🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.53 AU - 0.65 AU

Year: 297 Days

Day: 20.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 12.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.65 AU - 0.91 AU

Year: 452 Days

Day: 12.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 7,577,385 km

• M1: 163,062 km (0.088 R)
• M2: 291,716 km (0.05 R)
• M3: 383,120 km (0.116 R)
• M4: 478,414 km (0.111 R)
• M5: 616,493 km (0.048 R)
• M6: 717,322 km (0.094 R)
• M7: 810,820 km (0.103 R)
• M8: 918,681 km (0.102 R)
• M9: 1,139,786 km (0.038 R)
• M10: 1,251,685 km (0.086 R)
• M11: 1,418,487 km (0.114 R)
• M12: 1,539,811 km (0.105 R)
• M13: 1,628,672 km (0.106 R)
• M14: 1,750,145 km (0.111 R)
• M15: 1,976,637 km (0.103 R)
• M16: 2,106,637 km (0.081 R)
• M17: 2,226,316 km (0.041 R)
• M18: 2,362,001 km (0.081 R)
• M19: 2,514,441 km (0.085 R)
• M20: 2,727,917 km (0.038 R)
• M21: 2,822,313 km (0.069 R)
• M22: 2,932,567 km (0.097 R)
• M23: 3,029,357 km (0.107 R)
• M24: 3,233,857 km (0.058 R)
• M25: 3,318,530 km (0.112 R)
• M26: 3,497,897 km (0.099 R)
• M27: 3,640,763 km (0.04 R)
• M28: 3,761,190 km (0.094 R)
• M29: 3,850,350 km (0.119 R)
• M30: 4,247,981 km (0.116 R)
• M31: 4,349,558 km (0.119 R)
• M32: 4,443,356 km (0.102 R)
• M33: 4,650,250 km (0.091 R)
• M34: 4,790,124 km (0.104 R)
• M35: 4,913,542 km (0.043 R)
• M36: 5,055,959 km (0.102 R)
• M37: 5,254,176 km (0.042 R)
• M38: 5,345,132 km (0.108 R)
• M39: 5,436,536 km (0.069 R)
• M40: 5,695,490 km (0.096 R)
• M41: 5,788,989 km (0.096 R)
• M42: 5,939,484 km (0.077 R)
• M43: 6,062,903 km (0.087 R)
• M44: 6,244,664 km (0.087 R)
• M45: 6,341,155 km (0.119 R)
• M46: 6,722,031 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 9.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.84 AU - 1.24 AU

Year: 696 Days

Day: 5.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 7,577,385 km

• M1: 121,025 km (0.11 R)
• M2: 320,289 km (0.113 R)
• M3: 446,400 km (0.108 R)
• M4: 736,321 km (0.108 R)
• M5: 809,773 km (0.099 R)
• M6: 900,729 km (0.109 R)
• M7: 976,276 km (0.109 R)
• M8: 1,053,917 km (0.117 R)
• M9: 1,133,952 km (0.083 R)
• M10: 1,232,686 km (0.111 R)
• M11: 1,300,305 km (0.102 R)
• M12: 1,382,284 km (0.118 R)
• M13: 1,483,861 km (0.078 R)
• M14: 1,592,619 km (0.081 R)
• M15: 1,732,493 km (0.116 R)
• M16: 1,813,575 km (0.058 R)
• M17: 1,876,556 km (0.11 R)
• M18: 1,940,135 km (0.108 R)
• M19: 2,181,735 km (0.12 R)
• M20: 2,379,953 km (0.064 R)
• M21: 2,492,001 km (0.117 R)
• M22: 2,616,766 km (0.107 R)
• M23: 2,952,314 km (0.112 R)
• M24: 3,038,482 km (0.074 R)
• M25: 3,125,399 km (0.115 R)
• M26: 3,272,154 km (0.073 R)
• M27: 3,415,170 km (0.091 R)
• M28: 3,763,284 km (0.117 R)
• M29: 3,951,179 km (0.118 R)
• M30: 4,020,742 km (0.111 R)
• M31: 4,187,095 km (0.057 R)
• M32: 4,349,259 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.2

Radius: 12.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.35 AU - 1.91 AU

Year: 1365 Days

Day: 6.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 7,577,385 km

• M1: 154,385 km (0.051 R)
• M2: 282,890 km (0.081 R)
• M3: 368,160 km (0.065 R)
• M4: 808,277 km (0.078 R)
• M5: 904,618 km (0.095 R)
• M6: 1,010,683 km (0.091 R)
• M7: 1,127,070 km (0.035 R)
• M8: 1,283,699 km (0.093 R)
• M9: 1,435,392 km (0.036 R)
• M10: 1,535,921 km (0.054 R)
• M11: 1,824,944 km (0.109 R)
• M12: 1,920,537 km (0.088 R)
• M13: 2,138,801 km (0.113 R)
• M14: 2,240,079 km (0.093 R)
• M15: 2,530,897 km (0.112 R)
• M16: 2,615,120 km (0.074 R)
• M17: 2,762,923 km (0.11 R)
• M18: 2,994,052 km (0.117 R)
• M19: 3,140,807 km (0.077 R)
• M20: 3,407,690 km (0.101 R)
• M21: 3,630,142 km (0.054 R)
• M22: 3,725,585 km (0.028 R)
• M23: 3,813,250 km (0.065 R)
• M24: 4,080,282 km (0.056 R)
• M25: 4,197,866 km (0.09 R)
• M26: 4,803,139 km (0.105 R)
• M27: 5,004,647 km (0.037 R)
• M28: 5,307,284 km (0.114 R)
• M29: 5,525,697 km (0.103 R)
• M30: 5,605,881 km (0.107 R)
• M31: 5,726,906 km (0.111 R)
• M32: 5,828,333 km (0.104 R)
• M33: 5,981,671 km (0.106 R)
• M34: 6,105,388 km (0.08 R)
• M35: 6,209,209 km (0.087 R)
• M36: 6,502,720 km (0.08 R)
• M37: 6,854,724 km (0.066 R)
• M38: 7,049,351 km (0.094 R)
• M39: 7,158,258 km (0.047 R)
• M40: 7,278,834 km (0.105 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 12,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit