🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.47 AU - 0.77 AU

Year: 320 Days

Day: 46.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,184,712 km

• M1: 39,943 km (0.115 R)
• M2: 173,534 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 11.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.82 AU - 0.86 AU

Year: 505 Days

Day: 9.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,184,712 km

• M1: 143,016 km (0.116 R)
• M2: 561,890 km (0.096 R)
• M3: 933,940 km (0.052 R)
• M4: 1,332,468 km (0.094 R)
• M5: 1,747,004 km (0.11 R)
• M6: 2,940,645 km (0.105 R)
• M7: 3,668,289 km (0.073 R)
• M8: 4,254,713 km (0.075 R)
• M9: 5,414,695 km (0.095 R)
• M10: 6,086,539 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 12.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.76 AU - 1.22 AU

Year: 646 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,184,712 km

• M1: 153,039 km (0.067 R)
• M2: 582,085 km (0.116 R)
• M3: 1,001,857 km (0.091 R)
• M4: 1,962,275 km (0.104 R)
• M5: 2,693,659 km (0.072 R)
• M6: 3,783,031 km (0.075 R)
• M7: 4,293,758 km (0.097 R)
• M8: 5,005,395 km (0.083 R)
• M9: 5,832,971 km (0.119 R)
• M10: 6,944,184 km (0.096 R)
• M11: 7,854,487 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 10.7

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.73 AU - 2.77 AU

Year: 2214 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,184,712 km

• M1: 132,993 km (0.059 R)
• M2: 569,070 km (0.091 R)
• M3: 1,053,019 km (0.092 R)
• M4: 2,409,872 km (0.04 R)
• M5: 3,078,425 km (0.077 R)
• M6: 4,144,011 km (0.069 R)
• M7: 4,942,564 km (0.063 R)
• M8: 5,587,780 km (0.077 R)
• M9: 7,163,644 km (0.088 R)
• M10: 8,443,902 km (0.089 R)
• M11: 8,845,872 km (0.075 R)
• M12: 9,295,862 km (0.107 R)
• M13: 9,981,020 km (0.069 R)
• M14: 10,622,346 km (0.048 R)
• M15: 11,452,016 km (0.086 R)
• M16: 12,367,106 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 12.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.73 AU - 2.79 AU

Year: 3008 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,184,712 km

• M1: 187,745 km (0.1 R)
• M2: 620,532 km (0.119 R)
• M3: 1,088,923 km (0.093 R)
• M4: 1,777,821 km (0.077 R)
• M5: 3,047,458 km (0.082 R)
• M6: 4,177,969 km (0.059 R)
• M7: 5,434,442 km (0.102 R)
• M8: 6,089,531 km (0.074 R)
• M9: 7,252,505 km (0.103 R)
• M10: 11,480,440 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.5

Radius: 3.1

Gravity: 102.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.95 AU - 7.57 AU

Year: 11530 Days

Day: 17 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,184,712 km

• M1: 39,494 km (0.069 R)
• M2: 141,220 km (0.047 R)
• M3: 335,398 km (0.119 R)
• M4: 506,538 km (0.083 R)
• M5: 819,048 km (0.105 R)
• M6: 966,402 km (0.081 R)
• M7: 1,790,537 km (0.044 R)
• M8: 3,810,407 km (0.097 R)
• M9: 4,532,815 km (0.088 R)
• M10: 4,661,470 km (0.088 R)
• M11: 4,926,258 km (0.114 R)
• M12: 6,086,240 km (0.103 R)
• M13: 6,981,882 km (0.086 R)
• M14: 7,153,621 km (0.099 R)
• M15: 7,550,504 km (0.117 R)
• M16: 8,680,117 km (0.104 R)
• M17: 9,182,467 km (0.079 R)
• M18: 9,810,479 km (0.103 R)
• M19: 11,151,474 km (0.108 R)
• M20: 12,993,323 km (0.067 R)
• M21: 15,898,215 km (0.038 R)
• M22: 16,955,273 km (0.057 R)
• M23: 24,989,277 km (0.095 R)
• M24: 25,290,268 km (0.102 R)
• M25: 34,113,999 km (0.097 R)
• M26: 35,992,649 km (0.075 R)
• M27: 38,336,848 km (0.104 R)
• M28: 40,642,301 km (0.057 R)
• M29: 42,324,080 km (0.111 R)
• M30: 47,187,357 km (0.104 R)
• M31: 47,801,008 km (0.089 R)
• M32: 48,731,357 km (0.034 R)
• M33: 49,990,672 km (0.086 R)
• M34: 53,898,318 km (0.094 R)
• M35: 57,132,324 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.8

Radius: 4.5

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 9.49 AU - 11.97 AU

Year: 23057 Days

Day: 19.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,184,712 km

• M1: 56,398 km (0.107 R)
• M2: 273,615 km (0.115 R)
• M3: 441,015 km (0.115 R)
• M4: 723,156 km (0.103 R)
• M5: 1,079,947 km (0.089 R)
• M6: 1,710,203 km (0.092 R)
• M7: 3,033,845 km (0.085 R)
• M8: 3,886,702 km (0.117 R)
• M9: 4,784,888 km (0.104 R)
• M10: 6,462,927 km (0.102 R)
• M11: 6,718,740 km (0.114 R)
• M12: 14,701,282 km (0.074 R)
• M13: 16,841,279 km (0.111 R)
• M14: 20,336,335 km (0.119 R)
• M15: 21,163,461 km (0.05 R)
• M16: 34,168,752 km (0.061 R)
• M17: 36,262,075 km (0.107 R)
• M18: 40,128,282 km (0.043 R)
• M19: 43,052,173 km (0.09 R)
• M20: 46,271,818 km (0.029 R)
• M21: 49,978,105 km (0.083 R)
• M22: 56,168,615 km (0.049 R)
• M23: 58,157,519 km (0.064 R)
• M24: 60,005,651 km (0.101 R)
• M25: 65,586,549 km (0.12 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 13,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit