🌌 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: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.47 AU - 0.69 AU

Year: 160 Days

Day: 25.2 Hours

Environment

Temp: 180 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,060,449 km

• M1: 468,541 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.45 AU - 1.91 AU

Year: 788 Days

Day: 26.4 Hours

Environment

Temp: -41 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.13 AU - 4.29 AU

Year: 3124 Days

Day: 45.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 19.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51

Radius: 6.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 19.78 AU - 20.18 AU

Year: 32299 Days

Day: 24 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 44,060,449 km

• M1: 210,185 km (0.095 R)
• M2: 291,865 km (0.094 R)
• M3: 361,428 km (0.07 R)
• M4: 562,787 km (0.038 R)
• M5: 652,995 km (0.104 R)
• M6: 700,118 km (0.066 R)
• M7: 1,099,544 km (0.114 R)
• M8: 3,584,963 km (0.115 R)
• M9: 3,699,107 km (0.04 R)
• M10: 3,785,425 km (0.054 R)
• M11: 3,989,626 km (0.035 R)
• M12: 4,078,188 km (0.088 R)
• M13: 4,197,267 km (0.084 R)
• M14: 4,408,649 km (0.107 R)
• M15: 4,967,996 km (0.099 R)
• M16: 5,031,575 km (0.063 R)
• M17: 5,127,467 km (0.09 R)
• M18: 5,256,121 km (0.083 R)
• M19: 5,915,698 km (0.091 R)
• M20: 6,186,919 km (0.093 R)
• M21: 6,289,543 km (0.045 R)
• M22: 6,601,156 km (0.113 R)
• M23: 7,275,543 km (0.083 R)
• M24: 7,675,867 km (0.073 R)
• M25: 8,046,121 km (0.07 R)
• M26: 8,765,388 km (0.106 R)
• M27: 9,074,457 km (0.079 R)
• M28: 9,191,293 km (0.117 R)
• M29: 10,023,057 km (0.071 R)
• M30: 10,184,174 km (0.09 R)
• M31: 12,098,129 km (0.075 R)
• M32: 12,312,653 km (0.088 R)
• M33: 14,164,824 km (0.093 R)
• M34: 14,210,003 km (0.101 R)
• M35: 14,527,300 km (0.079 R)
• M36: 16,243,486 km (0.044 R)
• M37: 16,527,722 km (0.105 R)
• M38: 17,149,302 km (0.07 R)
• M39: 17,197,472 km (0.079 R)
• M40: 17,632,802 km (0.113 R)
• M41: 17,778,660 km (0.088 R)
• M42: 19,459,841 km (0.11 R)
• M43: 21,605,672 km (0.104 R)
• M44: 22,337,505 km (0.11 R)
• M45: 22,442,673 km (0.065 R)
• M46: 22,759,371 km (0.093 R)
• M47: 23,396,957 km (0.108 R)
• M48: 24,256,397 km (0.031 R)
• M49: 26,839,803 km (0.081 R)
• M50: 26,895,752 km (0.088 R)
• M51: 27,626,089 km (0.115 R)
• M52: 28,877,027 km (0.119 R)
• M53: 29,624,717 km (0.106 R)
• M54: 33,097,781 km (0.088 R)
• M55: 34,303,989 km (0.066 R)
• M56: 34,486,199 km (0.049 R)
• M57: 37,132,585 km (0.101 R)
• M58: 39,143,779 km (0.06 R)
• M59: 39,524,954 km (0.115 R)
• M60: 39,779,570 km (0.091 R)
• M61: 39,843,298 km (0.112 R)
• M62: 40,739,689 km (0.111 R)
• M63: 40,803,866 km (0.114 R)
• M64: 41,190,278 km (0.075 R)
• M65: 41,772,064 km (0.115 R)
• M66: 41,836,840 km (0.052 R)
• M67: 43,271,334 km (0.112 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 13,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit