🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.9 AU - 1 AU

Year: 333 Days

Day: 34.1 Hours

Environment

Temp: 124 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.37 AU - 2.45 AU

Year: 1346 Days

Day: 27.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.56 AU - 2.94 AU

Year: 1641 Days

Day: 23.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 14.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.52 AU - 7.76 AU

Year: 6866 Days

Day: 7.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,369,591 km

• M1: 179,368 km (0.045 R)
• M2: 669,151 km (0.092 R)
• M3: 1,209,499 km (0.072 R)
• M4: 4,761,102 km (0.085 R)
• M5: 5,291,127 km (0.089 R)
• M6: 8,456,618 km (0.054 R)
• M7: 9,274,320 km (0.057 R)
• M8: 11,614,180 km (0.086 R)
• M9: 12,898,478 km (0.078 R)
• M10: 15,435,508 km (0.054 R)
• M11: 19,840,717 km (0.07 R)
• M12: 20,901,665 km (0.041 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83

Radius: 6.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 12.37 AU - 13.57 AU

Year: 16811 Days

Day: 19.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,369,591 km

• M1: 169,494 km (0.112 R)
• M2: 393,891 km (0.09 R)
• M3: 813,962 km (0.048 R)
• M4: 1,186,162 km (0.107 R)
• M5: 1,801,757 km (0.095 R)
• M6: 3,107,896 km (0.117 R)
• M7: 3,443,294 km (0.117 R)
• M8: 3,802,479 km (0.115 R)
• M9: 5,004,049 km (0.06 R)
• M10: 5,615,306 km (0.112 R)
• M11: 6,506,161 km (0.085 R)
• M12: 7,937,513 km (0.108 R)
• M13: 8,325,869 km (0.095 R)
• M14: 8,645,560 km (0.075 R)
• M15: 9,394,746 km (0.064 R)
• M16: 9,785,197 km (0.099 R)
• M17: 10,974,350 km (0.092 R)
• M18: 13,363,129 km (0.032 R)
• M19: 13,635,996 km (0.11 R)
• M20: 14,363,191 km (0.062 R)
• M21: 14,591,926 km (0.054 R)
• M22: 18,123,333 km (0.073 R)
• M23: 19,908,036 km (0.056 R)
• M24: 22,185,364 km (0.107 R)
• M25: 23,823,162 km (0.095 R)
• M26: 25,707,646 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.2

Radius: 4.3

Gravity: 36.46 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.66 AU - 16.42 AU

Year: 20991 Days

Day: 15.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 131.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,369,591 km

• M1: 55,052 km (0.101 R)
• M2: 281,842 km (0.06 R)
• M3: 479,312 km (0.097 R)
• M4: 776,862 km (0.059 R)
• M5: 1,348,774 km (0.084 R)
• M6: 2,759,782 km (0.115 R)
• M7: 2,990,162 km (0.092 R)
• M8: 3,697,910 km (0.114 R)
• M9: 6,617,312 km (0.097 R)
• M10: 7,856,880 km (0.037 R)
• M11: 8,267,526 km (0.091 R)
• M12: 8,692,235 km (0.091 R)
• M13: 9,131,454 km (0.108 R)
• M14: 10,537,824 km (0.028 R)
• M15: 10,910,771 km (0.097 R)
• M16: 14,067,735 km (0.107 R)
• M17: 14,519,670 km (0.105 R)
• M18: 15,772,403 km (0.106 R)
• M19: 16,757,953 km (0.068 R)
• M20: 17,696,979 km (0.117 R)
• M21: 18,490,746 km (0.056 R)
• M22: 18,760,620 km (0.059 R)
• M23: 28,129,785 km (0.069 R)
• M24: 31,707,269 km (0.102 R)
• M25: 32,614,131 km (0.11 R)
• M26: 33,671,489 km (0.084 R)
• M27: 36,555,436 km (0.102 R)
• M28: 43,915,951 km (0.028 R)
• M29: 47,856,359 km (0.087 R)
• M30: 48,705,925 km (0.106 R)
• M31: 51,847,630 km (0.042 R)
• M32: 56,809,343 km (0.027 R)
• M33: 64,727,259 km (0.068 R)
• M34: 65,765,917 km (0.093 R)
• M35: 67,876,443 km (0.093 R)
• M36: 72,677,488 km (0.048 R)
• M37: 74,932,825 km (0.102 R)
• M38: 77,234,239 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.2

Radius: 3.8

Gravity: 21.83 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 16.27 AU - 18.49 AU

Year: 26076 Days

Day: 22.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,369,591 km

• M1: 137,929 km (0.058 R)
• M2: 279,000 km (0.091 R)
• M3: 1,380,788 km (0.109 R)
• M4: 2,054,727 km (0.073 R)
• M5: 2,237,087 km (0.1 R)
• M6: 2,364,544 km (0.117 R)
• M7: 2,999,886 km (0.117 R)
• M8: 3,234,904 km (0.066 R)
• M9: 3,454,065 km (0.113 R)
• M10: 4,299,742 km (0.099 R)
• M11: 6,389,026 km (0.058 R)
• M12: 8,039,988 km (0.099 R)
• M13: 9,177,680 km (0.068 R)
• M14: 9,616,750 km (0.108 R)
• M15: 15,638,812 km (0.094 R)
• M16: 16,343,867 km (0.106 R)
• M17: 21,118,731 km (0.07 R)
• M18: 23,364,046 km (0.105 R)
• M19: 25,979,765 km (0.114 R)
• M20: 28,783,977 km (0.097 R)
• M21: 29,250,572 km (0.075 R)
• M22: 30,923,525 km (0.11 R)
• M23: 34,720,918 km (0.084 R)
• M24: 36,052,638 km (0.074 R)
• M25: 37,279,939 km (0.085 R)
• M26: 45,077,279 km (0.03 R)
• M27: 47,954,196 km (0.113 R)
• M28: 60,304,846 km (0.108 R)
• M29: 68,026,341 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.5

Radius: 3.5

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 16.63 AU - 23.53 AU

Year: 32383 Days

Day: 21.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,369,591 km

• M1: 43,683 km (0.08 R)
• M2: 202,107 km (0.09 R)
• M3: 355,893 km (0.081 R)
• M4: 1,545,496 km (0.102 R)
• M5: 1,738,327 km (0.105 R)
• M6: 5,147,364 km (0.112 R)
• M7: 5,323,739 km (0.096 R)
• M8: 5,688,609 km (0.027 R)
• M9: 5,953,846 km (0.067 R)
• M10: 6,148,173 km (0.069 R)
• M11: 6,715,149 km (0.105 R)
• M12: 7,449,376 km (0.115 R)
• M13: 8,873,099 km (0.104 R)
• M14: 10,581,057 km (0.104 R)
• M15: 11,632,132 km (0.118 R)
• M16: 17,545,137 km (0.045 R)
• M17: 19,518,483 km (0.079 R)
• M18: 22,748,301 km (0.098 R)
• M19: 25,088,610 km (0.086 R)
• M20: 33,183,800 km (0.111 R)
• M21: 34,661,976 km (0.102 R)
• M22: 43,437,387 km (0.057 R)
• M23: 44,168,023 km (0.037 R)
• M24: 49,038,332 km (0.083 R)
• M25: 50,309,465 km (0.075 R)
• M26: 52,092,971 km (0.075 R)
• M27: 56,821,909 km (0.105 R)
• M28: 58,047,265 km (0.104 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 20,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit