🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.11 AU - 1.23 AU

Year: 460 Days

Day: 34.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 39,481,417 km

• M1: 1,031,029 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.43 AU - 1.45 AU

Year: 628 Days

Day: 29.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,481,417 km

• M1: 272,418 km (0.066 R)
• M2: 307,872 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.28 AU - 1.86 AU

Year: 715 Days

Day: 40.8 Hours

Environment

Temp: -43 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.99 AU - 2.39 AU

Year: 1178 Days

Day: 25.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.1 AU - 2.44 AU

Year: 1243 Days

Day: 22.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,481,417 km

• M1: 73,453 km (0.105 R)
• M2: 169,494 km (0.116 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.32 AU - 2.82 AU

Year: 1497 Days

Day: 26.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,481,417 km

• M1: 1,395,599 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.8

Radius: 11.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.94 AU - 7.38 AU

Year: 5556 Days

Day: 5.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 95.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 39,481,417 km

• M1: 230,381 km (0.064 R)
• M2: 371,751 km (0.101 R)
• M3: 457,171 km (0.094 R)
• M4: 572,960 km (0.049 R)
• M5: 664,364 km (0.113 R)
• M6: 736,620 km (0.066 R)
• M7: 876,943 km (0.111 R)
• M8: 957,426 km (0.101 R)
• M9: 1,040,752 km (0.112 R)
• M10: 1,352,514 km (0.104 R)
• M11: 1,744,760 km (0.052 R)
• M12: 1,901,090 km (0.057 R)
• M13: 1,972,149 km (0.063 R)
• M14: 2,153,611 km (0.094 R)
• M15: 2,533,290 km (0.098 R)
• M16: 2,691,266 km (0.083 R)
• M17: 2,893,223 km (0.114 R)
• M18: 2,975,502 km (0.098 R)
• M19: 3,226,976 km (0.119 R)
• M20: 3,639,567 km (0.056 R)
• M21: 3,728,577 km (0.055 R)
• M22: 4,278,050 km (0.112 R)
• M23: 4,634,392 km (0.091 R)
• M24: 4,902,023 km (0.117 R)
• M25: 5,401,530 km (0.04 R)
• M26: 5,734,834 km (0.103 R)
• M27: 5,891,164 km (0.069 R)
• M28: 6,395,010 km (0.096 R)
• M29: 6,995,944 km (0.116 R)
• M30: 7,162,896 km (0.076 R)
• M31: 7,472,563 km (0.065 R)
• M32: 7,557,834 km (0.071 R)
• M33: 8,427,895 km (0.066 R)
• M34: 8,874,894 km (0.084 R)
• M35: 9,575,311 km (0.105 R)
• M36: 10,104,439 km (0.111 R)
• M37: 11,354,030 km (0.118 R)
• M38: 11,583,513 km (0.099 R)
• M39: 12,180,558 km (0.1 R)
• M40: 12,314,598 km (0.071 R)
• M41: 12,516,704 km (0.078 R)
• M42: 12,651,941 km (0.117 R)
• M43: 13,335,603 km (0.102 R)
• M44: 13,543,095 km (0.115 R)
• M45: 14,383,686 km (0.045 R)
• M46: 14,810,339 km (0.075 R)
• M47: 15,313,436 km (0.081 R)
• M48: 16,410,138 km (0.117 R)
• M49: 16,930,589 km (0.08 R)
• M50: 17,042,788 km (0.032 R)
• M51: 17,192,834 km (0.102 R)
• M52: 18,755,983 km (0.069 R)
• M53: 18,988,607 km (0.106 R)
• M54: 19,144,189 km (0.079 R)
• M55: 19,652,672 km (0.112 R)
• M56: 19,967,875 km (0.102 R)
• M57: 20,443,746 km (0.098 R)
• M58: 21,366,465 km (0.104 R)
• M59: 21,528,330 km (0.097 R)
• M60: 22,179,680 km (0.047 R)
• M61: 22,879,050 km (0.093 R)
• M62: 23,418,649 km (0.099 R)
• M63: 23,710,963 km (0.119 R)
• M64: 24,172,772 km (0.089 R)
• M65: 24,425,892 km (0.087 R)
• M66: 24,595,087 km (0.102 R)
• M67: 24,934,823 km (0.083 R)
• M68: 25,233,271 km (0.109 R)
• M69: 25,747,738 km (0.055 R)
• M70: 26,395,647 km (0.072 R)
• M71: 26,612,863 km (0.095 R)
• M72: 27,092,773 km (0.081 R)
• M73: 28,149,831 km (0.075 R)
• M74: 28,416,116 km (0.058 R)
• M75: 28,638,717 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.6

Radius: 6.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 14.3 AU - 22.22 AU

Year: 28358 Days

Day: 16.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 82.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 39,481,417 km

• M1: 102,624 km (0.104 R)
• M2: 182,809 km (0.078 R)
• M3: 326,572 km (0.087 R)
• M4: 673,190 km (0.069 R)
• M5: 778,208 km (0.06 R)
• M6: 856,747 km (0.092 R)
• M7: 937,979 km (0.034 R)
• M8: 1,576,313 km (0.066 R)
• M9: 1,616,255 km (0.115 R)
• M10: 1,656,497 km (0.09 R)
• M11: 1,990,699 km (0.08 R)
• M12: 2,099,457 km (0.096 R)
• M13: 2,414,510 km (0.114 R)
• M14: 2,601,357 km (0.086 R)
• M15: 3,368,645 km (0.092 R)
• M16: 3,710,027 km (0.114 R)
• M17: 3,790,361 km (0.117 R)
• M18: 3,844,366 km (0.084 R)
• M19: 4,035,103 km (0.071 R)
• M20: 4,173,182 km (0.079 R)
• M21: 4,341,031 km (0.073 R)
• M22: 4,828,570 km (0.087 R)
• M23: 5,515,673 km (0.101 R)
• M24: 7,045,611 km (0.049 R)
• M25: 7,245,474 km (0.106 R)
• M26: 7,447,431 km (0.118 R)
• M27: 7,719,400 km (0.058 R)
• M28: 8,448,989 km (0.067 R)
• M29: 8,554,904 km (0.067 R)
• M30: 8,947,449 km (0.107 R)
• M31: 9,019,405 km (0.111 R)
• M32: 9,309,326 km (0.091 R)
• M33: 9,418,832 km (0.112 R)
• M34: 9,972,942 km (0.115 R)
• M35: 10,084,991 km (0.109 R)
• M36: 10,689,665 km (0.081 R)
• M37: 10,996,491 km (0.114 R)
• M38: 11,306,158 km (0.091 R)
• M39: 12,092,893 km (0.119 R)
• M40: 13,223,853 km (0.045 R)
• M41: 13,677,285 km (0.118 R)
• M42: 13,718,723 km (0.087 R)
• M43: 13,968,402 km (0.09 R)
• M44: 14,811,835 km (0.072 R)
• M45: 14,854,321 km (0.108 R)
• M46: 15,758,341 km (0.098 R)
• M47: 15,888,939 km (0.093 R)
• M48: 18,437,638 km (0.105 R)
• M49: 18,621,345 km (0.051 R)
• M50: 18,944,027 km (0.119 R)
• M51: 18,990,253 km (0.093 R)
• M52: 21,014,611 km (0.044 R)
• M53: 21,930,599 km (0.067 R)
• M54: 22,027,838 km (0.062 R)
• M55: 22,761,316 km (0.119 R)
• M56: 23,403,390 km (0.049 R)
• M57: 24,201,944 km (0.109 R)
• M58: 24,604,511 km (0.079 R)
• M59: 24,958,610 km (0.104 R)
• M60: 26,340,146 km (0.059 R)
• M61: 26,962,024 km (0.102 R)
• M62: 28,009,359 km (0.042 R)
• M63: 28,538,038 km (0.104 R)
• M64: 28,590,995 km (0.113 R)
• M65: 28,644,103 km (0.119 R)
• M66: 29,497,858 km (0.027 R)
• M67: 30,305,686 km (0.087 R)
• M68: 30,848,427 km (0.096 R)
• M69: 31,668,373 km (0.116 R)
• M70: 31,778,178 km (0.113 R)
• M71: 32,219,043 km (0.098 R)
• M72: 32,995,157 km (0.105 R)
• M73: 33,385,607 km (0.093 R)
• M74: 37,605,314 km (0.112 R)
• M75: 38,833,064 km (0.1 R)
• M76: 39,422,330 km (0.1 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 14,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit