🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.48 AU - 0.68 AU

Year: 161 Days

Day: 16.5 Hours

Environment

Temp: 220 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.74 AU - 3.38 AU

Year: 1945 Days

Day: 26.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.64 AU - 3.94 AU

Year: 2169 Days

Day: 20.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,442,913 km

• M1: 1,243,158 km (0.075 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.36 AU - 3.96 AU

Year: 2545 Days

Day: 39.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,442,913 km

• M1: 576,101 km (0.092 R)
• M2: 695,032 km (0.064 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.26 AU - 4.56 AU

Year: 2810 Days

Day: 35.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 9.8

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.22 AU - 8.56 AU

Year: 6573 Days

Day: 10.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 33,442,913 km

• M1: 261,497 km (0.108 R)
• M2: 429,346 km (0.101 R)
• M3: 494,421 km (0.089 R)
• M4: 661,372 km (0.072 R)
• M5: 792,570 km (0.088 R)
• M6: 1,113,008 km (0.093 R)
• M7: 1,701,825 km (0.092 R)
• M8: 1,793,080 km (0.092 R)
• M9: 1,942,678 km (0.081 R)
• M10: 2,057,719 km (0.064 R)
• M11: 2,274,486 km (0.12 R)
• M12: 2,416,305 km (0.11 R)
• M13: 3,124,651 km (0.109 R)
• M14: 3,192,119 km (0.074 R)
• M15: 3,351,441 km (0.119 R)
• M16: 3,466,931 km (0.098 R)
• M17: 3,797,392 km (0.051 R)
• M18: 4,039,591 km (0.095 R)
• M19: 4,312,009 km (0.085 R)
• M20: 5,058,802 km (0.117 R)
• M21: 5,138,388 km (0.092 R)
• M22: 5,245,051 km (0.092 R)
• M23: 5,406,617 km (0.115 R)
• M24: 5,542,452 km (0.105 R)
• M25: 5,651,957 km (0.105 R)
• M26: 6,125,434 km (0.077 R)
• M27: 6,381,247 km (0.09 R)
• M28: 6,582,606 km (0.055 R)
• M29: 6,669,671 km (0.048 R)
• M30: 7,259,386 km (0.077 R)
• M31: 7,530,158 km (0.076 R)
• M32: 7,835,039 km (0.074 R)
• M33: 8,614,743 km (0.086 R)
• M34: 8,710,037 km (0.107 R)
• M35: 8,805,630 km (0.036 R)
• M36: 9,159,130 km (0.086 R)
• M37: 10,046,694 km (0.113 R)
• M38: 10,113,414 km (0.118 R)
• M39: 11,411,326 km (0.073 R)
• M40: 11,621,062 km (0.119 R)
• M41: 11,726,379 km (0.111 R)
• M42: 11,973,365 km (0.101 R)
• M43: 12,580,433 km (0.058 R)
• M44: 13,454,533 km (0.114 R)
• M45: 13,824,638 km (0.106 R)
• M46: 14,048,138 km (0.083 R)
• M47: 14,423,479 km (0.09 R)
• M48: 14,878,406 km (0.111 R)
• M49: 15,337,821 km (0.093 R)
• M50: 15,763,277 km (0.07 R)
• M51: 15,918,859 km (0.064 R)
• M52: 16,942,856 km (0.103 R)
• M53: 17,543,342 km (0.072 R)
• M54: 17,907,015 km (0.106 R)
• M55: 17,988,097 km (0.083 R)
• M56: 18,150,859 km (0.119 R)
• M57: 18,232,390 km (0.081 R)
• M58: 18,354,911 km (0.066 R)
• M59: 18,477,581 km (0.039 R)
• M60: 18,723,969 km (0.045 R)
• M61: 19,469,714 km (0.12 R)
• M62: 19,594,927 km (0.118 R)
• M63: 19,678,553 km (0.119 R)
• M64: 19,888,139 km (0.118 R)
• M65: 20,267,370 km (0.052 R)
• M66: 20,394,229 km (0.04 R)
• M67: 20,947,292 km (0.092 R)
• M68: 21,247,236 km (0.082 R)
• M69: 21,807,779 km (0.06 R)
• M70: 21,981,313 km (0.032 R)
• M71: 22,592,121 km (0.097 R)
• M72: 22,899,694 km (0.101 R)
• M73: 23,518,880 km (0.088 R)
• M74: 23,652,171 km (0.074 R)
• M75: 23,919,802 km (0.113 R)
• M76: 25,181,660 km (0.112 R)
• M77: 25,272,615 km (0.045 R)
• M78: 25,409,198 km (0.084 R)
• M79: 25,500,453 km (0.117 R)
• M80: 25,637,485 km (0.047 R)
• M81: 26,789,239 km (0.111 R)
• M82: 27,628,782 km (0.081 R)
• M83: 29,333,898 km (0.054 R)
• M84: 29,813,509 km (0.103 R)
• M85: 30,247,493 km (0.089 R)
• M86: 30,586,481 km (0.086 R)
• M87: 30,780,659 km (0.091 R)
• M88: 32,250,608 km (0.083 R)
• M89: 32,745,628 km (0.108 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 20,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit