🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.51 AU - 0.53 AU

Year: 238 Days

Day: 44.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.9

Radius: 10.5

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.02 AU - 1.6 AU

Year: 953 Days

Day: 14.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,903,080 km

• M1: 130,599 km (0.091 R)
• M2: 496,216 km (0.11 R)
• M3: 1,086,679 km (0.087 R)
• M4: 1,486,704 km (0.09 R)
• M5: 1,975,290 km (0.114 R)
• M6: 2,521,173 km (0.089 R)
• M7: 2,856,272 km (0.058 R)
• M8: 3,292,350 km (0.036 R)
• M9: 3,710,177 km (0.058 R)
• M10: 4,671,044 km (0.117 R)
• M11: 5,180,724 km (0.09 R)
• M12: 6,047,045 km (0.1 R)
• M13: 7,650,734 km (0.063 R)
• M14: 8,066,018 km (0.105 R)
• M15: 8,468,885 km (0.089 R)
• M16: 9,112,904 km (0.108 R)
• M17: 9,639,488 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 9.4

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.24 AU - 1.78 AU

Year: 1180 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,903,080 km

• M1: 116,836 km (0.093 R)
• M2: 494,571 km (0.109 R)
• M3: 1,635,703 km (0.052 R)
• M4: 2,191,459 km (0.091 R)
• M5: 2,514,142 km (0.113 R)
• M6: 3,181,947 km (0.049 R)
• M7: 4,596,544 km (0.112 R)
• M8: 7,737,800 km (0.076 R)
• M9: 8,151,438 km (0.075 R)
• M10: 9,204,458 km (0.057 R)
• M11: 9,700,674 km (0.106 R)
• M12: 10,019,766 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.6

Radius: 12.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.67 AU - 1.83 AU

Year: 1472 Days

Day: 10.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,903,080 km

• M1: 155,432 km (0.027 R)
• M2: 578,944 km (0.045 R)
• M3: 1,244,654 km (0.05 R)
• M4: 1,718,730 km (0.105 R)
• M5: 2,553,785 km (0.106 R)
• M6: 3,626,552 km (0.085 R)
• M7: 4,613,150 km (0.101 R)
• M8: 6,443,031 km (0.062 R)
• M9: 8,353,545 km (0.078 R)
• M10: 9,214,780 km (0.094 R)
• M11: 10,270,492 km (0.092 R)
• M12: 11,077,872 km (0.059 R)
• M13: 11,552,696 km (0.085 R)
• M14: 12,002,985 km (0.081 R)
• M15: 12,779,697 km (0.096 R)
• M16: 13,302,243 km (0.061 R)
• M17: 14,649,671 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 11.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.81 AU - 2.25 AU

Year: 1839 Days

Day: 6.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,903,080 km

• M1: 144,362 km (0.069 R)
• M2: 511,924 km (0.098 R)
• M3: 1,088,025 km (0.054 R)
• M4: 1,542,803 km (0.044 R)
• M5: 1,971,102 km (0.077 R)
• M6: 2,349,285 km (0.054 R)
• M7: 3,349,646 km (0.119 R)
• M8: 4,315,899 km (0.106 R)
• M9: 5,087,674 km (0.098 R)
• M10: 5,908,966 km (0.068 R)
• M11: 6,532,789 km (0.096 R)
• M12: 7,063,114 km (0.068 R)
• M13: 7,432,471 km (0.058 R)
• M14: 7,887,847 km (0.096 R)
• M15: 8,438,367 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.4

Radius: 14.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.18 AU - 2.82 AU

Year: 2513 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,903,080 km

• M1: 188,194 km (0.091 R)
• M2: 726,746 km (0.073 R)
• M3: 2,521,622 km (0.095 R)
• M4: 3,890,442 km (0.093 R)
• M5: 5,495,179 km (0.108 R)
• M6: 6,554,032 km (0.093 R)
• M7: 8,321,830 km (0.116 R)
• M8: 10,129,870 km (0.099 R)
• M9: 10,720,183 km (0.09 R)
• M10: 11,719,647 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.7

Radius: 5.6

Gravity: 31.56 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.46 AU - 6.78 AU

Year: 9626 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 34,903,080 km

• M1: 70,161 km (0.08 R)
• M2: 293,960 km (0.081 R)
• M3: 678,726 km (0.033 R)
• M4: 986,299 km (0.088 R)
• M5: 1,396,795 km (0.081 R)
• M6: 2,614,223 km (0.079 R)
• M7: 3,759,394 km (0.054 R)
• M8: 3,978,555 km (0.119 R)
• M9: 4,177,221 km (0.075 R)
• M10: 5,105,327 km (0.075 R)
• M11: 5,306,236 km (0.075 R)
• M12: 5,512,532 km (0.067 R)
• M13: 6,546,702 km (0.1 R)
• M14: 6,744,171 km (0.072 R)
• M15: 7,027,210 km (0.101 R)
• M16: 9,040,499 km (0.097 R)
• M17: 10,795,581 km (0.075 R)
• M18: 11,071,589 km (0.036 R)
• M19: 15,169,074 km (0.094 R)
• M20: 16,295,846 km (0.091 R)
• M21: 18,714,694 km (0.081 R)
• M22: 19,193,407 km (0.08 R)
• M23: 21,623,026 km (0.042 R)
• M24: 25,300,141 km (0.103 R)
• M25: 27,184,177 km (0.092 R)
• M26: 39,306,093 km (0.09 R)
• M27: 39,566,542 km (0.054 R)
• M28: 42,234,321 km (0.106 R)
• M29: 44,877,566 km (0.095 R)
• M30: 45,878,525 km (0.118 R)
• M31: 50,490,927 km (0.101 R)
• M32: 52,199,035 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57

Radius: 5.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.62 AU - 12.32 AU

Year: 21540 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 179.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,903,080 km

• M1: 72,555 km (0.083 R)
• M2: 258,804 km (0.087 R)
• M3: 530,025 km (0.109 R)
• M4: 720,314 km (0.096 R)
• M5: 2,202,529 km (0.101 R)
• M6: 2,472,703 km (0.1 R)
• M7: 2,708,320 km (0.1 R)
• M8: 3,596,782 km (0.11 R)
• M9: 3,948,337 km (0.101 R)
• M10: 6,421,189 km (0.114 R)
• M11: 8,740,106 km (0.087 R)
• M12: 10,454,498 km (0.065 R)
• M13: 11,415,215 km (0.112 R)
• M14: 12,328,959 km (0.103 R)
• M15: 13,510,932 km (0.097 R)
• M16: 18,720,229 km (0.116 R)
• M17: 20,204,688 km (0.119 R)
• M18: 22,771,937 km (0.063 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 19,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit