🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.06 AU - 1.06 AU

Year: 387 Days

Day: 30.3 Hours

Environment

Temp: 41 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.43 AU - 1.71 AU

Year: 698 Days

Day: 20.7 Hours

Environment

Temp: -22 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.5 AU - 2.1 AU

Year: 857 Days

Day: 15.9 Hours

Environment

Temp: -55 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.4 AU - 2.34 AU

Year: 907 Days

Day: 31 Hours

Environment

Temp: -44 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.92 AU - 2.28 AU

Year: 1080 Days

Day: 37.6 Hours

Environment

Temp: -67 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,273,955 km

• M1: 1,604,736 km (0.086 R)
• M2: 1,668,315 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.38 AU - 4.13 AU

Year: 2576 Days

Day: 47.7 Hours

Environment

Temp: -103 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.05 AU - 5.39 AU

Year: 3638 Days

Day: 33.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 8.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.22 AU - 8.06 AU

Year: 6768 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 25,273,955 km

• M1: 128,505 km (0.105 R)
• M2: 206,445 km (0.115 R)
• M3: 286,031 km (0.106 R)
• M4: 422,764 km (0.113 R)
• M5: 476,768 km (0.089 R)
• M6: 665,711 km (0.099 R)
• M7: 752,776 km (0.111 R)
• M8: 890,855 km (0.091 R)
• M9: 1,012,628 km (0.111 R)
• M10: 1,114,205 km (0.112 R)
• M11: 1,327,681 km (0.113 R)
• M12: 1,747,902 km (0.033 R)
• M13: 1,886,579 km (0.059 R)
• M14: 2,174,854 km (0.102 R)
• M15: 2,477,191 km (0.068 R)
• M16: 2,686,179 km (0.086 R)
• M17: 3,215,157 km (0.088 R)
• M18: 3,716,609 km (0.057 R)
• M19: 3,835,689 km (0.061 R)
• M20: 4,180,363 km (0.107 R)
• M21: 4,791,321 km (0.084 R)
• M22: 5,229,044 km (0.115 R)
• M23: 5,452,693 km (0.101 R)
• M24: 5,817,113 km (0.104 R)
• M25: 5,909,415 km (0.106 R)
• M26: 6,426,126 km (0.076 R)
• M27: 6,932,665 km (0.112 R)
• M28: 7,153,770 km (0.049 R)
• M29: 7,527,466 km (0.104 R)
• M30: 7,603,013 km (0.079 R)
• M31: 7,958,756 km (0.118 R)
• M32: 8,581,233 km (0.057 R)
• M33: 8,686,400 km (0.104 R)
• M34: 10,204,819 km (0.086 R)
• M35: 10,316,419 km (0.102 R)
• M36: 10,851,979 km (0.099 R)
• M37: 10,908,826 km (0.078 R)
• M38: 10,965,823 km (0.11 R)
• M39: 11,657,564 km (0.085 R)
• M40: 12,067,611 km (0.072 R)
• M41: 12,126,703 km (0.1 R)
• M42: 12,244,885 km (0.096 R)
• M43: 12,333,746 km (0.064 R)
• M44: 12,422,906 km (0.109 R)
• M45: 12,601,825 km (0.104 R)
• M46: 12,811,711 km (0.028 R)
• M47: 13,754,776 km (0.107 R)
• M48: 14,001,762 km (0.059 R)
• M49: 14,125,929 km (0.107 R)
• M50: 14,562,904 km (0.118 R)
• M51: 14,657,151 km (0.115 R)
• M52: 15,195,105 km (0.111 R)
• M53: 16,030,309 km (0.079 R)
• M54: 16,322,773 km (0.092 R)
• M55: 16,781,440 km (0.11 R)
• M56: 17,045,331 km (0.091 R)
• M57: 17,111,603 km (0.105 R)
• M58: 17,377,289 km (0.087 R)
• M59: 18,623,888 km (0.111 R)
• M60: 19,516,987 km (0.053 R)
• M61: 19,759,784 km (0.104 R)
• M62: 20,178,359 km (0.11 R)
• M63: 20,353,688 km (0.097 R)
• M64: 20,776,451 km (0.116 R)
• M65: 20,918,121 km (0.09 R)
• M66: 21,166,603 km (0.08 R)
• M67: 21,666,559 km (0.091 R)
• M68: 23,153,113 km (0.113 R)
• M69: 23,226,565 km (0.111 R)
• M70: 23,668,328 km (0.072 R)
• M71: 23,779,180 km (0.115 R)
• M72: 24,522,681 km (0.079 R)
• M73: 24,672,429 km (0.067 R)
• M74: 25,047,770 km (0.085 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 17,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit