🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.48 AU - 0.66 AU

Year: 151 Days

Day: 22.6 Hours

Environment

Temp: 248 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.84 AU - 1.16 AU

Year: 350 Days

Day: 39.8 Hours

Environment

Temp: 166 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.05 AU - 2.45 AU

Year: 1181 Days

Day: 27.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 64.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.8 AU - 3.8 AU

Year: 2592 Days

Day: 43.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.51 AU - 4.57 AU

Year: 2841 Days

Day: 45 Hours

Environment

Temp: -123 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 12.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.04 AU - 12.46 AU

Year: 12331 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,899,401 km

• M1: 150,495 km (0.075 R)
• M2: 840,291 km (0.113 R)
• M3: 1,484,609 km (0.113 R)
• M4: 2,497,686 km (0.052 R)
• M5: 3,099,219 km (0.083 R)
• M6: 3,719,153 km (0.084 R)
• M7: 4,506,486 km (0.101 R)
• M8: 5,805,744 km (0.075 R)
• M9: 6,865,944 km (0.12 R)
• M10: 8,312,256 km (0.086 R)
• M11: 8,852,304 km (0.066 R)
• M12: 10,254,336 km (0.09 R)
• M13: 11,911,431 km (0.05 R)
• M14: 12,366,658 km (0.085 R)
• M15: 17,290,073 km (0.067 R)
• M16: 17,948,304 km (0.059 R)
• M17: 19,864,652 km (0.059 R)
• M18: 20,995,463 km (0.037 R)
• M19: 21,998,516 km (0.101 R)
• M20: 25,479,809 km (0.119 R)
• M21: 26,717,581 km (0.103 R)
• M22: 28,801,031 km (0.067 R)
• M23: 29,209,732 km (0.105 R)
• M24: 30,459,473 km (0.077 R)
• M25: 31,744,519 km (0.088 R)
• M26: 35,698,839 km (0.093 R)
• M27: 37,611,298 km (0.103 R)
• M28: 40,735,051 km (0.075 R)
• M29: 43,892,614 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 13.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 11.98 AU - 13.46 AU

Year: 15871 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,899,401 km

• M1: 178,021 km (0.115 R)
• M2: 1,438,982 km (0.102 R)
• M3: 2,972,510 km (0.039 R)
• M4: 5,300,851 km (0.093 R)
• M5: 5,946,515 km (0.11 R)
• M6: 7,169,029 km (0.054 R)
• M7: 13,702,118 km (0.117 R)
• M8: 19,893,525 km (0.069 R)
• M9: 21,643,970 km (0.111 R)
• M10: 35,665,180 km (0.064 R)
• M11: 38,939,877 km (0.083 R)
• M12: 41,085,410 km (0.062 R)
• M13: 44,373,272 km (0.065 R)
• M14: 50,458,913 km (0.108 R)
• M15: 53,700,699 km (0.073 R)
• M16: 55,461,466 km (0.111 R)
• M17: 56,536,177 km (0.064 R)
• M18: 58,358,429 km (0.086 R)
• M19: 62,697,365 km (0.094 R)
• M20: 63,278,703 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825

Radius: 7.6

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 12.47 AU - 16.09 AU

Year: 18879 Days

Day: 24.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,899,401 km

• M1: 94,546 km (0.059 R)
• M2: 413,189 km (0.109 R)
• M3: 900,579 km (0.113 R)
• M4: 2,302,012 km (0.066 R)
• M5: 3,940,408 km (0.075 R)
• M6: 4,397,579 km (0.06 R)
• M7: 4,745,394 km (0.084 R)
• M8: 5,535,720 km (0.078 R)
• M9: 5,900,140 km (0.064 R)
• M10: 6,858,763 km (0.103 R)
• M11: 7,327,304 km (0.074 R)
• M12: 7,968,031 km (0.117 R)
• M13: 9,136,540 km (0.076 R)
• M14: 10,971,508 km (0.077 R)
• M15: 12,142,859 km (0.102 R)
• M16: 13,181,068 km (0.086 R)
• M17: 13,539,804 km (0.077 R)
• M18: 16,984,594 km (0.075 R)
• M19: 19,089,885 km (0.051 R)
• M20: 22,667,069 km (0.07 R)
• M21: 23,078,763 km (0.066 R)
• M22: 26,213,736 km (0.047 R)
• M23: 28,177,806 km (0.091 R)
• M24: 28,773,505 km (0.093 R)
• M25: 34,384,023 km (0.118 R)
• M26: 37,875,638 km (0.072 R)
• M27: 42,058,843 km (0.031 R)
• M28: 42,680,572 km (0.107 R)
• M29: 46,871,706 km (0.099 R)
• M30: 60,877,956 km (0.045 R)
• M31: 63,284,986 km (0.081 R)
• M32: 65,338,665 km (0.028 R)
• M33: 68,074,361 km (0.112 R)
• M34: 71,765,839 km (0.057 R)
• M35: 75,359,927 km (0.111 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 14,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit