🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.61 AU - 0.89 AU

Year: 272 Days

Day: 19.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 21.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,311,674 km

• M1: 24,833 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.65 AU - 0.89 AU

Year: 283 Days

Day: 46.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.75 AU - 0.89 AU

Year: 311 Days

Day: 31.8 Hours

Environment

Temp: -5 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 87,311,674 km

• M1: 60,288 km (0.106 R)
• M2: 175,329 km (0.096 R)

Asteroid Belt

Center: 3.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.7

Radius: 10.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.02 AU - 5.92 AU

Year: 5360 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,311,674 km

• M1: 138,378 km (0.096 R)
• M2: 551,867 km (0.074 R)
• M3: 1,065,735 km (0.054 R)
• M4: 1,472,492 km (0.11 R)
• M5: 1,983,369 km (0.086 R)
• M6: 2,461,932 km (0.099 R)
• M7: 2,870,634 km (0.107 R)
• M8: 3,548,312 km (0.086 R)
• M9: 4,401,768 km (0.094 R)
• M10: 4,851,309 km (0.108 R)
• M11: 5,554,868 km (0.1 R)
• M12: 6,356,114 km (0.091 R)
• M13: 8,188,090 km (0.102 R)
• M14: 8,792,764 km (0.055 R)
• M15: 9,145,815 km (0.061 R)
• M16: 9,590,121 km (0.07 R)
• M17: 10,091,274 km (0.114 R)
• M18: 11,010,403 km (0.081 R)
• M19: 12,764,438 km (0.083 R)
• M20: 13,997,274 km (0.12 R)
• M21: 14,862,249 km (0.107 R)
• M22: 17,363,675 km (0.072 R)
• M23: 22,159,484 km (0.118 R)
• M24: 24,704,144 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.9

Radius: 8.6

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.22 AU - 9.66 AU

Year: 9374 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,311,674 km

• M1: 106,962 km (0.113 R)
• M2: 385,963 km (0.098 R)
• M3: 1,315,115 km (0.109 R)
• M4: 1,844,691 km (0.065 R)
• M5: 2,194,750 km (0.067 R)
• M6: 3,073,937 km (0.066 R)
• M7: 3,422,201 km (0.029 R)
• M8: 4,310,214 km (0.117 R)
• M9: 5,150,655 km (0.103 R)
• M10: 6,167,920 km (0.09 R)
• M11: 7,767,271 km (0.077 R)
• M12: 11,651,879 km (0.094 R)
• M13: 12,328,660 km (0.118 R)
• M14: 13,946,860 km (0.092 R)
• M15: 14,261,464 km (0.111 R)
• M16: 15,035,633 km (0.04 R)
• M17: 16,180,206 km (0.075 R)
• M18: 18,264,853 km (0.08 R)
• M19: 19,255,041 km (0.096 R)
• M20: 23,134,563 km (0.077 R)
• M21: 25,303,283 km (0.101 R)
• M22: 27,802,016 km (0.114 R)
• M23: 28,703,942 km (0.1 R)
• M24: 30,777,967 km (0.079 R)
• M25: 36,277,633 km (0.099 R)
• M26: 36,634,125 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.5

Radius: 12.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.88 AU - 10.68 AU

Year: 11844 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,311,674 km

• M1: 155,432 km (0.092 R)
• M2: 833,559 km (0.111 R)
• M3: 4,126,807 km (0.118 R)
• M4: 4,987,892 km (0.048 R)
• M5: 6,330,383 km (0.114 R)
• M6: 8,661,717 km (0.059 R)
• M7: 12,318,188 km (0.095 R)
• M8: 14,225,561 km (0.118 R)
• M9: 17,260,752 km (0.051 R)
• M10: 17,705,656 km (0.089 R)
• M11: 23,029,545 km (0.073 R)
• M12: 35,854,720 km (0.1 R)
• M13: 37,810,413 km (0.113 R)
• M14: 38,310,220 km (0.078 R)
• M15: 40,483,877 km (0.093 R)
• M16: 44,518,382 km (0.077 R)
• M17: 45,075,783 km (0.095 R)
• M18: 50,003,687 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.8

Radius: 5.6

Gravity: 31.66 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 12.09 AU - 17.47 AU

Year: 23806 Days

Day: 19.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,311,674 km

• M1: 89,460 km (0.079 R)
• M2: 307,424 km (0.103 R)
• M3: 691,591 km (0.088 R)
• M4: 878,140 km (0.118 R)
• M5: 1,057,208 km (0.053 R)
• M6: 1,339,948 km (0.052 R)
• M7: 2,652,969 km (0.105 R)
• M8: 3,033,097 km (0.087 R)
• M9: 3,356,677 km (0.058 R)
• M10: 4,393,390 km (0.079 R)
• M11: 5,671,255 km (0.086 R)
• M12: 6,071,130 km (0.107 R)
• M13: 8,414,880 km (0.09 R)
• M14: 9,354,355 km (0.07 R)
• M15: 12,295,748 km (0.03 R)
• M16: 14,054,271 km (0.059 R)
• M17: 15,119,109 km (0.069 R)
• M18: 15,800,527 km (0.087 R)
• M19: 16,413,280 km (0.05 R)
• M20: 16,951,084 km (0.097 R)
• M21: 18,634,958 km (0.107 R)
• M22: 21,364,970 km (0.051 R)
• M23: 22,005,996 km (0.075 R)
• M24: 22,222,464 km (0.114 R)
• M25: 23,438,546 km (0.118 R)
• M26: 25,882,227 km (0.09 R)
• M27: 28,490,615 km (0.087 R)
• M28: 29,266,879 km (0.064 R)
• M29: 41,497,103 km (0.101 R)
• M30: 48,996,743 km (0.055 R)
• M31: 56,334,070 km (0.051 R)
• M32: 60,899,498 km (0.036 R)
• M33: 66,605,610 km (0.113 R)
• M34: 67,058,742 km (0.033 R)
• M35: 67,742,254 km (0.034 R)
• M36: 70,758,147 km (0.112 R)
• M37: 72,897,696 km (0.108 R)
• M38: 73,620,403 km (0.057 R)
• M39: 75,570,711 km (0.063 R)
• M40: 76,063,636 km (0.09 R)
• M41: 86,378,110 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.6

Radius: 4.6

Gravity: 25.64 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 14.95 AU - 17.69 AU

Year: 27623 Days

Day: 15.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,311,674 km

• M1: 60,138 km (0.087 R)
• M2: 291,566 km (0.106 R)
• M3: 524,789 km (0.094 R)
• M4: 684,410 km (0.085 R)
• M5: 1,388,119 km (0.05 R)
• M6: 1,590,824 km (0.109 R)
• M7: 2,077,017 km (0.09 R)
• M8: 2,681,841 km (0.069 R)
• M9: 2,943,189 km (0.065 R)
• M10: 3,547,564 km (0.073 R)
• M11: 5,393,901 km (0.088 R)
• M12: 8,439,863 km (0.082 R)
• M13: 8,943,858 km (0.105 R)
• M14: 10,135,256 km (0.045 R)
• M15: 14,973,700 km (0.102 R)
• M16: 16,906,055 km (0.076 R)
• M17: 17,615,448 km (0.069 R)
• M18: 20,552,055 km (0.099 R)
• M19: 21,978,919 km (0.114 R)
• M20: 22,610,222 km (0.106 R)
• M21: 25,028,621 km (0.084 R)
• M22: 27,492,797 km (0.09 R)
• M23: 29,857,341 km (0.108 R)
• M24: 30,501,510 km (0.066 R)
• M25: 43,077,006 km (0.116 R)
• M26: 43,569,033 km (0.082 R)
• M27: 46,085,120 km (0.116 R)
• M28: 47,118,243 km (0.051 R)
• M29: 48,874,073 km (0.104 R)
• M30: 52,702,283 km (0.114 R)
• M31: 59,114,197 km (0.118 R)
• M32: 66,462,145 km (0.095 R)
• M33: 70,240,987 km (0.116 R)
• M34: 72,529,386 km (0.056 R)
• M35: 83,443,897 km (0.098 R)
• M36: 84,208,043 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 15,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit