🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.6 AU - 0.86 AU

Year: 217 Days

Day: 46.7 Hours

Environment

Temp: 166 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.68 AU - 0.96 AU

Year: 259 Days

Day: 36.2 Hours

Environment

Temp: 159 °C

Axial Tilt: 10.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.23 AU - 2.53 AU

Year: 1279 Days

Day: 22.9 Hours

Environment

Temp: -65 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,250,441 km

• M1: 29,321 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.54 AU - 4.84 AU

Year: 2987 Days

Day: 36.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,250,441 km

• M1: 2,769,655 km (0.031 R)

Planet 5 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.23 AU - 5.89 AU

Year: 3964 Days

Day: 18.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 13.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.69 AU - 9.33 AU

Year: 7167 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,250,441 km

• M1: 169,195 km (0.115 R)
• M2: 760,855 km (0.056 R)
• M3: 1,496,278 km (0.048 R)
• M4: 2,166,476 km (0.072 R)
• M5: 2,619,160 km (0.091 R)
• M6: 3,220,842 km (0.103 R)
• M7: 4,429,443 km (0.029 R)
• M8: 4,903,519 km (0.066 R)
• M9: 7,726,580 km (0.112 R)
• M10: 9,874,357 km (0.087 R)
• M11: 16,277,894 km (0.11 R)
• M12: 19,106,490 km (0.107 R)
• M13: 23,814,934 km (0.08 R)
• M14: 24,239,193 km (0.073 R)
• M15: 29,342,575 km (0.11 R)
• M16: 30,622,235 km (0.084 R)
• M17: 33,292,707 km (0.052 R)
• M18: 37,584,071 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.4

Radius: 7.2

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 16.45 AU - 17.23 AU

Year: 24066 Days

Day: 21.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 56,250,441 km

• M1: 89,609 km (0.055 R)
• M2: 374,892 km (0.073 R)
• M3: 670,797 km (0.04 R)
• M4: 1,298,061 km (0.065 R)
• M5: 2,120,999 km (0.041 R)
• M6: 2,461,184 km (0.113 R)
• M7: 2,862,256 km (0.117 R)
• M8: 3,144,547 km (0.082 R)
• M9: 4,498,258 km (0.106 R)
• M10: 5,437,434 km (0.063 R)
• M11: 6,202,328 km (0.095 R)
• M12: 9,253,376 km (0.069 R)
• M13: 9,872,861 km (0.072 R)
• M14: 11,007,561 km (0.08 R)
• M15: 12,629,800 km (0.094 R)
• M16: 13,391,702 km (0.12 R)
• M17: 13,892,257 km (0.097 R)
• M18: 17,078,093 km (0.077 R)
• M19: 23,382,147 km (0.063 R)
• M20: 25,062,730 km (0.068 R)
• M21: 25,822,836 km (0.048 R)
• M22: 26,598,053 km (0.097 R)
• M23: 26,822,300 km (0.076 R)
• M24: 29,854,798 km (0.071 R)
• M25: 33,629,003 km (0.068 R)
• M26: 34,287,383 km (0.11 R)
• M27: 39,721,675 km (0.034 R)
• M28: 40,309,595 km (0.057 R)
• M29: 42,260,202 km (0.071 R)
• M30: 43,646,974 km (0.053 R)
• M31: 46,348,711 km (0.093 R)
• M32: 47,492,836 km (0.1 R)
• M33: 53,497,395 km (0.054 R)
• M34: 56,588,387 km (0.064 R)
• M35: 57,519,633 km (0.113 R)
• M36: 59,988,746 km (0.04 R)
• M37: 62,725,789 km (0.098 R)
• M38: 66,572,100 km (0.065 R)
• M39: 68,658,242 km (0.087 R)
• M40: 71,002,889 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.3

Radius: 4

Gravity: 29.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 14.77 AU - 19.81 AU

Year: 25037 Days

Day: 21.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 56,250,441 km

• M1: 50,564 km (0.096 R)
• M2: 368,460 km (0.117 R)
• M3: 550,371 km (0.108 R)
• M4: 1,370,466 km (0.103 R)
• M5: 1,632,861 km (0.111 R)
• M6: 2,696,202 km (0.082 R)
• M7: 3,027,711 km (0.096 R)
• M8: 4,120,225 km (0.042 R)
• M9: 4,918,329 km (0.101 R)
• M10: 5,373,256 km (0.111 R)
• M11: 5,610,967 km (0.025 R)
• M12: 7,573,991 km (0.106 R)
• M13: 8,654,686 km (0.11 R)
• M14: 9,892,907 km (0.091 R)
• M15: 10,801,864 km (0.062 R)
• M16: 12,098,578 km (0.053 R)
• M17: 12,438,315 km (0.12 R)
• M18: 14,158,092 km (0.101 R)
• M19: 15,074,529 km (0.114 R)
• M20: 16,029,861 km (0.093 R)
• M21: 20,256,000 km (0.083 R)
• M22: 20,734,863 km (0.111 R)
• M23: 21,715,029 km (0.099 R)
• M24: 23,979,342 km (0.051 R)
• M25: 25,833,308 km (0.085 R)
• M26: 27,663,489 km (0.104 R)
• M27: 28,015,941 km (0.107 R)
• M28: 28,371,386 km (0.095 R)
• M29: 32,613,084 km (0.077 R)
• M30: 35,988,461 km (0.106 R)
• M31: 36,690,374 km (0.105 R)
• M32: 36,831,893 km (0.1 R)
• M33: 42,637,488 km (0.107 R)
• M34: 51,640,736 km (0.075 R)
• M35: 51,996,630 km (0.114 R)
• M36: 54,717,366 km (0.099 R)
• M37: 55,831,721 km (0.082 R)
• M38: 57,150,875 km (0.117 R)
• M39: 57,531,452 km (0.115 R)
• M40: 58,490,523 km (0.072 R)
• M41: 71,282,937 km (0.11 R)
• M42: 74,862,514 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.7

Radius: 7.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 17.59 AU - 24.25 AU

Year: 33322 Days

Day: 17.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,250,441 km

• M1: 112,348 km (0.075 R)
• M2: 390,600 km (0.119 R)
• M3: 1,575,714 km (0.093 R)
• M4: 2,219,883 km (0.084 R)
• M5: 2,518,181 km (0.025 R)
• M6: 2,934,213 km (0.068 R)
• M7: 3,577,035 km (0.043 R)
• M8: 4,191,284 km (0.102 R)
• M9: 5,005,246 km (0.116 R)
• M10: 7,495,601 km (0.043 R)
• M11: 9,794,621 km (0.088 R)
• M12: 11,682,547 km (0.111 R)
• M13: 13,999,070 km (0.068 R)
• M14: 15,019,776 km (0.116 R)
• M15: 26,434,542 km (0.105 R)
• M16: 36,060,866 km (0.052 R)
• M17: 36,437,703 km (0.052 R)
• M18: 44,827,152 km (0.101 R)
• M19: 45,408,788 km (0.097 R)
• M20: 52,624,791 km (0.035 R)
• M21: 54,088,457 km (0.06 R)
• M22: 54,747,734 km (0.094 R)

Kuiper Belt

Range: 31.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 19,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit