🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.5 AU - 0.56 AU

Year: 134 Days

Day: 14.1 Hours

Environment

Temp: 202 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.57 AU - 0.61 AU

Year: 158 Days

Day: 24.9 Hours

Environment

Temp: 217 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.5 AU - 1.9 AU

Year: 772 Days

Day: 24.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,921,381 km

• M1: 73,004 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.61 AU - 3.17 AU

Year: 1711 Days

Day: 35.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,921,381 km

• M1: 56,099 km (0.116 R)
• M2: 87,964 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.2

Radius: 5.4

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 17.94 AU - 20.18 AU

Year: 28979 Days

Day: 22.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 69,921,381 km

• M1: 78,688 km (0.117 R)
• M2: 147,803 km (0.074 R)
• M3: 394,490 km (0.106 R)
• M4: 992,881 km (0.087 R)
• M5: 1,224,758 km (0.063 R)
• M6: 2,144,934 km (0.104 R)
• M7: 2,546,455 km (0.097 R)
• M8: 2,791,347 km (0.055 R)
• M9: 4,920,274 km (0.045 R)
• M10: 5,050,125 km (0.102 R)
• M11: 6,128,576 km (0.114 R)
• M12: 6,221,626 km (0.101 R)
• M13: 6,268,300 km (0.097 R)
• M14: 6,550,891 km (0.056 R)
• M15: 7,472,862 km (0.06 R)
• M16: 7,622,161 km (0.12 R)
• M17: 9,328,026 km (0.041 R)
• M18: 9,813,022 km (0.074 R)
• M19: 11,202,786 km (0.088 R)
• M20: 11,949,429 km (0.045 R)
• M21: 12,182,503 km (0.117 R)
• M22: 12,416,922 km (0.1 R)
• M23: 13,129,308 km (0.057 R)
• M24: 13,551,024 km (0.12 R)
• M25: 13,793,971 km (0.054 R)
• M26: 13,977,079 km (0.073 R)
• M27: 15,281,572 km (0.08 R)
• M28: 15,344,702 km (0.112 R)
• M29: 16,236,904 km (0.088 R)
• M30: 16,624,512 km (0.077 R)
• M31: 16,884,513 km (0.076 R)
• M32: 17,606,622 km (0.103 R)
• M33: 17,938,281 km (0.116 R)
• M34: 19,284,961 km (0.106 R)
• M35: 21,083,726 km (0.105 R)
• M36: 23,079,959 km (0.076 R)
• M37: 24,394,775 km (0.039 R)
• M38: 25,583,779 km (0.118 R)
• M39: 26,109,915 km (0.06 R)
• M40: 29,340,630 km (0.074 R)
• M41: 29,419,169 km (0.092 R)
• M42: 31,162,583 km (0.073 R)
• M43: 31,724,173 km (0.104 R)
• M44: 35,164,027 km (0.072 R)
• M45: 37,182,102 km (0.119 R)
• M46: 38,978,473 km (0.045 R)
• M47: 40,453,209 km (0.105 R)
• M48: 40,540,574 km (0.12 R)
• M49: 40,627,939 km (0.106 R)
• M50: 41,505,181 km (0.079 R)
• M51: 41,946,196 km (0.12 R)
• M52: 42,743,852 km (0.042 R)
• M53: 43,457,134 km (0.051 R)
• M54: 44,174,306 km (0.075 R)
• M55: 44,534,389 km (0.1 R)
• M56: 47,726,209 km (0.081 R)
• M57: 48,465,970 km (0.078 R)
• M58: 49,582,868 km (0.097 R)
• M59: 49,957,012 km (0.077 R)
• M60: 50,050,810 km (0.11 R)
• M61: 50,896,636 km (0.025 R)
• M62: 51,841,945 km (0.113 R)
• M63: 52,126,780 km (0.074 R)
• M64: 52,888,532 km (0.069 R)
• M65: 56,069,880 km (0.108 R)
• M66: 57,831,096 km (0.096 R)
• M67: 62,918,770 km (0.077 R)
• M68: 63,121,176 km (0.047 R)
• M69: 64,034,770 km (0.098 R)
• M70: 64,136,497 km (0.113 R)
• M71: 65,772,349 km (0.091 R)
• M72: 66,698,510 km (0.107 R)
• M73: 68,147,664 km (0.064 R)

Kuiper Belt

Range: 31.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 14,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit