🌌 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: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.44 AU - 0.72 AU

Year: 169 Days

Day: 12.4 Hours

Environment

Temp: 163 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.64 AU - 1.04 AU

Year: 295 Days

Day: 18.7 Hours

Environment

Temp: 26 °C

Axial Tilt: 27.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 19,753,480 km

• M1: 67,917 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.81 AU - 0.91 AU

Year: 305 Days

Day: 13.6 Hours

Environment

Temp: 43 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.09 AU - 3.39 AU

Year: 1737 Days

Day: 33.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.24 AU - 4.04 AU

Year: 2659 Days

Day: 31.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.05 AU - 4.75 AU

Year: 2949 Days

Day: 38.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,753,480 km

• M1: 612,304 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 11.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.66 AU - 4.92 AU

Year: 3402 Days

Day: 6.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 98.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 19,753,480 km

• M1: 146,008 km (0.046 R)
• M2: 261,796 km (0.085 R)
• M3: 337,792 km (0.047 R)
• M4: 461,809 km (0.048 R)
• M5: 587,920 km (0.037 R)
• M6: 700,417 km (0.052 R)
• M7: 773,720 km (0.089 R)
• M8: 939,175 km (0.115 R)
• M9: 1,160,431 km (0.118 R)
• M10: 1,272,031 km (0.035 R)
• M11: 1,364,183 km (0.088 R)
• M12: 1,518,718 km (0.11 R)
• M13: 1,679,386 km (0.075 R)
• M14: 2,058,317 km (0.108 R)
• M15: 2,153,910 km (0.114 R)
• M16: 2,265,061 km (0.115 R)
• M17: 2,493,198 km (0.042 R)
• M18: 2,699,045 km (0.09 R)
• M19: 2,819,321 km (0.084 R)
• M20: 3,096,377 km (0.118 R)
• M21: 3,496,102 km (0.102 R)
• M22: 3,743,986 km (0.057 R)
• M23: 4,865,222 km (0.063 R)
• M24: 5,443,567 km (0.111 R)
• M25: 5,615,754 km (0.12 R)
• M26: 6,043,904 km (0.111 R)
• M27: 6,262,017 km (0.106 R)
• M28: 6,767,508 km (0.046 R)
• M29: 7,202,389 km (0.074 R)
• M30: 7,307,258 km (0.088 R)
• M31: 7,603,611 km (0.108 R)
• M32: 7,904,003 km (0.09 R)
• M33: 8,033,854 km (0.098 R)
• M34: 8,230,127 km (0.106 R)
• M35: 8,450,036 km (0.038 R)
• M36: 8,605,169 km (0.089 R)
• M37: 8,918,127 km (0.077 R)
• M38: 9,280,603 km (0.115 R)
• M39: 9,372,007 km (0.086 R)
• M40: 9,624,828 km (0.055 R)
• M41: 9,903,080 km (0.115 R)
• M42: 9,996,579 km (0.076 R)
• M43: 10,090,227 km (0.029 R)
• M44: 10,706,271 km (0.119 R)
• M45: 10,874,269 km (0.08 R)
• M46: 11,164,190 km (0.077 R)
• M47: 11,481,337 km (0.103 R)
• M48: 11,653,225 km (0.053 R)
• M49: 12,399,868 km (0.08 R)
• M50: 12,551,112 km (0.095 R)
• M51: 12,677,522 km (0.031 R)
• M52: 12,906,257 km (0.115 R)
• M53: 13,059,595 km (0.111 R)
• M54: 13,136,339 km (0.06 R)
• M55: 13,756,721 km (0.088 R)
• M56: 14,333,570 km (0.076 R)
• M57: 14,518,922 km (0.114 R)
• M58: 14,731,501 km (0.033 R)
• M59: 15,079,465 km (0.045 R)
• M60: 15,674,267 km (0.116 R)
• M61: 15,892,530 km (0.09 R)
• M62: 16,139,217 km (0.101 R)
• M63: 16,304,373 km (0.076 R)
• M64: 16,470,127 km (0.094 R)
• M65: 16,914,882 km (0.052 R)
• M66: 17,504,596 km (0.04 R)
• M67: 18,158,190 km (0.112 R)
• M68: 18,444,819 km (0.108 R)
• M69: 18,848,733 km (0.076 R)
• M70: 19,255,640 km (0.067 R)
• M71: 19,372,326 km (0.102 R)
• M72: 19,460,140 km (0.077 R)
• M73: 19,547,954 km (0.093 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 18,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit