🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.54 AU - 0.64 AU

Year: 163 Days

Day: 43.6 Hours

Environment

Temp: 204 °C

Axial Tilt: 43.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,346,692 km

• M1: 39,045 km (0.06 R)
• M2: 65,374 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.93 AU - 1.17 AU

Year: 387 Days

Day: 21.6 Hours

Environment

Temp: 43 °C

Axial Tilt: 92.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,346,692 km

• M1: 122,221 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.18 AU - 1.6 AU

Year: 590 Days

Day: 36.6 Hours

Environment

Temp: -5 °C

Axial Tilt: 46.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.22 AU - 1.68 AU

Year: 628 Days

Day: 12.9 Hours

Environment

Temp: -0 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,346,692 km

• M1: 501,602 km (0.111 R)
• M2: 888,163 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.85 AU - 4.17 AU

Year: 2890 Days

Day: 47.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.83 AU - 4.97 AU

Year: 3904 Days

Day: 30.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.5

Radius: 11.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.03 AU - 5.67 AU

Year: 4454 Days

Day: 6.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,346,692 km

• M1: 145,708 km (0.119 R)
• M2: 600,486 km (0.062 R)
• M3: 1,779,317 km (0.104 R)
• M4: 2,714,753 km (0.102 R)
• M5: 3,775,102 km (0.113 R)
• M6: 5,509,839 km (0.084 R)
• M7: 6,468,762 km (0.109 R)
• M8: 12,245,782 km (0.08 R)
• M9: 14,837,715 km (0.058 R)
• M10: 15,386,739 km (0.058 R)
• M11: 20,401,410 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.8

Radius: 10.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.63 AU - 8.49 AU

Year: 6751 Days

Day: 6.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,346,692 km

• M1: 128,355 km (0.069 R)
• M2: 733,628 km (0.12 R)
• M3: 1,060,948 km (0.075 R)
• M4: 1,533,378 km (0.118 R)
• M5: 3,295,641 km (0.113 R)
• M6: 6,098,956 km (0.105 R)
• M7: 7,090,640 km (0.056 R)
• M8: 8,043,429 km (0.108 R)
• M9: 10,285,751 km (0.049 R)
• M10: 10,797,077 km (0.076 R)
• M11: 11,870,741 km (0.089 R)
• M12: 12,576,992 km (0.104 R)
• M13: 14,229,151 km (0.091 R)
• M14: 21,050,664 km (0.033 R)
• M15: 23,443,632 km (0.102 R)
• M16: 24,857,033 km (0.054 R)
• M17: 25,391,845 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495

Radius: 4.3

Gravity: 26.77 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 14.46 AU - 16.4 AU

Year: 21813 Days

Day: 22.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,346,692 km

• M1: 54,304 km (0.087 R)
• M2: 235,317 km (0.097 R)
• M3: 549,323 km (0.094 R)
• M4: 1,368,521 km (0.108 R)
• M5: 1,762,413 km (0.051 R)
• M6: 2,400,298 km (0.098 R)
• M7: 2,604,499 km (0.053 R)
• M8: 3,126,595 km (0.063 R)
• M9: 3,426,390 km (0.05 R)
• M10: 4,785,187 km (0.093 R)
• M11: 4,963,508 km (0.06 R)
• M12: 5,295,615 km (0.092 R)
• M13: 5,801,256 km (0.111 R)
• M14: 6,128,127 km (0.112 R)
• M15: 8,506,733 km (0.089 R)
• M16: 9,199,072 km (0.04 R)
• M17: 9,530,880 km (0.095 R)
• M18: 10,454,797 km (0.064 R)
• M19: 10,877,261 km (0.098 R)
• M20: 14,452,650 km (0.096 R)
• M21: 15,746,971 km (0.084 R)
• M22: 16,141,909 km (0.096 R)
• M23: 16,382,164 km (0.043 R)
• M24: 16,787,574 km (0.06 R)
• M25: 18,389,617 km (0.057 R)
• M26: 19,542,718 km (0.058 R)
• M27: 21,313,508 km (0.101 R)
• M28: 25,277,552 km (0.088 R)
• M29: 26,147,314 km (0.086 R)
• M30: 28,061,419 km (0.085 R)
• M31: 28,408,486 km (0.118 R)
• M32: 29,348,409 km (0.081 R)
• M33: 31,788,500 km (0.05 R)
• M34: 35,426,870 km (0.099 R)
• M35: 43,516,973 km (0.114 R)
• M36: 44,293,985 km (0.054 R)
• M37: 55,253,076 km (0.111 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 10,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit