🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.8

Radius: 14.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.6 AU - 0.94 AU

Year: 436 Days

Day: 10.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,729,340 km

• M1: 177,872 km (0.117 R)
• M2: 639,531 km (0.109 R)
• M3: 1,292,077 km (0.03 R)
• M4: 1,812,229 km (0.11 R)
• M5: 2,632,025 km (0.119 R)
• M6: 3,244,778 km (0.097 R)
• M7: 3,726,932 km (0.083 R)
• M8: 5,058,652 km (0.089 R)
• M9: 5,590,173 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 13.9

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.87 AU - 1.25 AU

Year: 705 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,729,340 km

• M1: 172,935 km (0.066 R)
• M2: 640,428 km (0.088 R)
• M3: 1,151,006 km (0.076 R)
• M4: 2,135,510 km (0.064 R)
• M5: 2,667,330 km (0.085 R)
• M6: 3,145,744 km (0.081 R)
• M7: 3,625,504 km (0.073 R)
• M8: 4,169,741 km (0.112 R)
• M9: 4,974,728 km (0.111 R)
• M10: 6,159,244 km (0.032 R)
• M11: 7,501,136 km (0.095 R)
• M12: 8,440,312 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 12.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.95 AU - 1.29 AU

Year: 765 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,729,340 km

• M1: 157,078 km (0.076 R)
• M2: 598,242 km (0.102 R)
• M3: 1,282,503 km (0.088 R)
• M4: 1,923,679 km (0.116 R)
• M5: 2,518,779 km (0.103 R)
• M6: 3,509,566 km (0.093 R)
• M7: 4,609,410 km (0.106 R)
• M8: 5,751,589 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 8.4

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.3 AU - 2 AU

Year: 1368 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,729,340 km

• M1: 104,419 km (0.094 R)
• M2: 477,516 km (0.114 R)
• M3: 1,043,894 km (0.118 R)
• M4: 1,371,962 km (0.083 R)
• M5: 1,681,630 km (0.09 R)
• M6: 2,264,014 km (0.099 R)
• M7: 2,661,047 km (0.113 R)
• M8: 3,192,419 km (0.069 R)
• M9: 3,547,115 km (0.04 R)
• M10: 3,826,115 km (0.044 R)
• M11: 4,191,134 km (0.096 R)
• M12: 4,950,792 km (0.041 R)
• M13: 5,300,253 km (0.102 R)
• M14: 6,187,966 km (0.087 R)
• M15: 7,512,356 km (0.101 R)
• M16: 8,542,786 km (0.101 R)
• M17: 9,107,070 km (0.059 R)
• M18: 9,759,466 km (0.118 R)
• M19: 10,376,258 km (0.035 R)
• M20: 11,687,633 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.3

Radius: 9.1

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.59 AU - 1.75 AU

Year: 1393 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,729,340 km

• M1: 113,246 km (0.113 R)
• M2: 556,354 km (0.057 R)
• M3: 865,723 km (0.066 R)
• M4: 1,176,288 km (0.12 R)
• M5: 1,480,271 km (0.1 R)
• M6: 1,932,804 km (0.047 R)
• M7: 2,239,929 km (0.059 R)
• M8: 2,527,306 km (0.102 R)
• M9: 2,825,455 km (0.104 R)
• M10: 3,208,126 km (0.11 R)
• M11: 3,525,872 km (0.049 R)
• M12: 4,394,587 km (0.096 R)
• M13: 4,869,261 km (0.119 R)
• M14: 5,487,848 km (0.098 R)
• M15: 5,851,222 km (0.112 R)
• M16: 6,575,574 km (0.075 R)
• M17: 7,038,281 km (0.11 R)
• M18: 7,577,731 km (0.115 R)
• M19: 7,942,899 km (0.049 R)
• M20: 9,047,081 km (0.077 R)
• M21: 9,684,966 km (0.098 R)
• M22: 10,837,917 km (0.115 R)
• M23: 13,824,638 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 10.9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.08 AU - 4.62 AU

Year: 4878 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,729,340 km

• M1: 135,835 km (0.103 R)
• M2: 566,078 km (0.046 R)
• M3: 931,995 km (0.117 R)
• M4: 1,722,320 km (0.054 R)
• M5: 4,367,959 km (0.097 R)
• M6: 6,444,227 km (0.086 R)
• M7: 9,028,830 km (0.055 R)
• M8: 13,910,956 km (0.055 R)
• M9: 15,789,457 km (0.076 R)
• M10: 16,255,005 km (0.098 R)
• M11: 18,786,201 km (0.059 R)
• M12: 23,170,765 km (0.028 R)
• M13: 24,076,880 km (0.112 R)
• M14: 26,121,135 km (0.104 R)
• M15: 28,364,055 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.1

Radius: 6.6

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.41 AU - 7.89 AU

Year: 12345 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 173.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,729,340 km

• M1: 82,578 km (0.049 R)
• M2: 339,288 km (0.087 R)
• M3: 784,342 km (0.078 R)
• M4: 1,104,331 km (0.108 R)
• M5: 1,350,270 km (0.1 R)
• M6: 1,936,395 km (0.095 R)
• M7: 4,087,014 km (0.115 R)
• M8: 4,488,235 km (0.106 R)
• M9: 5,262,105 km (0.111 R)
• M10: 5,514,477 km (0.099 R)
• M11: 5,965,963 km (0.085 R)
• M12: 6,985,323 km (0.063 R)
• M13: 7,741,839 km (0.091 R)
• M14: 8,021,438 km (0.066 R)
• M15: 9,789,236 km (0.119 R)
• M16: 11,260,082 km (0.062 R)
• M17: 12,172,480 km (0.099 R)
• M18: 13,733,533 km (0.091 R)
• M19: 14,491,845 km (0.102 R)
• M20: 16,242,589 km (0.099 R)
• M21: 16,624,213 km (0.03 R)
• M22: 20,777,199 km (0.061 R)
• M23: 23,380,651 km (0.094 R)
• M24: 25,063,029 km (0.114 R)
• M25: 25,368,059 km (0.106 R)
• M26: 27,250,748 km (0.099 R)
• M27: 27,898,357 km (0.1 R)
• M28: 30,476,527 km (0.096 R)
• M29: 31,409,270 km (0.071 R)
• M30: 31,645,485 km (0.079 R)
• M31: 41,239,495 km (0.099 R)
• M32: 48,557,225 km (0.038 R)
• M33: 49,989,026 km (0.03 R)
• M34: 54,113,888 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 15,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit