🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.66 AU - 0.9 AU

Year: 242 Days

Day: 18.4 Hours

Environment

Temp: 118 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.68 AU - 0.98 AU

Year: 266 Days

Day: 30.8 Hours

Environment

Temp: 127 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.99 AU - 1.15 AU

Year: 389 Days

Day: 45.3 Hours

Environment

Temp: 81 °C

Axial Tilt: 29 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.31 AU - 1.43 AU

Year: 564 Days

Day: 29.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 81,156,617 km

• M1: 37,399 km (0.083 R)
• M2: 65,225 km (0.062 R)

Asteroid Belt

Center: 3.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 10.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.21 AU - 5.87 AU

Year: 4583 Days

Day: 13.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,156,617 km

• M1: 167,699 km (0.09 R)
• M2: 552,615 km (0.053 R)
• M3: 1,102,836 km (0.114 R)
• M4: 2,339,860 km (0.115 R)
• M5: 6,724,275 km (0.076 R)
• M6: 9,399,384 km (0.057 R)
• M7: 12,452,676 km (0.116 R)
• M8: 14,854,321 km (0.104 R)
• M9: 16,060,678 km (0.047 R)
• M10: 19,952,167 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 13.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.57 AU - 7.37 AU

Year: 5127 Days

Day: 8.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,156,617 km

• M1: 173,234 km (0.068 R)
• M2: 621,729 km (0.107 R)
• M3: 1,092,214 km (0.108 R)
• M4: 1,898,397 km (0.114 R)
• M5: 2,406,282 km (0.114 R)
• M6: 3,129,288 km (0.036 R)
• M7: 3,743,238 km (0.119 R)
• M8: 4,552,562 km (0.091 R)
• M9: 5,163,371 km (0.114 R)
• M10: 6,139,048 km (0.055 R)
• M11: 6,793,688 km (0.088 R)
• M12: 7,896,823 km (0.061 R)
• M13: 8,708,690 km (0.081 R)
• M14: 9,810,778 km (0.026 R)
• M15: 10,416,350 km (0.096 R)
• M16: 11,003,971 km (0.102 R)
• M17: 11,613,731 km (0.116 R)
• M18: 12,664,208 km (0.066 R)
• M19: 16,987,287 km (0.051 R)
• M20: 19,955,309 km (0.089 R)
• M21: 21,260,700 km (0.082 R)
• M22: 23,538,028 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 15

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 10.88 AU - 12.64 AU

Year: 14174 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,156,617 km

• M1: 188,493 km (0.093 R)
• M2: 848,968 km (0.074 R)
• M3: 1,439,132 km (0.111 R)
• M4: 2,247,110 km (0.08 R)
• M5: 2,800,921 km (0.12 R)
• M6: 3,471,568 km (0.078 R)
• M7: 4,678,673 km (0.069 R)
• M8: 5,811,279 km (0.065 R)
• M9: 6,383,491 km (0.097 R)
• M10: 8,520,646 km (0.027 R)
• M11: 12,475,415 km (0.088 R)
• M12: 13,961,520 km (0.092 R)
• M13: 15,275,887 km (0.103 R)
• M14: 19,630,382 km (0.051 R)
• M15: 23,017,876 km (0.041 R)
• M16: 23,586,348 km (0.107 R)
• M17: 28,803,125 km (0.107 R)
• M18: 30,359,541 km (0.082 R)
• M19: 33,639,924 km (0.071 R)
• M20: 36,762,480 km (0.099 R)
• M21: 47,283,549 km (0.066 R)
• M22: 54,305,373 km (0.093 R)
• M23: 56,677,547 km (0.099 R)
• M24: 57,194,856 km (0.037 R)
• M25: 58,063,870 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 14.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 9.49 AU - 15.01 AU

Year: 15069 Days

Day: 9.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 120.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,156,617 km

• M1: 180,415 km (0.041 R)
• M2: 890,407 km (0.068 R)
• M3: 1,353,412 km (0.099 R)
• M4: 2,017,626 km (0.085 R)
• M5: 3,215,157 km (0.11 R)
• M6: 4,239,903 km (0.089 R)
• M7: 4,750,480 km (0.088 R)
• M8: 5,268,687 km (0.088 R)
• M9: 6,851,882 km (0.092 R)
• M10: 8,405,904 km (0.083 R)
• M11: 10,236,833 km (0.073 R)
• M12: 11,106,146 km (0.101 R)
• M13: 11,674,169 km (0.12 R)
• M14: 13,179,423 km (0.118 R)
• M15: 16,572,901 km (0.092 R)
• M16: 19,027,952 km (0.103 R)
• M17: 22,878,152 km (0.114 R)
• M18: 25,324,975 km (0.071 R)
• M19: 29,100,975 km (0.051 R)
• M20: 31,179,039 km (0.106 R)
• M21: 37,243,736 km (0.059 R)
• M22: 43,490,195 km (0.084 R)
• M23: 49,025,167 km (0.049 R)
• M24: 51,177,581 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.7

Radius: 6.7

Gravity: 17.84 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 14.32 AU - 15.64 AU

Year: 20377 Days

Day: 19.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,156,617 km

• M1: 89,310 km (0.1 R)
• M2: 958,474 km (0.098 R)
• M3: 1,305,092 km (0.072 R)
• M4: 3,050,151 km (0.06 R)
• M5: 7,520,435 km (0.101 R)
• M6: 9,797,763 km (0.079 R)
• M7: 11,417,309 km (0.03 R)
• M8: 12,428,591 km (0.106 R)
• M9: 12,637,879 km (0.105 R)
• M10: 14,397,449 km (0.116 R)
• M11: 16,649,495 km (0.059 R)
• M12: 25,575,402 km (0.068 R)
• M13: 26,485,705 km (0.106 R)
• M14: 30,850,970 km (0.096 R)
• M15: 32,538,285 km (0.091 R)
• M16: 33,203,247 km (0.029 R)
• M17: 34,423,068 km (0.083 R)
• M18: 46,439,966 km (0.115 R)
• M19: 50,578,741 km (0.094 R)
• M20: 54,582,578 km (0.114 R)
• M21: 71,587,817 km (0.112 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 11,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit