🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.32 AU - 1.34 AU

Year: 557 Days

Day: 38.7 Hours

Environment

Temp: 2 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.68 AU - 4.42 AU

Year: 2962 Days

Day: 38.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 10

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.28 AU - 6.74 AU

Year: 5355 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,099,096 km

• M1: 132,245 km (0.075 R)
• M2: 637,287 km (0.096 R)
• M3: 987,795 km (0.05 R)
• M4: 1,502,860 km (0.098 R)
• M5: 2,118,755 km (0.075 R)
• M6: 2,509,504 km (0.115 R)
• M7: 3,320,175 km (0.094 R)
• M8: 3,744,435 km (0.115 R)
• M9: 4,484,346 km (0.109 R)
• M10: 5,959,381 km (0.108 R)
• M11: 7,427,684 km (0.112 R)
• M12: 9,201,017 km (0.119 R)
• M13: 9,959,329 km (0.111 R)
• M14: 10,586,892 km (0.098 R)
• M15: 11,019,828 km (0.094 R)
• M16: 11,374,525 km (0.104 R)
• M17: 12,200,754 km (0.116 R)
• M18: 12,773,414 km (0.106 R)
• M19: 13,165,211 km (0.071 R)
• M20: 14,388,622 km (0.106 R)
• M21: 16,135,626 km (0.097 R)
• M22: 17,595,552 km (0.068 R)
• M23: 18,888,526 km (0.072 R)
• M24: 19,205,524 km (0.058 R)
• M25: 19,655,215 km (0.113 R)
• M26: 20,046,264 km (0.104 R)
• M27: 20,776,601 km (0.043 R)
• M28: 21,731,783 km (0.103 R)
• M29: 22,715,838 km (0.092 R)
• M30: 25,691,340 km (0.111 R)
• M31: 26,002,503 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 9.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.75 AU - 12.63 AU

Year: 11822 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,099,096 km

• M1: 123,119 km (0.104 R)
• M2: 460,462 km (0.111 R)
• M3: 788,231 km (0.056 R)
• M4: 1,099,096 km (0.079 R)
• M5: 1,441,525 km (0.032 R)
• M6: 2,033,334 km (0.117 R)
• M7: 2,578,020 km (0.107 R)
• M8: 2,993,154 km (0.097 R)
• M9: 3,550,257 km (0.078 R)
• M10: 4,342,377 km (0.087 R)
• M11: 4,750,480 km (0.061 R)
• M12: 7,069,846 km (0.089 R)
• M13: 9,517,716 km (0.092 R)
• M14: 9,858,948 km (0.108 R)
• M15: 10,566,098 km (0.094 R)
• M16: 11,689,877 km (0.066 R)
• M17: 14,110,520 km (0.09 R)
• M18: 14,619,153 km (0.115 R)
• M19: 16,012,507 km (0.057 R)
• M20: 18,153,851 km (0.101 R)
• M21: 23,259,178 km (0.034 R)
• M22: 23,969,169 km (0.064 R)
• M23: 26,472,540 km (0.108 R)
• M24: 31,130,419 km (0.106 R)
• M25: 34,104,275 km (0.098 R)
• M26: 35,484,765 km (0.104 R)
• M27: 42,554,610 km (0.119 R)
• M28: 46,627,562 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 8.4

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 9.76 AU - 13.76 AU

Year: 14657 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,099,096 km

• M1: 132,693 km (0.082 R)
• M2: 535,560 km (0.117 R)
• M3: 898,485 km (0.097 R)
• M4: 1,215,333 km (0.115 R)
• M5: 2,490,206 km (0.08 R)
• M6: 3,076,480 km (0.115 R)
• M7: 3,416,067 km (0.096 R)
• M8: 4,456,820 km (0.076 R)
• M9: 4,927,455 km (0.109 R)
• M10: 6,047,943 km (0.06 R)
• M11: 7,653,277 km (0.03 R)
• M12: 8,034,602 km (0.104 R)
• M13: 8,681,464 km (0.111 R)
• M14: 9,149,107 km (0.105 R)
• M15: 12,708,339 km (0.114 R)
• M16: 14,575,321 km (0.034 R)
• M17: 15,013,792 km (0.107 R)
• M18: 16,856,239 km (0.106 R)
• M19: 19,895,170 km (0.089 R)
• M20: 22,112,809 km (0.105 R)
• M21: 23,182,284 km (0.118 R)
• M22: 26,923,428 km (0.095 R)
• M23: 27,694,904 km (0.1 R)
• M24: 28,367,795 km (0.07 R)
• M25: 33,639,774 km (0.077 R)
• M26: 42,865,624 km (0.116 R)
• M27: 44,220,682 km (0.074 R)
• M28: 44,831,939 km (0.075 R)
• M29: 45,294,047 km (0.098 R)
• M30: 45,915,177 km (0.116 R)
• M31: 46,699,668 km (0.11 R)
• M32: 47,015,918 km (0.075 R)
• M33: 47,812,826 km (0.082 R)
• M34: 53,299,777 km (0.101 R)
• M35: 55,571,719 km (0.094 R)
• M36: 56,283,656 km (0.06 R)
• M37: 60,307,988 km (0.089 R)
• M38: 64,912,461 km (0.057 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 12,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit