🌌 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: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.48 AU - 0.68 AU

Year: 162 Days

Day: 14.8 Hours

Environment

Temp: 210 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,425,148 km

• M1: 112,049 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.58 AU - 0.76 AU

Year: 201 Days

Day: 41.4 Hours

Environment

Temp: 122 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.75 AU - 0.79 AU

Year: 248 Days

Day: 23.6 Hours

Environment

Temp: 136 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.95 AU - 3.09 AU

Year: 1468 Days

Day: 40.8 Hours

Environment

Temp: -98 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,425,148 km

• M1: 1,345,932 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.5 AU - 3.86 AU

Year: 2082 Days

Day: 39.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.09 AU - 4.25 AU

Year: 3126 Days

Day: 24.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.5

Radius: 13.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.13 AU - 12.53 AU

Year: 12188 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 37,425,148 km

• M1: 179,817 km (0.083 R)
• M2: 275,709 km (0.047 R)
• M3: 383,569 km (0.105 R)
• M4: 479,611 km (0.061 R)
• M5: 1,061,247 km (0.041 R)
• M6: 1,295,817 km (0.04 R)
• M7: 1,419,833 km (0.115 R)
• M8: 1,585,588 km (0.072 R)
• M9: 1,797,119 km (0.081 R)
• M10: 1,997,730 km (0.087 R)
• M11: 2,378,157 km (0.05 R)
• M12: 2,599,562 km (0.047 R)
• M13: 2,921,198 km (0.083 R)
• M14: 3,039,230 km (0.091 R)
• M15: 3,427,886 km (0.101 R)
• M16: 3,603,065 km (0.045 R)
• M17: 4,226,289 km (0.102 R)
• M18: 4,883,174 km (0.098 R)
• M19: 5,109,366 km (0.073 R)
• M20: 6,291,937 km (0.032 R)
• M21: 6,383,940 km (0.102 R)
• M22: 6,945,829 km (0.117 R)
• M23: 7,686,937 km (0.07 R)
• M24: 8,318,240 km (0.087 R)
• M25: 8,589,012 km (0.085 R)
• M26: 9,104,676 km (0.081 R)
• M27: 9,986,555 km (0.088 R)
• M28: 10,166,222 km (0.109 R)
• M29: 10,274,531 km (0.057 R)
• M30: 10,383,289 km (0.095 R)
• M31: 10,675,154 km (0.118 R)
• M32: 11,043,614 km (0.05 R)
• M33: 11,416,412 km (0.101 R)
• M34: 11,831,247 km (0.112 R)
• M35: 12,174,424 km (0.12 R)
• M36: 12,870,653 km (0.107 R)
• M37: 13,027,132 km (0.115 R)
• M38: 13,460,667 km (0.067 R)
• M39: 14,140,140 km (0.09 R)
• M40: 14,748,854 km (0.059 R)
• M41: 14,871,674 km (0.087 R)
• M42: 15,118,211 km (0.108 R)
• M43: 16,244,833 km (0.099 R)
• M44: 16,371,692 km (0.065 R)
• M45: 17,701,766 km (0.111 R)
• M46: 17,875,898 km (0.086 R)
• M47: 18,181,976 km (0.109 R)
• M48: 18,489,848 km (0.105 R)
• M49: 18,755,235 km (0.101 R)
• M50: 20,647,349 km (0.107 R)
• M51: 20,830,756 km (0.111 R)
• M52: 21,199,065 km (0.105 R)
• M53: 22,599,750 km (0.107 R)
• M54: 23,120,800 km (0.119 R)
• M55: 23,502,125 km (0.083 R)
• M56: 23,741,631 km (0.117 R)
• M57: 24,561,876 km (0.113 R)
• M58: 24,902,361 km (0.038 R)
• M59: 25,489,682 km (0.112 R)
• M60: 25,735,770 km (0.09 R)
• M61: 26,180,525 km (0.039 R)
• M62: 26,478,674 km (0.087 R)
• M63: 26,727,754 km (0.116 R)
• M64: 26,827,685 km (0.079 R)
• M65: 27,178,343 km (0.088 R)
• M66: 28,749,420 km (0.083 R)
• M67: 28,851,745 km (0.056 R)
• M68: 29,778,653 km (0.082 R)
• M69: 29,985,996 km (0.05 R)
• M70: 30,141,727 km (0.102 R)
• M71: 30,558,507 km (0.115 R)
• M72: 30,662,926 km (0.101 R)
• M73: 31,029,590 km (0.095 R)
• M74: 31,239,775 km (0.087 R)
• M75: 33,690,488 km (0.093 R)
• M76: 35,706,319 km (0.117 R)
• M77: 35,816,423 km (0.112 R)
• M78: 36,091,982 km (0.065 R)
• M79: 36,479,142 km (0.084 R)
• M80: 36,867,797 km (0.12 R)
• M81: 37,369,249 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 14,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit