🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.43 AU - 0.69 AU

Year: 275 Days

Day: 39.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 6,022,618 km

• M1: 315,502 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.51 AU - 0.65 AU

Year: 290 Days

Day: 16.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 6,022,618 km

• M1: 581,188 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.4

Radius: 10.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.62 AU - 0.74 AU

Year: 368 Days

Day: 11.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 6,022,618 km

• M1: 130,749 km (0.084 R)
• M2: 200,611 km (0.112 R)
• M3: 274,213 km (0.058 R)
• M4: 341,233 km (0.081 R)
• M5: 416,032 km (0.072 R)
• M6: 481,705 km (0.076 R)
• M7: 547,528 km (0.073 R)
• M8: 654,491 km (0.1 R)
• M9: 727,494 km (0.101 R)
• M10: 790,475 km (0.098 R)
• M11: 857,196 km (0.052 R)
• M12: 920,625 km (0.059 R)
• M13: 984,204 km (0.12 R)
• M14: 1,058,405 km (0.09 R)
• M15: 1,130,960 km (0.117 R)
• M16: 1,242,111 km (0.112 R)
• M17: 1,413,999 km (0.08 R)
• M18: 1,482,066 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 9.1

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.79 AU - 0.91 AU

Year: 514 Days

Day: 10.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 6,022,618 km

• M1: 134,339 km (0.049 R)
• M2: 192,832 km (0.108 R)
• M3: 251,474 km (0.062 R)
• M4: 346,768 km (0.095 R)
• M5: 406,009 km (0.116 R)
• M6: 469,588 km (0.118 R)
• M7: 567,425 km (0.1 R)
• M8: 626,217 km (0.094 R)
• M9: 683,812 km (0.112 R)
• M10: 754,572 km (0.027 R)
• M11: 855,999 km (0.12 R)
• M12: 962,214 km (0.103 R)
• M13: 1,034,170 km (0.117 R)
• M14: 1,099,245 km (0.111 R)
• M15: 1,359,845 km (0.08 R)
• M16: 1,539,512 km (0.109 R)
• M17: 1,614,610 km (0.096 R)
• M18: 1,852,770 km (0.108 R)
• M19: 1,959,882 km (0.092 R)
• M20: 2,169,169 km (0.059 R)
• M21: 2,339,711 km (0.113 R)
• M22: 2,403,439 km (0.111 R)
• M23: 2,502,922 km (0.092 R)
• M24: 2,657,756 km (0.074 R)
• M25: 2,754,695 km (0.09 R)
• M26: 2,865,248 km (0.084 R)
• M27: 2,958,447 km (0.087 R)
• M28: 3,040,128 km (0.088 R)
• M29: 3,135,272 km (0.086 R)
• M30: 3,452,868 km (0.094 R)
• M31: 3,518,991 km (0.099 R)
• M32: 3,605,608 km (0.119 R)
• M33: 3,733,514 km (0.06 R)
• M34: 3,821,926 km (0.118 R)
• M35: 4,070,408 km (0.082 R)
• M36: 4,147,302 km (0.108 R)
• M37: 4,452,930 km (0.112 R)
• M38: 4,677,776 km (0.077 R)
• M39: 4,751,228 km (0.099 R)
• M40: 4,810,170 km (0.093 R)
• M41: 4,906,511 km (0.116 R)
• M42: 5,086,028 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 14.4

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.94 AU - 1.18 AU

Year: 716 Days

Day: 6.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 6,022,618 km

• M1: 180,565 km (0.113 R)
• M2: 434,283 km (0.108 R)
• M3: 532,269 km (0.071 R)
• M4: 725,400 km (0.096 R)
• M5: 827,875 km (0.104 R)
• M6: 985,252 km (0.044 R)
• M7: 1,163,423 km (0.12 R)
• M8: 1,281,755 km (0.04 R)
• M9: 1,415,046 km (0.079 R)
• M10: 1,531,733 km (0.107 R)
• M11: 1,662,930 km (0.107 R)
• M12: 1,775,278 km (0.103 R)
• M13: 1,913,806 km (0.091 R)
• M14: 2,014,036 km (0.069 R)
• M15: 2,164,980 km (0.082 R)
• M16: 2,301,114 km (0.111 R)
• M17: 2,484,970 km (0.096 R)
• M18: 2,667,330 km (0.073 R)
• M19: 2,760,230 km (0.057 R)
• M20: 2,956,204 km (0.089 R)
• M21: 3,220,244 km (0.095 R)
• M22: 3,419,658 km (0.105 R)
• M23: 3,535,596 km (0.091 R)
• M24: 3,697,162 km (0.099 R)
• M25: 3,801,282 km (0.094 R)
• M26: 3,921,559 km (0.118 R)
• M27: 4,043,032 km (0.112 R)
• M28: 4,251,123 km (0.097 R)
• M29: 4,790,872 km (0.111 R)
• M30: 4,921,022 km (0.117 R)
• M31: 5,060,597 km (0.066 R)
• M32: 5,344,085 km (0.079 R)
• M33: 5,564,293 km (0.049 R)
• M34: 5,761,612 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 12,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit