🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.6 AU - 0.68 AU

Year: 185 Days

Day: 46.9 Hours

Environment

Temp: 186 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.77 AU - 0.79 AU

Year: 249 Days

Day: 24.8 Hours

Environment

Temp: 114 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.75 AU - 2.91 AU

Year: 1286 Days

Day: 45.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.89 AU - 4.29 AU

Year: 2460 Days

Day: 27.1 Hours

Environment

Temp: -104 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,711,556 km

• M1: 534,064 km (0.112 R)
• M2: 3,361,315 km (0.047 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.88 AU - 4.02 AU

Year: 2839 Days

Day: 26.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,711,556 km

• M1: 1,278,912 km (0.068 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.29 AU - 4.29 AU

Year: 3213 Days

Day: 47.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,711,556 km

• M1: 1,171,052 km (0.119 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.85 AU - 4.89 AU

Year: 3304 Days

Day: 17.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.8

Radius: 4.2

Gravity: 28.62 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 15.74 AU - 19.62 AU

Year: 26885 Days

Day: 23.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 83,711,556 km

• M1: 91,105 km (0.116 R)
• M2: 271,371 km (0.104 R)
• M3: 363,224 km (0.083 R)
• M4: 600,037 km (0.083 R)
• M5: 647,609 km (0.07 R)
• M6: 721,511 km (0.117 R)
• M7: 987,645 km (0.107 R)
• M8: 1,073,066 km (0.066 R)
• M9: 1,281,755 km (0.086 R)
• M10: 1,375,104 km (0.119 R)
• M11: 1,736,382 km (0.078 R)
• M12: 1,770,491 km (0.115 R)
• M13: 1,805,048 km (0.025 R)
• M14: 2,162,138 km (0.116 R)
• M15: 2,236,189 km (0.04 R)
• M16: 2,697,698 km (0.036 R)
• M17: 3,661,109 km (0.118 R)
• M18: 3,749,521 km (0.085 R)
• M19: 3,793,952 km (0.104 R)
• M20: 4,110,052 km (0.089 R)
• M21: 4,671,493 km (0.099 R)
• M22: 5,206,903 km (0.073 R)
• M23: 5,812,924 km (0.119 R)
• M24: 6,229,255 km (0.113 R)
• M25: 6,709,165 km (0.108 R)
• M26: 7,145,542 km (0.027 R)
• M27: 7,647,443 km (0.056 R)
• M28: 7,988,377 km (0.087 R)
• M29: 8,045,673 km (0.108 R)
• M30: 9,100,188 km (0.098 R)
• M31: 9,160,027 km (0.067 R)
• M32: 10,135,405 km (0.119 R)
• M33: 11,271,601 km (0.101 R)
• M34: 12,051,156 km (0.047 R)
• M35: 14,074,766 km (0.114 R)
• M36: 14,983,723 km (0.106 R)
• M37: 15,267,211 km (0.095 R)
• M38: 19,494,697 km (0.058 R)
• M39: 20,742,194 km (0.056 R)
• M40: 21,296,005 km (0.109 R)
• M41: 22,095,606 km (0.083 R)
• M42: 22,337,356 km (0.039 R)
• M43: 24,054,290 km (0.044 R)
• M44: 24,220,045 km (0.074 R)
• M45: 24,469,275 km (0.09 R)
• M46: 25,138,277 km (0.099 R)
• M47: 25,813,113 km (0.054 R)
• M48: 26,494,082 km (0.034 R)
• M49: 26,922,530 km (0.104 R)
• M50: 27,439,840 km (0.114 R)
• M51: 27,699,691 km (0.102 R)
• M52: 27,786,608 km (0.063 R)
• M53: 29,364,416 km (0.032 R)
• M54: 33,711,880 km (0.076 R)
• M55: 34,362,481 km (0.099 R)
• M56: 34,642,529 km (0.09 R)
• M57: 34,829,675 km (0.095 R)
• M58: 35,393,061 km (0.12 R)
• M59: 37,676,822 km (0.098 R)
• M60: 38,351,808 km (0.072 R)
• M61: 39,420,535 km (0.095 R)
• M62: 40,795,040 km (0.104 R)
• M63: 41,190,577 km (0.086 R)
• M64: 41,388,794 km (0.1 R)
• M65: 41,786,276 km (0.109 R)
• M66: 42,085,172 km (0.106 R)
• M67: 42,284,885 km (0.091 R)
• M68: 45,215,358 km (0.06 R)
• M69: 45,420,008 km (0.084 R)
• M70: 46,756,814 km (0.071 R)
• M71: 46,963,559 km (0.091 R)
• M72: 47,481,915 km (0.105 R)
• M73: 47,585,886 km (0.111 R)
• M74: 49,153,372 km (0.103 R)
• M75: 51,376,247 km (0.06 R)
• M76: 54,608,010 km (0.086 R)
• M77: 55,043,938 km (0.079 R)
• M78: 55,371,557 km (0.054 R)
• M79: 58,015,999 km (0.093 R)
• M80: 58,683,505 km (0.081 R)
• M81: 60,363,489 km (0.101 R)
• M82: 61,265,863 km (0.085 R)
• M83: 62,400,114 km (0.084 R)
• M84: 65,035,131 km (0.026 R)
• M85: 65,844,306 km (0.111 R)
• M86: 65,960,244 km (0.113 R)
• M87: 67,239,157 km (0.12 R)
• M88: 72,795,371 km (0.096 R)
• M89: 73,035,027 km (0.109 R)
• M90: 76,296,260 km (0.072 R)
• M91: 77,271,639 km (0.084 R)
• M92: 78,496,696 km (0.082 R)
• M93: 79,358,080 km (0.038 R)
• M94: 79,604,767 km (0.051 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 11,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit