🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.93 AU - 1.47 AU

Year: 483 Days

Day: 24.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 2.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.11 AU - 1.67 AU

Year: 602 Days

Day: 26.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,626,500 km

• M1: 304,581 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.49 AU - 1.51 AU

Year: 674 Days

Day: 29.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.7

Radius: 11.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.72 AU - 5.66 AU

Year: 4340 Days

Day: 10.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,626,500 km

• M1: 141,071 km (0.081 R)
• M2: 829,969 km (0.1 R)
• M3: 1,311,824 km (0.083 R)
• M4: 1,812,528 km (0.116 R)
• M5: 3,729,475 km (0.091 R)
• M6: 6,480,580 km (0.116 R)
• M7: 7,024,518 km (0.081 R)
• M8: 10,637,456 km (0.106 R)
• M9: 16,094,637 km (0.108 R)
• M10: 16,458,010 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 14.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.12 AU - 7.66 AU

Year: 7375 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,626,500 km

• M1: 184,155 km (0.083 R)
• M2: 823,387 km (0.091 R)
• M3: 1,668,914 km (0.103 R)
• M4: 3,026,515 km (0.114 R)
• M5: 3,837,933 km (0.083 R)
• M6: 4,703,207 km (0.104 R)
• M7: 5,182,968 km (0.07 R)
• M8: 5,761,762 km (0.101 R)
• M9: 6,312,432 km (0.067 R)
• M10: 7,243,529 km (0.041 R)
• M11: 8,307,020 km (0.088 R)
• M12: 9,566,335 km (0.084 R)
• M13: 10,143,633 km (0.063 R)
• M14: 10,949,517 km (0.1 R)
• M15: 15,051,491 km (0.095 R)
• M16: 15,767,616 km (0.085 R)
• M17: 16,919,220 km (0.085 R)
• M18: 18,639,296 km (0.102 R)
• M19: 20,237,899 km (0.068 R)
• M20: 22,509,244 km (0.056 R)
• M21: 23,619,709 km (0.119 R)
• M22: 26,228,247 km (0.077 R)
• M23: 30,338,747 km (0.067 R)
• M24: 31,905,486 km (0.116 R)
• M25: 32,439,550 km (0.1 R)
• M26: 36,346,448 km (0.064 R)
• M27: 38,232,877 km (0.061 R)
• M28: 40,183,783 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.5

Radius: 8.5

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.84 AU - 9.42 AU

Year: 8510 Days

Day: 6.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,626,500 km

• M1: 108,758 km (0.114 R)
• M2: 458,966 km (0.048 R)
• M3: 870,211 km (0.094 R)
• M4: 1,422,077 km (0.069 R)
• M5: 1,722,919 km (0.065 R)
• M6: 2,404,038 km (0.06 R)
• M7: 3,380,912 km (0.078 R)
• M8: 3,690,579 km (0.096 R)
• M9: 4,601,331 km (0.036 R)
• M10: 4,954,681 km (0.034 R)
• M11: 5,296,812 km (0.071 R)
• M12: 6,485,816 km (0.097 R)
• M13: 8,875,941 km (0.115 R)
• M14: 11,111,232 km (0.081 R)
• M15: 12,936,476 km (0.115 R)
• M16: 13,531,875 km (0.057 R)
• M17: 14,088,828 km (0.098 R)
• M18: 17,625,771 km (0.048 R)
• M19: 18,156,095 km (0.084 R)
• M20: 20,821,032 km (0.041 R)
• M21: 21,638,584 km (0.04 R)
• M22: 25,626,714 km (0.036 R)
• M23: 26,825,441 km (0.074 R)
• M24: 27,882,350 km (0.04 R)
• M25: 33,586,816 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.8

Radius: 6.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 12.41 AU - 13.75 AU

Year: 17365 Days

Day: 16.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,626,500 km

• M1: 80,184 km (0.116 R)
• M2: 356,641 km (0.094 R)
• M3: 631,752 km (0.037 R)
• M4: 1,146,518 km (0.11 R)
• M5: 2,861,508 km (0.09 R)
• M6: 3,247,620 km (0.049 R)
• M7: 3,490,567 km (0.1 R)
• M8: 4,799,698 km (0.096 R)
• M9: 5,650,012 km (0.075 R)
• M10: 10,067,638 km (0.118 R)
• M11: 13,447,801 km (0.115 R)
• M12: 14,593,123 km (0.117 R)
• M13: 15,527,810 km (0.043 R)
• M14: 29,933,487 km (0.028 R)
• M15: 32,655,719 km (0.109 R)
• M16: 43,275,971 km (0.037 R)
• M17: 43,955,744 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.1

Radius: 3.1

Gravity: 96.68 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 13.8 AU - 15.08 AU

Year: 20143 Days

Day: 22.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,626,500 km

• M1: 38,746 km (0.072 R)
• M2: 199,863 km (0.102 R)
• M3: 341,532 km (0.081 R)
• M4: 867,518 km (0.097 R)
• M5: 976,575 km (0.077 R)
• M6: 1,150,408 km (0.078 R)
• M7: 1,282,503 km (0.1 R)
• M8: 2,414,958 km (0.038 R)
• M9: 2,810,346 km (0.083 R)
• M10: 3,304,916 km (0.106 R)
• M11: 3,919,614 km (0.086 R)
• M12: 5,657,791 km (0.037 R)
• M13: 5,868,425 km (0.115 R)
• M14: 7,244,127 km (0.107 R)
• M15: 9,808,534 km (0.053 R)
• M16: 12,489,777 km (0.1 R)
• M17: 13,432,243 km (0.115 R)
• M18: 16,800,140 km (0.096 R)
• M19: 18,492,840 km (0.109 R)
• M20: 19,050,242 km (0.074 R)
• M21: 22,421,280 km (0.095 R)
• M22: 24,357,226 km (0.101 R)
• M23: 25,937,877 km (0.078 R)
• M24: 26,518,616 km (0.117 R)
• M25: 27,346,042 km (0.112 R)
• M26: 30,313,465 km (0.114 R)
• M27: 35,297,618 km (0.079 R)
• M28: 37,170,583 km (0.102 R)
• M29: 38,057,100 km (0.088 R)
• M30: 46,167,548 km (0.049 R)
• M31: 46,848,518 km (0.065 R)
• M32: 47,536,070 km (0.11 R)
• M33: 53,466,728 km (0.099 R)
• M34: 61,497,889 km (0.114 R)
• M35: 63,153,190 km (0.067 R)
• M36: 65,691,567 km (0.1 R)
• M37: 69,848,443 km (0.062 R)
• M38: 70,520,436 km (0.079 R)
• M39: 71,423,110 km (0.12 R)
• M40: 74,177,207 km (0.038 R)
• M41: 83,615,486 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 19,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit