🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.46 AU - 1.96 AU

Year: 856 Days

Day: 34.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.46 AU - 2.16 AU

Year: 932 Days

Day: 32.5 Hours

Environment

Temp: -74 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.07 AU - 2.15 AU

Year: 1174 Days

Day: 30 Hours

Environment

Temp: -94 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,287,386 km

• M1: 780,003 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.9 AU - 2.38 AU

Year: 1199 Days

Day: 23.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.7 AU - 2.76 AU

Year: 1275 Days

Day: 36.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.91 AU - 2.75 AU

Year: 1362 Days

Day: 30.3 Hours

Environment

Temp: -99 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.22 AU - 2.5 AU

Year: 1388 Days

Day: 43.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,287,386 km

• M1: 1,005,746 km (0.086 R)
• M2: 1,610,720 km (0.101 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.36 AU - 3.86 AU

Year: 2626 Days

Day: 28.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.5 AU - 4.36 AU

Year: 2983 Days

Day: 22.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.3

Radius: 11

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.05 AU - 10.03 AU

Year: 9556 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 47,287,386 km

• M1: 301,290 km (0.043 R)
• M2: 571,913 km (0.102 R)
• M3: 712,086 km (0.117 R)
• M4: 1,010,085 km (0.109 R)
• M5: 1,144,274 km (0.117 R)
• M6: 1,305,241 km (0.106 R)
• M7: 1,627,774 km (0.097 R)
• M8: 1,718,132 km (0.114 R)
• M9: 1,975,589 km (0.062 R)
• M10: 2,072,379 km (0.072 R)
• M11: 2,195,648 km (0.105 R)
• M12: 2,398,054 km (0.108 R)
• M13: 2,986,273 km (0.12 R)
• M14: 3,737,553 km (0.085 R)
• M15: 4,103,619 km (0.102 R)
• M16: 4,228,234 km (0.035 R)
• M17: 4,417,476 km (0.102 R)
• M18: 4,545,232 km (0.112 R)
• M19: 7,160,203 km (0.114 R)
• M20: 7,691,575 km (0.097 R)
• M21: 8,552,211 km (0.042 R)
• M22: 8,752,074 km (0.035 R)
• M23: 8,872,799 km (0.108 R)
• M24: 9,197,277 km (0.068 R)
• M25: 9,608,522 km (0.114 R)
• M26: 10,448,962 km (0.063 R)
• M27: 11,356,573 km (0.107 R)
• M28: 11,664,744 km (0.119 R)
• M29: 12,289,465 km (0.111 R)
• M30: 12,605,865 km (0.098 R)
• M31: 12,742,298 km (0.066 R)
• M32: 13,062,587 km (0.092 R)
• M33: 13,246,742 km (0.119 R)
• M34: 13,385,419 km (0.105 R)
• M35: 14,417,644 km (0.111 R)
• M36: 15,329,443 km (0.1 R)
• M37: 15,718,996 km (0.087 R)
• M38: 16,358,976 km (0.106 R)
• M39: 16,857,137 km (0.074 R)
• M40: 18,329,629 km (0.041 R)
• M41: 19,055,178 km (0.075 R)
• M42: 19,159,598 km (0.067 R)
• M43: 19,526,711 km (0.069 R)
• M44: 20,320,926 km (0.11 R)
• M45: 21,071,758 km (0.102 R)
• M46: 22,269,887 km (0.114 R)
• M47: 23,155,207 km (0.109 R)
• M48: 23,770,503 km (0.113 R)
• M49: 24,221,391 km (0.112 R)
• M50: 25,246,137 km (0.075 R)
• M51: 26,401,331 km (0.117 R)
• M52: 26,926,869 km (0.117 R)
• M53: 27,337,964 km (0.118 R)
• M54: 27,751,153 km (0.066 R)
• M55: 28,763,183 km (0.059 R)
• M56: 29,243,541 km (0.099 R)
• M57: 29,364,117 km (0.075 R)
• M58: 29,908,504 km (0.059 R)
• M59: 30,212,337 km (0.069 R)
• M60: 31,376,508 km (0.084 R)
• M61: 32,617,721 km (0.053 R)
• M62: 32,805,317 km (0.069 R)
• M63: 33,056,043 km (0.032 R)
• M64: 33,370,199 km (0.078 R)
• M65: 33,622,271 km (0.106 R)
• M66: 34,255,220 km (0.081 R)
• M67: 35,468,758 km (0.103 R)
• M68: 35,597,412 km (0.06 R)
• M69: 36,761,283 km (0.087 R)
• M70: 36,956,508 km (0.1 R)
• M71: 37,217,407 km (0.094 R)
• M72: 37,740,850 km (0.102 R)
• M73: 38,927,610 km (0.091 R)
• M74: 39,126,575 km (0.069 R)
• M75: 40,394,716 km (0.106 R)
• M76: 40,663,394 km (0.106 R)
• M77: 42,083,676 km (0.072 R)
• M78: 42,492,527 km (0.094 R)
• M79: 43,313,969 km (0.11 R)
• M80: 44,279,175 km (0.076 R)
• M81: 44,764,320 km (0.077 R)
• M82: 45,739,998 km (0.117 R)
• M83: 46,090,206 km (0.104 R)
• M84: 46,722,706 km (0.104 R)
• M85: 47,216,678 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 13,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit