🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.64 AU - 0.74 AU

Year: 208 Days

Day: 18.9 Hours

Environment

Temp: 212 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,584,387 km

• M1: 48,619 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.67 AU - 1.03 AU

Year: 285 Days

Day: 45.5 Hours

Environment

Temp: 162 °C

Axial Tilt: 107.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.1 AU - 1.22 AU

Year: 454 Days

Day: 44.5 Hours

Environment

Temp: -2 °C

Axial Tilt: 48 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 19,584,387 km

• M1: 545,733 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.26 AU - 1.48 AU

Year: 583 Days

Day: 44 Hours

Environment

Temp: -7 °C

Axial Tilt: 17.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.42 AU - 2.06 AU

Year: 834 Days

Day: 40.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.28 AU - 2.28 AU

Year: 1251 Days

Day: 45.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,584,387 km

• M1: 651,798 km (0.098 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.96 AU - 3.12 AU

Year: 1926 Days

Day: 37.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.4 AU - 5.3 AU

Year: 3882 Days

Day: 36.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 9.3

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.52 AU - 7.14 AU

Year: 5116 Days

Day: 9.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 19,584,387 km

• M1: 139,575 km (0.083 R)
• M2: 203,004 km (0.113 R)
• M3: 280,346 km (0.066 R)
• M4: 499,657 km (0.114 R)
• M5: 693,985 km (0.093 R)
• M6: 912,996 km (0.057 R)
• M7: 1,202,019 km (0.088 R)
• M8: 1,315,713 km (0.107 R)
• M9: 1,696,739 km (0.112 R)
• M10: 1,843,794 km (0.112 R)
• M11: 1,918,892 km (0.101 R)
• M12: 2,310,090 km (0.104 R)
• M13: 2,452,956 km (0.099 R)
• M14: 2,704,730 km (0.1 R)
• M15: 2,877,365 km (0.116 R)
• M16: 3,009,161 km (0.079 R)
• M17: 3,347,701 km (0.077 R)
• M18: 3,866,058 km (0.106 R)
• M19: 4,184,252 km (0.046 R)
• M20: 4,742,103 km (0.097 R)
• M21: 4,924,612 km (0.062 R)
• M22: 5,512,981 km (0.096 R)
• M23: 6,237,034 km (0.112 R)
• M24: 6,552,387 km (0.046 R)
• M25: 6,785,161 km (0.065 R)
• M26: 7,348,547 km (0.094 R)
• M27: 7,438,904 km (0.116 R)
• M28: 7,865,407 km (0.095 R)
• M29: 8,050,609 km (0.119 R)
• M30: 8,174,925 km (0.092 R)
• M31: 8,678,621 km (0.049 R)
• M32: 9,030,625 km (0.108 R)
• M33: 9,551,226 km (0.092 R)
• M34: 9,848,177 km (0.066 R)
• M35: 10,048,040 km (0.069 R)
• M36: 10,316,419 km (0.113 R)
• M37: 10,553,232 km (0.049 R)
• M38: 11,032,394 km (0.077 R)
• M39: 11,309,300 km (0.07 R)
• M40: 11,658,760 km (0.066 R)
• M41: 12,836,844 km (0.113 R)
• M42: 13,828,827 km (0.104 R)
• M43: 14,541,511 km (0.108 R)
• M44: 14,617,358 km (0.102 R)
• M45: 15,151,123 km (0.063 R)
• M46: 15,304,760 km (0.12 R)
• M47: 15,924,693 km (0.044 R)
• M48: 16,159,263 km (0.105 R)
• M49: 16,552,855 km (0.097 R)
• M50: 16,631,842 km (0.073 R)
• M51: 16,790,416 km (0.079 R)
• M52: 17,671,398 km (0.12 R)
• M53: 17,833,263 km (0.062 R)
• M54: 18,280,710 km (0.117 R)
• M55: 18,567,489 km (0.05 R)
• M56: 18,979,631 km (0.117 R)
• M57: 19,771,154 km (0.086 R)
• M58: 19,855,078 km (0.096 R)
• M59: 20,234,159 km (0.069 R)
• M60: 20,318,832 km (0.096 R)
• M61: 20,530,812 km (0.114 R)
• M62: 21,904,868 km (0.104 R)
• M63: 22,954,896 km (0.08 R)
• M64: 23,264,264 km (0.067 R)
• M65: 23,797,730 km (0.044 R)
• M66: 24,245,327 km (0.116 R)
• M67: 24,515,351 km (0.088 R)
• M68: 24,695,766 km (0.106 R)
• M69: 25,376,736 km (0.11 R)
• M70: 26,155,841 km (0.056 R)
• M71: 26,247,994 km (0.093 R)
• M72: 26,571,424 km (0.104 R)
• M73: 27,268,999 km (0.048 R)
• M74: 27,362,498 km (0.114 R)
• M75: 27,831,487 km (0.077 R)
• M76: 28,066,954 km (0.079 R)
• M77: 28,682,250 km (0.055 R)
• M78: 28,872,539 km (0.084 R)
• M79: 29,878,136 km (0.104 R)
• M80: 30,749,244 km (0.038 R)
• M81: 31,530,444 km (0.065 R)
• M82: 31,677,648 km (0.063 R)
• M83: 31,972,805 km (0.103 R)
• M84: 32,120,757 km (0.082 R)
• M85: 32,813,994 km (0.117 R)
• M86: 33,412,086 km (0.08 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 13.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.84 AU - 11.08 AU

Year: 11424 Days

Day: 14.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 19,584,387 km

• M1: 168,597 km (0.049 R)
• M2: 271,371 km (0.097 R)
• M3: 369,656 km (0.112 R)
• M4: 604,824 km (0.08 R)
• M5: 922,720 km (0.028 R)
• M6: 1,128,566 km (0.074 R)
• M7: 1,373,458 km (0.088 R)
• M8: 1,526,497 km (0.054 R)
• M9: 1,636,002 km (0.083 R)
• M10: 1,773,632 km (0.119 R)
• M11: 1,863,391 km (0.068 R)
• M12: 2,377,559 km (0.066 R)
• M13: 2,799,575 km (0.081 R)
• M14: 3,027,113 km (0.046 R)
• M15: 3,763,284 km (0.11 R)
• M16: 3,880,120 km (0.108 R)
• M17: 4,169,143 km (0.117 R)
• M18: 4,342,377 km (0.082 R)
• M19: 4,786,234 km (0.116 R)
• M20: 4,967,996 km (0.051 R)
• M21: 5,096,500 km (0.061 R)
• M22: 5,282,151 km (0.093 R)
• M23: 5,929,910 km (0.098 R)
• M24: 6,263,364 km (0.032 R)
• M25: 7,051,595 km (0.104 R)
• M26: 7,134,322 km (0.102 R)
• M27: 7,237,994 km (0.109 R)
• M28: 7,636,971 km (0.047 R)
• M29: 8,259,747 km (0.107 R)
• M30: 8,368,654 km (0.043 R)
• M31: 8,698,667 km (0.06 R)
• M32: 8,943,410 km (0.094 R)
• M33: 9,348,969 km (0.05 R)
• M34: 9,668,510 km (0.096 R)
• M35: 10,014,829 km (0.073 R)
• M36: 10,294,877 km (0.085 R)
• M37: 11,174,811 km (0.091 R)
• M38: 11,660,406 km (0.029 R)
• M39: 11,831,995 km (0.118 R)
• M40: 12,029,314 km (0.077 R)
• M41: 12,128,199 km (0.107 R)
• M42: 12,277,198 km (0.07 R)
• M43: 13,107,765 km (0.099 R)
• M44: 13,697,331 km (0.105 R)
• M45: 14,348,081 km (0.083 R)
• M46: 16,223,291 km (0.063 R)
• M47: 16,718,011 km (0.119 R)
• M48: 17,976,279 km (0.118 R)
• M49: 18,089,524 km (0.099 R)
• M50: 18,373,910 km (0.07 R)
• M51: 18,545,199 km (0.034 R)
• M52: 19,351,831 km (0.119 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 16,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit