🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.83 AU - 1.01 AU

Year: 319 Days

Day: 45.6 Hours

Environment

Temp: 144 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.85 AU - 1.13 AU

Year: 356 Days

Day: 37 Hours

Environment

Temp: 22 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.2 AU - 1.84 AU

Year: 678 Days

Day: 29.6 Hours

Environment

Temp: -26 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.02 AU - 4.4 AU

Year: 2584 Days

Day: 16.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.21 AU - 4.55 AU

Year: 3315 Days

Day: 20.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.83 AU - 4.97 AU

Year: 3923 Days

Day: 30.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.3

Radius: 7.4

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 16.54 AU - 16.54 AU

Year: 24327 Days

Day: 21.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 145.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 75,387,532 km

• M1: 354,697 km (0.102 R)
• M2: 694,433 km (0.055 R)
• M3: 787,034 km (0.056 R)
• M4: 859,290 km (0.12 R)
• M5: 933,790 km (0.099 R)
• M6: 2,544,809 km (0.107 R)
• M7: 2,876,617 km (0.103 R)
• M8: 3,222,039 km (0.083 R)
• M9: 3,340,072 km (0.07 R)
• M10: 3,499,842 km (0.072 R)
• M11: 3,702,996 km (0.117 R)
• M12: 4,335,795 km (0.082 R)
• M13: 4,910,999 km (0.098 R)
• M14: 5,794,374 km (0.115 R)
• M15: 6,377,208 km (0.094 R)
• M16: 6,625,690 km (0.077 R)
• M17: 6,826,600 km (0.105 R)
• M18: 7,029,754 km (0.106 R)
• M19: 7,389,836 km (0.068 R)
• M20: 9,055,758 km (0.043 R)
• M21: 9,111,408 km (0.102 R)
• M22: 9,167,208 km (0.104 R)
• M23: 9,617,198 km (0.093 R)
• M24: 9,902,033 km (0.083 R)
• M25: 10,363,692 km (0.114 R)
• M26: 11,367,643 km (0.072 R)
• M27: 11,548,058 km (0.075 R)
• M28: 12,650,445 km (0.11 R)
• M29: 12,962,506 km (0.049 R)
• M30: 13,340,390 km (0.115 R)
• M31: 14,365,884 km (0.036 R)
• M32: 14,430,809 km (0.072 R)
• M33: 14,560,959 km (0.043 R)
• M34: 15,085,449 km (0.11 R)
• M35: 15,549,502 km (0.116 R)
• M36: 16,559,587 km (0.083 R)
• M37: 17,106,965 km (0.074 R)
• M38: 17,660,178 km (0.1 R)
• M39: 17,869,316 km (0.115 R)
• M40: 19,426,929 km (0.077 R)
• M41: 20,004,078 km (0.036 R)
• M42: 24,198,802 km (0.067 R)
• M43: 25,445,551 km (0.095 R)
• M44: 26,076,704 km (0.061 R)
• M45: 27,515,686 km (0.1 R)
• M46: 28,244,676 km (0.086 R)
• M47: 28,980,249 km (0.037 R)
• M48: 31,308,291 km (0.098 R)
• M49: 33,695,873 km (0.067 R)
• M50: 34,128,361 km (0.113 R)
• M51: 34,214,978 km (0.034 R)
• M52: 34,475,577 km (0.119 R)
• M53: 34,998,721 km (0.096 R)
• M54: 35,348,930 km (0.049 R)
• M55: 35,524,558 km (0.115 R)
• M56: 36,495,298 km (0.082 R)
• M57: 37,385,256 km (0.045 R)
• M58: 38,102,428 km (0.078 R)
• M59: 38,372,602 km (0.108 R)
• M60: 39,732,596 km (0.032 R)
• M61: 40,831,991 km (0.085 R)
• M62: 41,200,750 km (0.105 R)
• M63: 41,663,157 km (0.068 R)
• M64: 42,967,052 km (0.119 R)
• M65: 43,718,183 km (0.091 R)
• M66: 44,000,923 km (0.101 R)
• M67: 44,189,715 km (0.104 R)
• M68: 44,284,261 km (0.067 R)
• M69: 44,757,888 km (0.064 R)
• M70: 45,042,872 km (0.084 R)
• M71: 45,328,604 km (0.056 R)
• M72: 47,054,813 km (0.083 R)
• M73: 47,538,015 km (0.108 R)
• M74: 49,389,587 km (0.08 R)
• M75: 50,670,145 km (0.082 R)
• M76: 52,061,106 km (0.037 R)
• M77: 52,161,038 km (0.111 R)
• M78: 52,661,143 km (0.116 R)
• M79: 53,666,291 km (0.12 R)
• M80: 56,822,208 km (0.08 R)
• M81: 57,646,492 km (0.109 R)
• M82: 57,956,459 km (0.07 R)
• M83: 58,059,981 km (0.086 R)
• M84: 59,098,190 km (0.098 R)
• M85: 59,724,108 km (0.115 R)
• M86: 62,779,943 km (0.099 R)
• M87: 62,886,307 km (0.059 R)
• M88: 66,969,132 km (0.103 R)
• M89: 72,358,695 km (0.086 R)
• M90: 73,587,641 km (0.119 R)
• M91: 73,699,690 km (0.057 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 15,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit