🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.56 AU - 0.74 AU

Year: 196 Days

Day: 34.7 Hours

Environment

Temp: 116 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,073,443 km

• M1: 33,061 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.63 AU - 2.09 AU

Year: 951 Days

Day: 29.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,073,443 km

• M1: 38,596 km (0.103 R)
• M2: 263,741 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 10.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.93 AU - 5.25 AU

Year: 3685 Days

Day: 12.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,073,443 km

• M1: 128,056 km (0.099 R)
• M2: 638,484 km (0.053 R)
• M3: 1,030,281 km (0.067 R)
• M4: 2,587,295 km (0.091 R)
• M5: 3,373,133 km (0.058 R)
• M6: 4,162,262 km (0.077 R)
• M7: 4,922,219 km (0.037 R)
• M8: 6,899,304 km (0.089 R)
• M9: 8,193,176 km (0.096 R)
• M10: 8,721,257 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 10.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.6 AU - 6.48 AU

Year: 5563 Days

Day: 9.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,073,443 km

• M1: 129,402 km (0.1 R)
• M2: 480,808 km (0.084 R)
• M3: 2,088,685 km (0.117 R)
• M4: 4,849,514 km (0.085 R)
• M5: 5,220,367 km (0.087 R)
• M6: 6,849,937 km (0.11 R)
• M7: 8,046,869 km (0.116 R)
• M8: 8,484,593 km (0.035 R)
• M9: 10,557,421 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.3

Radius: 3.2

Gravity: 30.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 11.24 AU - 14.16 AU

Year: 16960 Days

Day: 16.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,073,443 km

• M1: 39,793 km (0.111 R)
• M2: 159,920 km (0.118 R)
• M3: 319,840 km (0.096 R)
• M4: 439,369 km (0.086 R)
• M5: 559,197 km (0.112 R)
• M6: 926,908 km (0.086 R)
• M7: 1,138,440 km (0.101 R)
• M8: 1,596,658 km (0.107 R)
• M9: 2,167,075 km (0.027 R)
• M10: 3,115,974 km (0.096 R)
• M11: 3,285,020 km (0.092 R)
• M12: 5,855,410 km (0.12 R)
• M13: 7,136,267 km (0.076 R)
• M14: 7,952,772 km (0.109 R)
• M15: 8,592,752 km (0.109 R)
• M16: 9,119,187 km (0.116 R)
• M17: 9,515,322 km (0.062 R)
• M18: 9,768,741 km (0.082 R)
• M19: 11,497,793 km (0.095 R)
• M20: 11,669,681 km (0.069 R)
• M21: 12,018,543 km (0.058 R)
• M22: 12,434,276 km (0.102 R)
• M23: 14,724,918 km (0.096 R)
• M24: 17,507,439 km (0.097 R)
• M25: 18,507,501 km (0.036 R)
• M26: 20,119,567 km (0.104 R)
• M27: 20,369,096 km (0.03 R)
• M28: 22,979,879 km (0.1 R)
• M29: 26,001,307 km (0.053 R)
• M30: 27,300,863 km (0.104 R)
• M31: 29,277,051 km (0.074 R)
• M32: 35,168,963 km (0.108 R)
• M33: 36,632,479 km (0.113 R)
• M34: 39,290,385 km (0.082 R)
• M35: 43,306,340 km (0.119 R)
• M36: 48,625,142 km (0.086 R)
• M37: 50,899,778 km (0.089 R)
• M38: 51,829,229 km (0.11 R)
• M39: 52,141,440 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.3

Radius: 6.7

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 10.65 AU - 17.71 AU

Year: 20010 Days

Day: 24.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,073,443 km

• M1: 83,326 km (0.109 R)
• M2: 297,999 km (0.117 R)
• M3: 597,643 km (0.067 R)
• M4: 926,160 km (0.097 R)
• M5: 1,416,542 km (0.088 R)
• M6: 1,747,154 km (0.039 R)
• M7: 2,902,647 km (0.04 R)
• M8: 4,329,512 km (0.076 R)
• M9: 4,846,821 km (0.09 R)
• M10: 5,176,386 km (0.09 R)
• M11: 6,256,033 km (0.096 R)
• M12: 7,819,481 km (0.066 R)
• M13: 8,376,583 km (0.108 R)
• M14: 8,798,300 km (0.095 R)
• M15: 13,536,962 km (0.054 R)
• M16: 13,825,237 km (0.037 R)
• M17: 17,104,721 km (0.119 R)
• M18: 24,186,535 km (0.077 R)
• M19: 25,366,563 km (0.079 R)
• M20: 29,496,212 km (0.11 R)
• M21: 33,920,120 km (0.118 R)
• M22: 37,196,912 km (0.066 R)
• M23: 49,805,918 km (0.114 R)
• M24: 51,711,496 km (0.057 R)
• M25: 52,948,970 km (0.103 R)
• M26: 59,050,319 km (0.09 R)
• M27: 60,597,011 km (0.111 R)
• M28: 69,374,965 km (0.041 R)
• M29: 70,017,189 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 17,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit