🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.65 AU - 0.89 AU

Year: 253 Days

Day: 34.5 Hours

Environment

Temp: 127 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,205,445 km

• M1: 66,122 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.91 AU - 1.09 AU

Year: 375 Days

Day: 40.4 Hours

Environment

Temp: 23 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,205,445 km

• M1: 50,414 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.88 AU - 1.34 AU

Year: 438 Days

Day: 45.3 Hours

Environment

Temp: -9 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.16 AU - 1.24 AU

Year: 493 Days

Day: 44.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.2 AU - 1.66 AU

Year: 641 Days

Day: 14.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,205,445 km

• M1: 180,565 km (0.106 R)
• M2: 476,469 km (0.099 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.88 AU - 2.84 AU

Year: 1359 Days

Day: 22.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,205,445 km

• M1: 42,635 km (0.079 R)
• M2: 81,980 km (0.108 R)

Asteroid Belt

Center: 9.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.2

Radius: 7.6

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 15.85 AU - 18.45 AU

Year: 26615 Days

Day: 15.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,205,445 km

• M1: 122,221 km (0.091 R)
• M2: 399,875 km (0.098 R)
• M3: 779,106 km (0.113 R)
• M4: 3,293,248 km (0.107 R)
• M5: 3,723,341 km (0.107 R)
• M6: 4,963,358 km (0.094 R)
• M7: 5,241,161 km (0.086 R)
• M8: 7,486,476 km (0.107 R)
• M9: 8,451,831 km (0.105 R)
• M10: 10,305,199 km (0.067 R)
• M11: 11,914,573 km (0.115 R)
• M12: 12,269,868 km (0.056 R)
• M13: 12,559,190 km (0.111 R)
• M14: 13,001,701 km (0.082 R)
• M15: 13,378,238 km (0.083 R)
• M16: 14,153,455 km (0.104 R)
• M17: 14,713,549 km (0.091 R)
• M18: 18,389,617 km (0.116 R)
• M19: 19,444,881 km (0.089 R)
• M20: 20,641,365 km (0.052 R)
• M21: 21,154,186 km (0.053 R)
• M22: 22,098,597 km (0.113 R)
• M23: 23,180,639 km (0.102 R)
• M24: 24,071,195 km (0.086 R)
• M25: 30,689,255 km (0.093 R)
• M26: 41,591,350 km (0.109 R)
• M27: 51,187,006 km (0.06 R)
• M28: 52,505,113 km (0.077 R)
• M29: 53,268,361 km (0.068 R)
• M30: 55,012,672 km (0.119 R)
• M31: 61,101,904 km (0.074 R)
• M32: 69,669,374 km (0.07 R)
• M33: 72,223,010 km (0.097 R)
• M34: 78,009,904 km (0.103 R)
• M35: 83,579,283 km (0.107 R)
• M36: 85,405,574 km (0.114 R)
• M37: 91,317,831 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.4

Radius: 3.8

Gravity: 39.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 15.24 AU - 19.44 AU

Year: 27058 Days

Day: 18.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,205,445 km

• M1: 47,273 km (0.096 R)
• M2: 230,082 km (0.11 R)
• M3: 365,617 km (0.12 R)
• M4: 734,077 km (0.118 R)
• M5: 1,094,009 km (0.1 R)
• M6: 1,492,388 km (0.105 R)
• M7: 1,960,480 km (0.116 R)
• M8: 2,307,697 km (0.09 R)
• M9: 3,151,130 km (0.067 R)
• M10: 3,383,006 km (0.09 R)
• M11: 4,012,963 km (0.05 R)
• M12: 4,606,866 km (0.117 R)
• M13: 5,059,998 km (0.117 R)
• M14: 5,667,366 km (0.08 R)
• M15: 5,794,374 km (0.095 R)
• M16: 5,923,328 km (0.061 R)
• M17: 6,643,941 km (0.098 R)
• M18: 8,475,617 km (0.095 R)
• M19: 10,238,628 km (0.039 R)
• M20: 10,364,290 km (0.118 R)
• M21: 12,804,082 km (0.086 R)
• M22: 15,934,866 km (0.078 R)
• M23: 20,420,109 km (0.049 R)
• M24: 24,652,084 km (0.098 R)
• M25: 27,211,553 km (0.119 R)
• M26: 27,816,826 km (0.098 R)
• M27: 30,457,977 km (0.066 R)
• M28: 32,850,795 km (0.086 R)
• M29: 40,932,969 km (0.041 R)
• M30: 42,856,648 km (0.102 R)
• M31: 47,056,309 km (0.101 R)
• M32: 50,063,526 km (0.045 R)
• M33: 51,154,693 km (0.034 R)
• M34: 53,384,599 km (0.041 R)
• M35: 54,142,013 km (0.082 R)
• M36: 54,714,823 km (0.086 R)
• M37: 54,906,607 km (0.106 R)
• M38: 56,653,162 km (0.08 R)
• M39: 70,379,964 km (0.065 R)
• M40: 73,600,806 km (0.085 R)
• M41: 73,834,627 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 19,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit