🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.62 AU - 1 AU

Year: 257 Days

Day: 45.9 Hours

Environment

Temp: 171 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,314,456 km

• M1: 340,485 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.86 AU - 1.24 AU

Year: 380 Days

Day: 21.3 Hours

Environment

Temp: 137 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.82 AU - 1.34 AU

Year: 396 Days

Day: 45.3 Hours

Environment

Temp: 37 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,314,456 km

• M1: 111,750 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.65 AU - 3.19 AU

Year: 1762 Days

Day: 14.1 Hours

Environment

Temp: -85 °C

Axial Tilt: 76 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 11

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.43 AU - 10.17 AU

Year: 10014 Days

Day: 6 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,314,456 km

• M1: 136,882 km (0.109 R)
• M2: 552,615 km (0.102 R)
• M3: 985,551 km (0.082 R)
• M4: 1,701,825 km (0.044 R)
• M5: 2,365,142 km (0.064 R)
• M6: 2,938,850 km (0.113 R)
• M7: 3,348,898 km (0.091 R)
• M8: 3,997,554 km (0.1 R)
• M9: 7,076,129 km (0.096 R)
• M10: 8,396,480 km (0.106 R)
• M11: 10,355,015 km (0.032 R)
• M12: 12,269,718 km (0.05 R)
• M13: 13,927,263 km (0.034 R)
• M14: 16,991,027 km (0.109 R)
• M15: 19,942,294 km (0.077 R)
• M16: 21,102,425 km (0.112 R)
• M17: 24,502,785 km (0.037 R)
• M18: 27,965,826 km (0.063 R)
• M19: 28,444,539 km (0.087 R)
• M20: 28,928,638 km (0.115 R)
• M21: 30,818,807 km (0.094 R)
• M22: 32,684,143 km (0.054 R)
• M23: 33,215,365 km (0.094 R)
• M24: 35,733,546 km (0.093 R)
• M25: 40,168,524 km (0.071 R)
• M26: 41,270,313 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.8

Radius: 6.5

Gravity: 18.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 14.29 AU - 14.67 AU

Year: 19456 Days

Day: 16.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,314,456 km

• M1: 80,932 km (0.067 R)
• M2: 320,439 km (0.06 R)
• M3: 1,323,492 km (0.111 R)
• M4: 1,576,612 km (0.112 R)
• M5: 2,077,765 km (0.108 R)
• M6: 2,354,521 km (0.102 R)
• M7: 2,904,742 km (0.107 R)
• M8: 3,596,482 km (0.056 R)
• M9: 4,635,440 km (0.027 R)
• M10: 4,887,063 km (0.103 R)
• M11: 7,193,862 km (0.07 R)
• M12: 11,002,923 km (0.113 R)
• M13: 11,322,315 km (0.096 R)
• M14: 12,385,956 km (0.055 R)
• M15: 14,633,514 km (0.069 R)
• M16: 14,941,985 km (0.097 R)
• M17: 16,301,979 km (0.1 R)
• M18: 17,482,306 km (0.036 R)
• M19: 17,742,457 km (0.119 R)
• M20: 18,181,676 km (0.069 R)
• M21: 19,636,366 km (0.115 R)
• M22: 23,399,052 km (0.108 R)
• M23: 32,835,985 km (0.041 R)
• M24: 34,576,107 km (0.112 R)
• M25: 34,849,123 km (0.09 R)
• M26: 40,314,382 km (0.101 R)
• M27: 41,073,442 km (0.114 R)
• M28: 42,152,192 km (0.046 R)
• M29: 45,012,503 km (0.119 R)
• M30: 45,338,028 km (0.075 R)
• M31: 46,158,872 km (0.103 R)
• M32: 49,023,970 km (0.097 R)
• M33: 49,368,644 km (0.103 R)
• M34: 56,416,947 km (0.053 R)
• M35: 58,133,583 km (0.092 R)
• M36: 76,097,146 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.2

Radius: 5.5

Gravity: 31.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 13.58 AU - 16.7 AU

Year: 20801 Days

Day: 16.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,314,456 km

• M1: 68,516 km (0.113 R)
• M2: 375,939 km (0.102 R)
• M3: 717,621 km (0.119 R)
• M4: 988,094 km (0.118 R)
• M5: 1,324,689 km (0.098 R)
• M6: 3,301,625 km (0.086 R)
• M7: 4,153,435 km (0.093 R)
• M8: 4,722,805 km (0.093 R)
• M9: 4,949,146 km (0.086 R)
• M10: 5,262,255 km (0.053 R)
• M11: 6,463,077 km (0.058 R)
• M12: 6,837,371 km (0.12 R)
• M13: 7,275,543 km (0.094 R)
• M14: 7,476,154 km (0.032 R)
• M15: 7,994,061 km (0.113 R)
• M16: 8,207,687 km (0.07 R)
• M17: 9,571,122 km (0.114 R)
• M18: 10,817,272 km (0.048 R)
• M19: 11,479,243 km (0.111 R)
• M20: 11,682,995 km (0.099 R)
• M21: 13,103,726 km (0.105 R)
• M22: 15,610,239 km (0.083 R)
• M23: 16,113,336 km (0.114 R)
• M24: 16,800,888 km (0.089 R)
• M25: 20,237,002 km (0.105 R)
• M26: 20,835,094 km (0.103 R)
• M27: 21,240,205 km (0.086 R)
• M28: 22,913,756 km (0.103 R)
• M29: 23,563,310 km (0.049 R)
• M30: 24,113,980 km (0.119 R)
• M31: 30,488,495 km (0.117 R)
• M32: 30,748,795 km (0.112 R)
• M33: 32,749,068 km (0.117 R)
• M34: 45,234,955 km (0.026 R)
• M35: 45,743,738 km (0.108 R)
• M36: 46,945,607 km (0.089 R)
• M37: 51,042,943 km (0.094 R)
• M38: 56,344,841 km (0.12 R)
• M39: 77,291,984 km (0.059 R)
• M40: 78,750,563 km (0.073 R)
• M41: 84,768,287 km (0.048 R)
• M42: 86,059,466 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442

Radius: 6

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 18.22 AU - 18.26 AU

Year: 27507 Days

Day: 16.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,314,456 km

• M1: 79,885 km (0.084 R)
• M2: 283,488 km (0.12 R)
• M3: 614,398 km (0.05 R)
• M4: 805,734 km (0.119 R)
• M5: 1,128,866 km (0.094 R)
• M6: 1,486,105 km (0.082 R)
• M7: 2,312,185 km (0.065 R)
• M8: 2,786,859 km (0.064 R)
• M9: 3,267,666 km (0.058 R)
• M10: 3,527,967 km (0.049 R)
• M11: 3,896,576 km (0.075 R)
• M12: 4,603,126 km (0.098 R)
• M13: 5,196,432 km (0.081 R)
• M14: 5,511,485 km (0.077 R)
• M15: 6,488,808 km (0.09 R)
• M16: 9,573,965 km (0.057 R)
• M17: 11,366,297 km (0.092 R)
• M18: 12,238,003 km (0.056 R)
• M19: 13,009,629 km (0.085 R)
• M20: 13,225,649 km (0.119 R)
• M21: 14,649,521 km (0.093 R)
• M22: 17,975,680 km (0.043 R)
• M23: 20,195,563 km (0.092 R)
• M24: 21,271,471 km (0.108 R)
• M25: 33,666,702 km (0.086 R)
• M26: 34,210,789 km (0.037 R)
• M27: 34,622,632 km (0.062 R)
• M28: 36,874,978 km (0.05 R)
• M29: 38,183,959 km (0.118 R)
• M30: 44,215,296 km (0.072 R)
• M31: 48,225,866 km (0.092 R)
• M32: 48,570,539 km (0.026 R)
• M33: 52,290,290 km (0.076 R)
• M34: 59,694,188 km (0.05 R)
• M35: 62,105,406 km (0.102 R)
• M36: 71,726,045 km (0.089 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 14,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit