🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.9

Radius: 8.4

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.7 AU - 0.96 AU

Year: 522 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,966,127 km

• M1: 105,018 km (0.1 R)
• M2: 430,393 km (0.106 R)
• M3: 721,959 km (0.083 R)
• M4: 1,029,832 km (0.045 R)
• M5: 1,606,232 km (0.09 R)
• M6: 2,344,797 km (0.046 R)
• M7: 2,691,116 km (0.119 R)
• M8: 3,163,397 km (0.067 R)
• M9: 3,651,385 km (0.114 R)
• M10: 5,156,639 km (0.078 R)
• M11: 6,119,899 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.4

Radius: 13.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.55 AU - 1.59 AU

Year: 1358 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,966,127 km

• M1: 169,195 km (0.087 R)
• M2: 764,296 km (0.12 R)
• M3: 1,210,696 km (0.088 R)
• M4: 1,991,746 km (0.103 R)
• M5: 2,754,396 km (0.117 R)
• M6: 4,042,733 km (0.076 R)
• M7: 4,478,960 km (0.051 R)
• M8: 5,013,623 km (0.082 R)
• M9: 5,663,925 km (0.096 R)
• M10: 6,134,709 km (0.111 R)
• M11: 6,775,437 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.9

Radius: 9.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.28 AU - 2.7 AU

Year: 2712 Days

Day: 13.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,966,127 km

• M1: 122,072 km (0.102 R)
• M2: 453,581 km (0.055 R)
• M3: 820,993 km (0.037 R)
• M4: 1,171,052 km (0.088 R)
• M5: 1,508,096 km (0.097 R)
• M6: 1,814,024 km (0.102 R)
• M7: 2,608,688 km (0.098 R)
• M8: 2,920,300 km (0.079 R)
• M9: 3,585,711 km (0.044 R)
• M10: 3,918,417 km (0.056 R)
• M11: 4,505,888 km (0.104 R)
• M12: 5,715,237 km (0.074 R)
• M13: 7,946,190 km (0.112 R)
• M14: 9,110,361 km (0.112 R)
• M15: 9,666,566 km (0.1 R)
• M16: 10,846,743 km (0.12 R)
• M17: 11,211,463 km (0.09 R)
• M18: 11,584,410 km (0.085 R)
• M19: 12,513,413 km (0.11 R)
• M20: 15,052,388 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 10.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.89 AU - 6.23 AU

Year: 7857 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,966,127 km

• M1: 127,158 km (0.085 R)
• M2: 595,100 km (0.118 R)
• M3: 2,836,525 km (0.085 R)
• M4: 3,326,907 km (0.086 R)
• M5: 4,778,306 km (0.116 R)
• M6: 6,268,600 km (0.118 R)
• M7: 7,003,574 km (0.102 R)
• M8: 8,305,225 km (0.05 R)
• M9: 8,683,259 km (0.06 R)
• M10: 9,151,949 km (0.098 R)
• M11: 9,678,833 km (0.092 R)
• M12: 13,532,175 km (0.101 R)
• M13: 14,431,407 km (0.053 R)
• M14: 15,369,984 km (0.096 R)
• M15: 21,238,260 km (0.118 R)
• M16: 22,018,413 km (0.083 R)
• M17: 24,782,832 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.8

Radius: 7.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.63 AU - 8.79 AU

Year: 13363 Days

Day: 21.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,966,127 km

• M1: 95,743 km (0.118 R)
• M2: 466,596 km (0.109 R)
• M3: 860,337 km (0.049 R)
• M4: 1,227,002 km (0.113 R)
• M5: 2,277,628 km (0.096 R)
• M6: 2,837,722 km (0.088 R)
• M7: 4,626,314 km (0.062 R)
• M8: 5,074,659 km (0.068 R)
• M9: 5,351,714 km (0.079 R)
• M10: 5,609,771 km (0.113 R)
• M11: 6,595,172 km (0.115 R)
• M12: 9,391,006 km (0.073 R)
• M13: 10,240,722 km (0.043 R)
• M14: 10,684,280 km (0.104 R)
• M15: 12,790,020 km (0.098 R)
• M16: 13,514,223 km (0.117 R)
• M17: 14,651,316 km (0.102 R)
• M18: 15,734,106 km (0.084 R)
• M19: 18,902,738 km (0.055 R)
• M20: 20,392,135 km (0.066 R)
• M21: 25,167,897 km (0.094 R)
• M22: 28,939,558 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.8

Radius: 5.4

Gravity: 26.6 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.23 AU - 10.53 AU

Year: 19830 Days

Day: 23.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,966,127 km

• M1: 100,380 km (0.096 R)
• M2: 343,926 km (0.048 R)
• M3: 688,150 km (0.075 R)
• M4: 883,525 km (0.115 R)
• M5: 1,197,830 km (0.055 R)
• M6: 1,533,528 km (0.055 R)
• M7: 2,414,510 km (0.089 R)
• M8: 2,976,698 km (0.054 R)
• M9: 4,960,217 km (0.086 R)
• M10: 9,056,356 km (0.101 R)
• M11: 11,599,669 km (0.108 R)
• M12: 14,203,271 km (0.113 R)
• M13: 20,819,536 km (0.101 R)
• M14: 24,733,315 km (0.103 R)
• M15: 29,232,471 km (0.102 R)
• M16: 34,112,653 km (0.099 R)
• M17: 40,409,676 km (0.114 R)
• M18: 55,427,507 km (0.099 R)
• M19: 55,614,504 km (0.081 R)
• M20: 62,025,372 km (0.091 R)
• M21: 64,680,285 km (0.084 R)
• M22: 65,095,419 km (0.103 R)
• M23: 74,682,399 km (0.116 R)
• M24: 74,910,685 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.3

Radius: 5.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.11 AU - 10.83 AU

Year: 20116 Days

Day: 16.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,966,127 km

• M1: 67,169 km (0.097 R)
• M2: 366,814 km (0.105 R)
• M3: 815,159 km (0.076 R)
• M4: 1,058,704 km (0.047 R)
• M5: 1,247,497 km (0.113 R)
• M6: 1,984,565 km (0.119 R)
• M7: 6,384,388 km (0.067 R)
• M8: 7,235,002 km (0.086 R)
• M9: 10,191,355 km (0.082 R)
• M10: 10,520,470 km (0.085 R)
• M11: 10,856,617 km (0.098 R)
• M12: 12,168,141 km (0.064 R)
• M13: 13,135,890 km (0.049 R)
• M14: 20,857,234 km (0.112 R)
• M15: 22,396,596 km (0.042 R)
• M16: 32,741,289 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.6

Radius: 5.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.77 AU - 12.85 AU

Year: 22851 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,966,127 km

• M1: 64,626 km (0.075 R)
• M2: 257,757 km (0.045 R)
• M3: 1,793,529 km (0.089 R)
• M4: 1,974,542 km (0.107 R)
• M5: 2,278,376 km (0.101 R)
• M6: 5,114,452 km (0.111 R)
• M7: 6,567,945 km (0.088 R)
• M8: 10,003,909 km (0.119 R)
• M9: 10,951,462 km (0.115 R)
• M10: 13,084,877 km (0.043 R)
• M11: 15,686,234 km (0.08 R)
• M12: 17,849,569 km (0.075 R)
• M13: 19,238,885 km (0.12 R)
• M14: 22,143,626 km (0.067 R)
• M15: 24,388,791 km (0.081 R)
• M16: 25,138,127 km (0.105 R)
• M17: 25,806,381 km (0.117 R)
• M18: 28,700,950 km (0.102 R)
• M19: 31,254,436 km (0.052 R)
• M20: 34,303,540 km (0.037 R)
• M21: 37,668,893 km (0.089 R)
• M22: 38,167,054 km (0.045 R)
• M23: 39,687,567 km (0.095 R)
• M24: 42,043,434 km (0.111 R)
• M25: 45,749,422 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 13,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit