🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.45 AU - 0.71 AU

Year: 166 Days

Day: 20.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.31 AU - 1.99 AU

Year: 798 Days

Day: 17.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 12.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.94 AU - 6.46 AU

Year: 4467 Days

Day: 7.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,014,584 km

• M1: 161,715 km (0.103 R)
• M2: 705,504 km (0.054 R)
• M3: 1,150,108 km (0.053 R)
• M4: 1,671,607 km (0.113 R)
• M5: 2,100,354 km (0.092 R)
• M6: 3,240,140 km (0.115 R)
• M7: 3,794,251 km (0.091 R)
• M8: 4,256,359 km (0.041 R)
• M9: 6,207,264 km (0.106 R)
• M10: 7,380,261 km (0.118 R)
• M11: 9,278,509 km (0.099 R)
• M12: 10,401,390 km (0.095 R)
• M13: 12,916,280 km (0.069 R)
• M14: 14,265,055 km (0.104 R)
• M15: 16,026,719 km (0.084 R)
• M16: 17,468,693 km (0.07 R)
• M17: 19,729,266 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.3

Radius: 9.1

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.66 AU - 6.9 AU

Year: 5235 Days

Day: 9.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,014,584 km

• M1: 115,789 km (0.12 R)
• M2: 655,538 km (0.072 R)
• M3: 1,045,240 km (0.086 R)
• M4: 1,388,119 km (0.072 R)
• M5: 1,844,841 km (0.105 R)
• M6: 2,307,248 km (0.034 R)
• M7: 3,287,563 km (0.068 R)
• M8: 3,904,355 km (0.105 R)
• M9: 4,194,724 km (0.032 R)
• M10: 4,719,364 km (0.096 R)
• M11: 5,154,095 km (0.112 R)
• M12: 5,504,304 km (0.031 R)
• M13: 6,252,892 km (0.101 R)
• M14: 6,809,845 km (0.045 R)
• M15: 7,265,520 km (0.069 R)
• M16: 7,637,719 km (0.045 R)
• M17: 8,494,167 km (0.026 R)
• M18: 9,413,296 km (0.105 R)
• M19: 10,567,743 km (0.054 R)
• M20: 10,958,044 km (0.077 R)
• M21: 12,234,563 km (0.115 R)
• M22: 13,006,936 km (0.061 R)
• M23: 13,405,166 km (0.107 R)
• M24: 16,024,475 km (0.112 R)
• M25: 16,424,649 km (0.088 R)
• M26: 18,903,785 km (0.095 R)
• M27: 19,479,588 km (0.088 R)
• M28: 21,346,120 km (0.111 R)
• M29: 22,040,703 km (0.084 R)
• M30: 26,369,916 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.1

Radius: 10.3

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 9.2 AU - 12.72 AU

Year: 13669 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,014,584 km

• M1: 128,056 km (0.079 R)
• M2: 745,147 km (0.115 R)
• M3: 1,095,954 km (0.11 R)
• M4: 5,242,508 km (0.087 R)
• M5: 6,158,795 km (0.083 R)
• M6: 10,794,683 km (0.117 R)
• M7: 11,273,097 km (0.118 R)
• M8: 13,127,064 km (0.076 R)
• M9: 15,700,895 km (0.113 R)
• M10: 16,866,412 km (0.074 R)
• M11: 19,720,590 km (0.068 R)
• M12: 24,378,469 km (0.111 R)
• M13: 31,260,270 km (0.119 R)
• M14: 34,367,119 km (0.115 R)
• M15: 41,769,221 km (0.116 R)
• M16: 52,006,503 km (0.107 R)
• M17: 53,889,791 km (0.106 R)
• M18: 58,704,149 km (0.059 R)
• M19: 59,440,919 km (0.109 R)
• M20: 65,164,832 km (0.097 R)
• M21: 66,153,226 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.5

Radius: 3.6

Gravity: 35.38 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 10.9 AU - 13.3 AU

Year: 15856 Days

Day: 17.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 57,014,584 km

• M1: 44,730 km (0.093 R)
• M2: 291,566 km (0.102 R)
• M3: 500,554 km (0.105 R)
• M4: 1,448,556 km (0.087 R)
• M5: 1,946,717 km (0.049 R)
• M6: 2,323,704 km (0.115 R)
• M7: 3,073,189 km (0.092 R)
• M8: 3,663,502 km (0.058 R)
• M9: 3,829,257 km (0.117 R)
• M10: 3,942,502 km (0.092 R)
• M11: 4,087,163 km (0.045 R)
• M12: 4,418,074 km (0.108 R)
• M13: 4,637,833 km (0.04 R)
• M14: 4,799,100 km (0.033 R)
• M15: 6,227,759 km (0.033 R)
• M16: 6,384,688 km (0.025 R)
• M17: 6,624,792 km (0.076 R)
• M18: 7,381,757 km (0.116 R)
• M19: 8,101,473 km (0.101 R)
• M20: 8,478,310 km (0.062 R)
• M21: 10,157,097 km (0.117 R)
• M22: 14,426,022 km (0.09 R)
• M23: 18,597,558 km (0.075 R)
• M24: 20,348,901 km (0.109 R)
• M25: 21,934,937 km (0.086 R)
• M26: 23,887,190 km (0.117 R)
• M27: 25,549,970 km (0.034 R)
• M28: 26,154,794 km (0.111 R)
• M29: 28,026,563 km (0.103 R)
• M30: 28,347,001 km (0.104 R)
• M31: 29,985,696 km (0.117 R)
• M32: 30,433,144 km (0.092 R)
• M33: 32,267,363 km (0.09 R)
• M34: 32,855,432 km (0.118 R)
• M35: 37,559,537 km (0.062 R)
• M36: 37,818,940 km (0.086 R)
• M37: 39,133,457 km (0.068 R)
• M38: 39,802,009 km (0.108 R)
• M39: 43,830,381 km (0.094 R)
• M40: 51,718,677 km (0.105 R)
• M41: 54,821,486 km (0.054 R)
• M42: 55,658,187 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 18,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit