5,001,954 km (0.031 R)
• M5: 7,711,172 km (0.094 R)
• M6: 8,338,137 km (0.07 R)
• M7: 9,882,884 km (0.051 R)
• M8: 10,267,799 km (0.109 R)
• M9: 10,823,705 km (0.092 R)
• M10: 11,525,469 km (0.098 R)
• M11: 12,169,637 km (0.103 R)
• M12: 13,157,731 km (0.064 R)
• M13: 14,738,831 km (0.081 R)
• M14: 16,766,331 km (0.052 R)
• M15: 20,610,248 km (0.105 R)
• M16: 21,176,177 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.5

Radius: 4.4

Gravity: 23.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 11 AU - 14.6 AU

Year: 20435 Days

Day: 22.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,925,088 km

• M1: 56,398 km (0.073 R)
• M2: 438,172 km (0.102 R)
• M3: 836,850 km (0.117 R)
• M4: 2,501,725 km (0.106 R)
• M5: 2,776,836 km (0.085 R)
• M6: 3,071,843 km (0.051 R)
• M7: 3,279,784 km (0.114 R)
• M8: 5,483,510 km (0.118 R)
• M9: 5,907,770 km (0.059 R)
• M10: 6,691,812 km (0.078 R)
• M11: 7,636,523 km (0.088 R)
• M12: 7,873,934 km (0.069 R)
• M13: 9,135,493 km (0.09 R)
• M14: 10,237,281 km (0.098 R)
• M15: 10,409,917 km (0.076 R)
• M16: 12,900,572 km (0.116 R)
• M17: 13,237,317 km (0.088 R)
• M18: 14,140,589 km (0.093 R)
• M19: 14,498,726 km (0.031 R)
• M20: 16,616,733 km (0.07 R)
• M21: 18,082,044 km (0.106 R)
• M22: 18,503,910 km (0.065 R)
• M23: 19,018,676 km (0.113 R)
• M24: 21,454,130 km (0.099 R)
• M25: 25,013,961 km (0.114 R)
• M26: 26,175,439 km (0.069 R)
• M27: 28,948,086 km (0.112 R)
• M28: 31,423,482 km (0.086 R)
• M29: 31,910,423 km (0.057 R)
• M30: 32,155,763 km (0.1 R)
• M31: 33,275,503 km (0.039 R)
• M32: 35,724,121 km (0.088 R)
• M33: 37,877,283 km (0.12 R)
• M34: 38,152,244 km (0.077 R)
• M35: 38,290,323 km (0.101 R)
• M36: 46,249,229 km (0.113 R)
• M37: 46,563,534 km (0.105 R)
• M38: 52,295,825 km (0.104 R)
• M39: 55,596,104 km (0.085 R)
• M40: 58,664,356 km (0.11 R)
• M41: 60,896,955 km (0.1 R)
• M42: 65,530,599 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 14,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit