🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.7 AU - 0.88 AU

Year: 248 Days

Day: 12.6 Hours

Environment

Temp: 153 °C

Axial Tilt: 26.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.31 AU - 2.57 AU

Year: 1346 Days

Day: 42.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.6

Radius: 10.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.38 AU - 12.52 AU

Year: 12794 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 94,468,957 km

• M1: 130,599 km (0.105 R)
• M2: 480,957 km (0.06 R)
• M3: 991,684 km (0.114 R)
• M4: 11,224,179 km (0.116 R)
• M5: 13,400,828 km (0.112 R)
• M6: 14,094,513 km (0.086 R)
• M7: 15,495,497 km (0.057 R)
• M8: 30,117,642 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.5

Radius: 5.9

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 17.65 AU - 22.23 AU

Year: 31440 Days

Day: 20.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 94,468,957 km

• M1: 73,453 km (0.096 R)
• M2: 321,486 km (0.104 R)
• M3: 579,243 km (0.097 R)
• M4: 773,271 km (0.119 R)
• M5: 1,024,596 km (0.08 R)
• M6: 1,394,701 km (0.106 R)
• M7: 1,694,495 km (0.093 R)
• M8: 1,952,103 km (0.113 R)
• M9: 2,258,479 km (0.119 R)
• M10: 2,596,720 km (0.095 R)
• M11: 3,080,370 km (0.064 R)
• M12: 5,846,883 km (0.075 R)
• M13: 8,059,735 km (0.033 R)
• M14: 9,442,468 km (0.079 R)
• M15: 10,909,126 km (0.114 R)
• M16: 13,346,075 km (0.092 R)
• M17: 15,778,387 km (0.096 R)
• M18: 16,298,090 km (0.065 R)
• M19: 18,682,231 km (0.11 R)
• M20: 18,971,553 km (0.118 R)
• M21: 21,289,273 km (0.052 R)
• M22: 21,817,054 km (0.085 R)
• M23: 27,833,133 km (0.113 R)
• M24: 28,210,568 km (0.11 R)
• M25: 31,899,203 km (0.083 R)
• M26: 33,290,762 km (0.065 R)
• M27: 33,716,069 km (0.083 R)
• M28: 34,144,966 km (0.117 R)
• M29: 45,910,689 km (0.05 R)
• M30: 47,324,538 km (0.029 R)
• M31: 55,424,665 km (0.111 R)
• M32: 58,866,313 km (0.1 R)
• M33: 59,905,121 km (0.108 R)
• M34: 61,379,707 km (0.048 R)
• M35: 63,528,082 km (0.053 R)
• M36: 63,963,711 km (0.049 R)
• M37: 73,578,067 km (0.05 R)
• M38: 76,246,295 km (0.119 R)
• M39: 82,032,441 km (0.082 R)
• M40: 89,736,133 km (0.069 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 17,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit