🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.4

Radius: 12.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.49 AU - 0.79 AU

Year: 353 Days

Day: 11.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,252,751 km

• M1: 155,432 km (0.103 R)
• M2: 603,627 km (0.074 R)
• M3: 1,095,655 km (0.081 R)
• M4: 1,640,191 km (0.045 R)
• M5: 2,128,329 km (0.093 R)
• M6: 3,175,963 km (0.108 R)
• M7: 4,048,118 km (0.106 R)
• M8: 4,583,978 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.1

Radius: 11.8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.87 AU - 1.99 AU

Year: 1851 Days

Day: 8.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,252,751 km

• M1: 151,543 km (0.053 R)
• M2: 675,584 km (0.082 R)
• M3: 1,179,579 km (0.09 R)
• M4: 1,638,845 km (0.098 R)
• M5: 2,227,811 km (0.044 R)
• M6: 2,980,887 km (0.102 R)
• M7: 3,770,914 km (0.03 R)
• M8: 5,358,745 km (0.067 R)
• M9: 6,849,189 km (0.078 R)
• M10: 8,169,540 km (0.076 R)
• M11: 8,764,939 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.1

Radius: 12

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.23 AU - 2.79 AU

Year: 2745 Days

Day: 12.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,252,751 km

• M1: 151,692 km (0.101 R)
• M2: 613,052 km (0.12 R)
• M3: 1,053,169 km (0.079 R)
• M4: 1,635,703 km (0.085 R)
• M5: 2,226,764 km (0.062 R)
• M6: 2,756,640 km (0.08 R)
• M7: 3,474,710 km (0.095 R)
• M8: 4,151,640 km (0.112 R)
• M9: 5,870,220 km (0.052 R)
• M10: 7,440,250 km (0.082 R)
• M11: 7,990,022 km (0.082 R)
• M12: 10,277,972 km (0.101 R)
• M13: 10,729,758 km (0.074 R)
• M14: 11,116,319 km (0.083 R)
• M15: 12,628,454 km (0.119 R)
• M16: 14,741,673 km (0.111 R)
• M17: 15,268,557 km (0.113 R)
• M18: 16,410,587 km (0.085 R)
• M19: 17,396,437 km (0.101 R)
• M20: 18,147,718 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 8.1

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.96 AU - 4.76 AU

Year: 6284 Days

Day: 11.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,252,751 km

• M1: 103,671 km (0.12 R)
• M2: 469,289 km (0.108 R)
• M3: 930,200 km (0.034 R)
• M4: 1,197,381 km (0.103 R)
• M5: 1,849,329 km (0.05 R)
• M6: 2,166,177 km (0.12 R)
• M7: 2,626,789 km (0.096 R)
• M8: 2,969,069 km (0.103 R)
• M9: 3,628,646 km (0.052 R)
• M10: 4,782,644 km (0.066 R)
• M11: 5,843,442 km (0.106 R)
• M12: 7,717,605 km (0.058 R)
• M13: 9,781,307 km (0.03 R)
• M14: 10,844,050 km (0.068 R)
• M15: 14,032,879 km (0.078 R)
• M16: 24,836,538 km (0.059 R)
• M17: 34,769,238 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.3

Radius: 11.7

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.38 AU - 5.36 AU

Year: 6306 Days

Day: 8.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,252,751 km

• M1: 145,559 km (0.1 R)
• M2: 522,246 km (0.058 R)
• M3: 1,249,890 km (0.119 R)
• M4: 1,745,059 km (0.036 R)
• M5: 2,125,187 km (0.11 R)
• M6: 2,490,356 km (0.077 R)
• M7: 2,937,055 km (0.042 R)
• M8: 3,349,945 km (0.072 R)
• M9: 3,969,430 km (0.041 R)
• M10: 4,423,759 km (0.06 R)
• M11: 5,437,733 km (0.036 R)
• M12: 6,195,596 km (0.119 R)
• M13: 6,951,065 km (0.109 R)
• M14: 11,680,751 km (0.073 R)
• M15: 12,511,917 km (0.047 R)
• M16: 13,549,528 km (0.037 R)
• M17: 16,045,718 km (0.055 R)
• M18: 18,142,781 km (0.092 R)
• M19: 20,049,256 km (0.098 R)
• M20: 22,556,666 km (0.098 R)
• M21: 28,926,244 km (0.078 R)
• M22: 29,395,533 km (0.108 R)
• M23: 29,774,464 km (0.077 R)
• M24: 30,542,350 km (0.088 R)
• M25: 35,216,386 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 10.8

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.36 AU - 5.36 AU

Year: 8566 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,252,751 km

• M1: 134,488 km (0.109 R)
• M2: 481,107 km (0.095 R)
• M3: 877,541 km (0.077 R)
• M4: 1,435,691 km (0.075 R)
• M5: 2,254,290 km (0.104 R)
• M6: 2,729,264 km (0.091 R)
• M7: 3,075,283 km (0.07 R)
• M8: 3,710,027 km (0.112 R)
• M9: 4,484,944 km (0.046 R)
• M10: 4,823,783 km (0.119 R)
• M11: 5,878,448 km (0.073 R)
• M12: 6,389,923 km (0.096 R)
• M13: 7,005,519 km (0.069 R)
• M14: 9,776,520 km (0.088 R)
• M15: 10,545,004 km (0.062 R)
• M16: 13,264,993 km (0.088 R)
• M17: 18,495,383 km (0.083 R)
• M18: 18,857,410 km (0.07 R)
• M19: 19,297,826 km (0.058 R)
• M20: 24,607,803 km (0.035 R)
• M21: 25,311,212 km (0.067 R)
• M22: 27,784,364 km (0.077 R)
• M23: 28,450,972 km (0.117 R)
• M24: 28,836,785 km (0.056 R)
• M25: 30,314,213 km (0.092 R)
• M26: 32,782,429 km (0.111 R)
• M27: 34,282,297 km (0.12 R)
• M28: 35,270,540 km (0.068 R)
• M29: 36,959,500 km (0.1 R)
• M30: 40,255,441 km (0.112 R)
• M31: 40,741,634 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.7

Radius: 7.8

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.27 AU - 8.39 AU

Year: 12321 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,252,751 km

• M1: 97,239 km (0.084 R)
• M2: 521,199 km (0.086 R)
• M3: 937,380 km (0.11 R)
• M4: 1,316,162 km (0.085 R)
• M5: 1,794,576 km (0.086 R)
• M6: 2,100,205 km (0.08 R)
• M7: 3,030,554 km (0.114 R)
• M8: 4,076,243 km (0.082 R)
• M9: 4,785,187 km (0.051 R)
• M10: 5,981,820 km (0.029 R)
• M11: 7,816,489 km (0.106 R)
• M12: 8,503,592 km (0.089 R)
• M13: 9,899,489 km (0.119 R)
• M14: 10,346,488 km (0.089 R)
• M15: 11,227,470 km (0.114 R)
• M16: 15,190,617 km (0.115 R)
• M17: 16,533,407 km (0.083 R)
• M18: 26,385,923 km (0.068 R)
• M19: 29,423,956 km (0.071 R)
• M20: 30,140,829 km (0.1 R)
• M21: 39,303,549 km (0.03 R)
• M22: 40,047,948 km (0.115 R)
• M23: 44,847,497 km (0.07 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: 170 - 12,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit