🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.97 AU - 0.99 AU

Year: 346 Days

Day: 38.4 Hours

Environment

Temp: 83 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.82 AU - 1.28 AU

Year: 384 Days

Day: 27.9 Hours

Environment

Temp: 40 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.98 AU - 1.53 AU

Year: 498 Days

Day: 37.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.21 AU - 1.95 AU

Year: 708 Days

Day: 16.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,662,663 km

• M1: 969,245 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.38 AU - 2.12 AU

Year: 825 Days

Day: 43 Hours

Environment

Temp: -34 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.65 AU - 5.23 AU

Year: 3335 Days

Day: 41.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 11.2

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.66 AU - 12.58 AU

Year: 12336 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 53,662,663 km

• M1: 148,102 km (0.059 R)
• M2: 417,378 km (0.047 R)
• M3: 583,581 km (0.073 R)
• M4: 702,212 km (0.032 R)
• M5: 829,670 km (0.107 R)
• M6: 1,005,896 km (0.087 R)
• M7: 1,536,520 km (0.107 R)
• M8: 1,657,245 km (0.055 R)
• M9: 1,756,279 km (0.085 R)
• M10: 2,039,019 km (0.082 R)
• M11: 2,533,141 km (0.098 R)
• M12: 2,735,397 km (0.057 R)
• M13: 3,217,701 km (0.093 R)
• M14: 3,468,875 km (0.033 R)
• M15: 3,596,931 km (0.089 R)
• M16: 3,792,007 km (0.053 R)
• M17: 3,890,891 km (0.108 R)
• M18: 3,990,673 km (0.102 R)
• M19: 4,091,203 km (0.115 R)
• M20: 4,260,847 km (0.046 R)
• M21: 4,432,735 km (0.059 R)
• M22: 5,363,832 km (0.045 R)
• M23: 5,775,675 km (0.107 R)
• M24: 6,081,752 km (0.091 R)
• M25: 6,197,840 km (0.11 R)
• M26: 6,550,741 km (0.112 R)
• M27: 6,669,821 km (0.107 R)
• M28: 6,789,649 km (0.097 R)
• M29: 6,869,833 km (0.066 R)
• M30: 7,031,399 km (0.104 R)
• M31: 7,482,138 km (0.088 R)
• M32: 7,984,637 km (0.119 R)
• M33: 9,110,510 km (0.072 R)
• M34: 10,285,751 km (0.107 R)
• M35: 10,424,428 km (0.106 R)
• M36: 10,797,226 km (0.095 R)
• M37: 11,079,817 km (0.053 R)
• M38: 12,136,576 km (0.102 R)
• M39: 12,234,263 km (0.118 R)
• M40: 14,293,628 km (0.085 R)
• M41: 15,283,966 km (0.077 R)
• M42: 17,440,419 km (0.086 R)
• M43: 17,827,578 km (0.057 R)
• M44: 18,217,580 km (0.094 R)
• M45: 18,836,017 km (0.088 R)
• M46: 18,949,263 km (0.056 R)
• M47: 19,233,200 km (0.104 R)
• M48: 19,518,633 km (0.089 R)
• M49: 19,863,007 km (0.103 R)
• M50: 20,035,942 km (0.116 R)
• M51: 20,325,264 km (0.084 R)
• M52: 20,849,605 km (0.072 R)
• M53: 21,260,401 km (0.103 R)
• M54: 21,555,557 km (0.109 R)
• M55: 25,263,939 km (0.072 R)
• M56: 25,639,130 km (0.077 R)
• M57: 26,142,378 km (0.097 R)
• M58: 27,800,520 km (0.116 R)
• M59: 29,623,969 km (0.1 R)
• M60: 29,821,737 km (0.112 R)
• M61: 32,363,106 km (0.101 R)
• M62: 34,072,710 km (0.115 R)
• M63: 34,903,726 km (0.077 R)
• M64: 35,601,301 km (0.088 R)
• M65: 37,223,241 km (0.109 R)
• M66: 37,578,985 km (0.086 R)
• M67: 37,650,343 km (0.081 R)
• M68: 38,007,433 km (0.1 R)
• M69: 38,293,913 km (0.119 R)
• M70: 38,509,334 km (0.082 R)
• M71: 39,592,124 km (0.116 R)
• M72: 41,051,451 km (0.097 R)
• M73: 41,566,367 km (0.03 R)
• M74: 41,861,673 km (0.1 R)
• M75: 43,497,675 km (0.074 R)
• M76: 43,647,423 km (0.105 R)
• M77: 45,003,079 km (0.116 R)
• M78: 46,372,498 km (0.079 R)
• M79: 46,449,092 km (0.05 R)
• M80: 46,755,319 km (0.031 R)
• M81: 48,374,715 km (0.078 R)
• M82: 50,562,285 km (0.09 R)
• M83: 51,035,164 km (0.11 R)
• M84: 53,181,744 km (0.11 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 15,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit