🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.64 AU - 0.8 AU

Year: 234 Days

Day: 22.1 Hours

Environment

Temp: 170 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,557,703 km

• M1: 186,399 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.9 AU - 0.98 AU

Year: 349 Days

Day: 14 Hours

Environment

Temp: 29 °C

Axial Tilt: 8.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.57 AU - 2.57 AU

Year: 1577 Days

Day: 25.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.01 AU - 4.59 AU

Year: 2836 Days

Day: 47 Hours

Environment

Temp: -122 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 10.9

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.47 AU - 6.83 AU

Year: 5840 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,557,703 km

• M1: 135,536 km (0.119 R)
• M2: 502,798 km (0.117 R)
• M3: 1,588,430 km (0.058 R)
• M4: 2,145,233 km (0.053 R)
• M5: 2,702,486 km (0.101 R)
• M6: 5,080,044 km (0.09 R)
• M7: 6,750,006 km (0.095 R)
• M8: 9,081,488 km (0.076 R)
• M9: 17,009,427 km (0.107 R)
• M10: 20,529,316 km (0.108 R)
• M11: 23,565,255 km (0.119 R)
• M12: 28,441,398 km (0.045 R)
• M13: 29,599,584 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 11.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.18 AU - 7.74 AU

Year: 7801 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,557,703 km

• M1: 138,079 km (0.11 R)
• M2: 654,042 km (0.113 R)
• M3: 1,052,720 km (0.043 R)
• M4: 1,449,753 km (0.109 R)
• M5: 2,867,791 km (0.037 R)
• M6: 3,291,452 km (0.042 R)
• M7: 4,372,895 km (0.043 R)
• M8: 5,360,092 km (0.102 R)
• M9: 7,892,484 km (0.116 R)
• M10: 8,262,290 km (0.102 R)
• M11: 8,730,083 km (0.09 R)
• M12: 12,571,457 km (0.081 R)
• M13: 12,963,403 km (0.09 R)
• M14: 13,949,553 km (0.092 R)
• M15: 15,172,964 km (0.056 R)
• M16: 16,136,524 km (0.106 R)
• M17: 18,832,278 km (0.089 R)
• M18: 23,629,732 km (0.109 R)
• M19: 24,141,656 km (0.072 R)
• M20: 25,187,644 km (0.056 R)
• M21: 27,463,626 km (0.106 R)
• M22: 33,265,630 km (0.077 R)
• M23: 34,560,399 km (0.088 R)
• M24: 36,451,616 km (0.106 R)
• M25: 38,176,928 km (0.087 R)
• M26: 39,715,692 km (0.097 R)
• M27: 40,804,914 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.8

Radius: 12

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 9.38 AU - 12.74 AU

Year: 14083 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,557,703 km

• M1: 149,299 km (0.102 R)
• M2: 524,640 km (0.102 R)
• M3: 1,116,748 km (0.118 R)
• M4: 1,565,243 km (0.103 R)
• M5: 2,205,671 km (0.105 R)
• M6: 2,817,078 km (0.063 R)
• M7: 3,317,482 km (0.102 R)
• M8: 5,452,693 km (0.075 R)
• M9: 7,377,718 km (0.041 R)
• M10: 7,759,492 km (0.066 R)
• M11: 8,154,580 km (0.084 R)
• M12: 8,937,725 km (0.102 R)
• M13: 9,421,375 km (0.093 R)
• M14: 10,283,806 km (0.1 R)
• M15: 13,688,953 km (0.079 R)
• M16: 14,529,544 km (0.094 R)
• M17: 15,610,987 km (0.072 R)
• M18: 19,739,888 km (0.104 R)
• M19: 20,478,602 km (0.119 R)
• M20: 28,910,985 km (0.12 R)
• M21: 29,650,298 km (0.03 R)
• M22: 30,402,177 km (0.096 R)
• M23: 32,393,773 km (0.11 R)
• M24: 33,076,538 km (0.06 R)
• M25: 34,588,823 km (0.055 R)
• M26: 38,127,860 km (0.086 R)
• M27: 40,836,628 km (0.086 R)
• M28: 41,366,803 km (0.1 R)
• M29: 43,947,815 km (0.048 R)
• M30: 44,364,894 km (0.064 R)
• M31: 45,348,500 km (0.096 R)
• M32: 47,359,245 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 10,515 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit