🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.48 AU - 0.72 AU

Year: 164 Days

Day: 29.2 Hours

Environment

Temp: 247 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.68 AU - 2.04 AU

Year: 896 Days

Day: 13.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,323,797 km

• M1: 635,342 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.64 AU - 4.02 AU

Year: 2146 Days

Day: 18.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,323,797 km

• M1: 375,042 km (0.084 R)
• M2: 1,307,934 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.04 AU - 6.32 AU

Year: 4163 Days

Day: 23.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 17.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.3

Radius: 3

Gravity: 23.81 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 15.39 AU - 19.63 AU

Year: 25872 Days

Day: 21.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 61,323,797 km

• M1: 73,153 km (0.054 R)
• M2: 173,085 km (0.069 R)
• M3: 438,621 km (0.073 R)
• M4: 583,731 km (0.091 R)
• M5: 722,558 km (0.108 R)
• M6: 743,202 km (0.105 R)
• M7: 1,221,317 km (0.087 R)
• M8: 1,582,895 km (0.064 R)
• M9: 1,946,418 km (0.116 R)
• M10: 2,122,495 km (0.115 R)
• M11: 4,295,254 km (0.066 R)
• M12: 4,601,032 km (0.037 R)
• M13: 4,678,673 km (0.103 R)
• M14: 5,033,071 km (0.101 R)
• M15: 5,314,614 km (0.088 R)
• M16: 5,684,270 km (0.115 R)
• M17: 6,361,350 km (0.112 R)
• M18: 7,836,385 km (0.08 R)
• M19: 8,022,186 km (0.032 R)
• M20: 8,683,408 km (0.025 R)
• M21: 8,875,492 km (0.083 R)
• M22: 9,263,998 km (0.105 R)
• M23: 9,707,555 km (0.097 R)
• M24: 10,769,252 km (0.116 R)
• M25: 10,820,863 km (0.072 R)
• M26: 11,131,278 km (0.111 R)
• M27: 11,602,661 km (0.085 R)
• M28: 12,618,880 km (0.101 R)
• M29: 13,275,165 km (0.113 R)
• M30: 14,223,915 km (0.063 R)
• M31: 14,620,798 km (0.097 R)
• M32: 16,067,858 km (0.102 R)
• M33: 16,303,625 km (0.109 R)
• M34: 16,540,588 km (0.12 R)
• M35: 17,438,923 km (0.057 R)
• M36: 18,599,503 km (0.088 R)
• M37: 19,974,158 km (0.071 R)
• M38: 20,037,438 km (0.059 R)
• M39: 21,187,397 km (0.099 R)
• M40: 21,900,679 km (0.115 R)
• M41: 22,031,129 km (0.073 R)
• M42: 23,684,484 km (0.107 R)
• M43: 25,035,503 km (0.073 R)
• M44: 25,582,881 km (0.107 R)
• M45: 26,898,744 km (0.071 R)
• M46: 27,600,059 km (0.112 R)
• M47: 27,740,980 km (0.094 R)
• M48: 28,094,480 km (0.105 R)
• M49: 29,523,439 km (0.109 R)
• M50: 29,812,013 km (0.12 R)
• M51: 31,636,808 km (0.057 R)
• M52: 32,674,569 km (0.089 R)
• M53: 34,024,839 km (0.09 R)
• M54: 35,700,036 km (0.107 R)
• M55: 37,401,712 km (0.108 R)
• M56: 40,083,104 km (0.081 R)
• M57: 42,989,043 km (0.057 R)
• M58: 43,972,649 km (0.062 R)
• M59: 44,715,103 km (0.07 R)
• M60: 45,461,895 km (0.092 R)
• M61: 46,463,902 km (0.073 R)
• M62: 48,829,942 km (0.068 R)
• M63: 49,427,585 km (0.03 R)
• M64: 51,061,942 km (0.114 R)
• M65: 51,842,245 km (0.053 R)
• M66: 53,414,668 km (0.117 R)
• M67: 53,942,299 km (0.049 R)
• M68: 54,294,902 km (0.099 R)
• M69: 57,863,858 km (0.099 R)

Kuiper Belt

Range: 31.1 - 58.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 19,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit