🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.5 AU - 0.52 AU

Year: 139 Days

Day: 35.8 Hours

Environment

Temp: 180 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.55 AU - 0.69 AU

Year: 187 Days

Day: 30.5 Hours

Environment

Temp: 156 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.85 AU - 0.95 AU

Year: 327 Days

Day: 13.9 Hours

Environment

Temp: 35 °C

Axial Tilt: 13.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,538,403 km

• M1: 153,936 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.05 AU - 1.33 AU

Year: 497 Days

Day: 28.1 Hours

Environment

Temp: -19 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,538,403 km

• M1: 745,446 km (0.064 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.14 AU - 1.7 AU

Year: 648 Days

Day: 45.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.3 AU - 1.78 AU

Year: 732 Days

Day: 46.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.74 AU - 2.22 AU

Year: 1067 Days

Day: 44.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,538,403 km

• M1: 934,538 km (0.074 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.68 AU - 3.48 AU

Year: 2070 Days

Day: 17.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,538,403 km

• M1: 677,678 km (0.073 R)

Planet 9 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.09 AU - 3.35 AU

Year: 2212 Days

Day: 13.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Ice Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.8

Radius: 5.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 11.86 AU - 11.94 AU

Year: 15718 Days

Day: 20.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 42,538,403 km

• M1: 264,938 km (0.062 R)
• M2: 512,522 km (0.094 R)
• M3: 1,657,844 km (0.068 R)
• M4: 1,722,320 km (0.102 R)
• M5: 2,484,222 km (0.03 R)
• M6: 2,809,747 km (0.065 R)
• M7: 3,390,785 km (0.057 R)
• M8: 3,723,192 km (0.092 R)
• M9: 4,781,447 km (0.062 R)
• M10: 4,842,782 km (0.07 R)
• M11: 5,090,816 km (0.111 R)
• M12: 6,190,958 km (0.057 R)
• M13: 6,562,111 km (0.05 R)
• M14: 7,114,725 km (0.108 R)
• M15: 9,547,486 km (0.078 R)
• M16: 9,858,350 km (0.106 R)
• M17: 9,975,784 km (0.117 R)
• M18: 10,810,690 km (0.057 R)
• M19: 11,750,614 km (0.104 R)
• M20: 11,833,640 km (0.088 R)
• M21: 13,058,398 km (0.062 R)
• M22: 13,838,701 km (0.09 R)
• M23: 15,444,035 km (0.043 R)
• M24: 16,453,671 km (0.1 R)
• M25: 17,013,467 km (0.082 R)
• M26: 17,201,362 km (0.094 R)
• M27: 17,816,957 km (0.1 R)
• M28: 18,488,053 km (0.051 R)
• M29: 18,875,212 km (0.116 R)
• M30: 20,251,213 km (0.103 R)
• M31: 20,300,880 km (0.093 R)
• M32: 20,600,225 km (0.041 R)
• M33: 20,900,917 km (0.096 R)
• M34: 22,272,131 km (0.097 R)
• M35: 23,462,930 km (0.087 R)
• M36: 25,906,013 km (0.098 R)
• M37: 25,960,018 km (0.074 R)
• M38: 26,339,099 km (0.089 R)
• M39: 26,502,160 km (0.099 R)
• M40: 26,665,521 km (0.108 R)
• M41: 26,883,785 km (0.1 R)
• M42: 28,763,332 km (0.09 R)
• M43: 29,324,175 km (0.11 R)
• M44: 29,493,220 km (0.111 R)
• M45: 31,028,394 km (0.092 R)
• M46: 31,085,690 km (0.069 R)
• M47: 31,258,026 km (0.068 R)
• M48: 32,240,286 km (0.052 R)
• M49: 33,703,054 km (0.111 R)
• M50: 34,829,077 km (0.095 R)
• M51: 36,148,381 km (0.077 R)
• M52: 36,269,106 km (0.041 R)
• M53: 37,789,769 km (0.107 R)
• M54: 39,393,158 km (0.116 R)
• M55: 39,579,557 km (0.085 R)
• M56: 40,015,635 km (0.107 R)
• M57: 40,390,827 km (0.109 R)
• M58: 41,396,872 km (0.104 R)
• M59: 41,712,823 km (0.118 R)
• M60: 41,776,253 km (0.068 R)
• M61: 41,839,532 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 11,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit