🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.5

Radius: 9.7

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.45 AU - 0.63 AU

Year: 265 Days

Day: 11.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,212,025 km

• M1: 120,875 km (0.104 R)
• M2: 506,090 km (0.119 R)
• M3: 937,081 km (0.107 R)
• M4: 1,282,503 km (0.085 R)
• M5: 1,837,660 km (0.103 R)
• M6: 2,201,931 km (0.085 R)
• M7: 2,580,264 km (0.092 R)
• M8: 3,020,680 km (0.107 R)
• M9: 3,375,826 km (0.089 R)
• M10: 3,769,866 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 9.9

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.93 AU - 1.01 AU

Year: 637 Days

Day: 9.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 102.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,212,025 km

• M1: 158,125 km (0.044 R)
• M2: 482,752 km (0.082 R)
• M3: 1,073,963 km (0.113 R)
• M4: 1,564,644 km (0.114 R)
• M5: 1,989,502 km (0.088 R)
• M6: 2,331,932 km (0.111 R)
• M7: 2,854,327 km (0.091 R)
• M8: 3,162,948 km (0.073 R)
• M9: 4,195,472 km (0.101 R)
• M10: 5,147,364 km (0.109 R)
• M11: 5,494,730 km (0.071 R)
• M12: 7,200,594 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195

Radius: 12.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.23 AU - 1.87 AU

Year: 1287 Days

Day: 13.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,212,025 km

• M1: 160,369 km (0.092 R)
• M2: 606,470 km (0.074 R)
• M3: 1,075,758 km (0.042 R)
• M4: 1,603,839 km (0.072 R)
• M5: 2,363,796 km (0.062 R)
• M6: 2,770,553 km (0.051 R)
• M7: 3,470,072 km (0.08 R)
• M8: 3,956,116 km (0.08 R)
• M9: 4,680,469 km (0.112 R)
• M10: 5,437,135 km (0.097 R)
• M11: 6,640,201 km (0.108 R)
• M12: 7,107,395 km (0.086 R)
• M13: 7,528,662 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.3

Radius: 12

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.22 AU - 1.92 AU

Year: 1312 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,212,025 km

• M1: 150,495 km (0.081 R)
• M2: 548,575 km (0.095 R)
• M3: 974,181 km (0.118 R)
• M4: 1,987,408 km (0.112 R)
• M5: 2,436,800 km (0.045 R)
• M6: 2,940,197 km (0.041 R)
• M7: 3,374,030 km (0.102 R)
• M8: 4,463,402 km (0.071 R)
• M9: 4,960,067 km (0.086 R)
• M10: 5,514,626 km (0.081 R)
• M11: 6,019,370 km (0.068 R)
• M12: 6,412,064 km (0.064 R)
• M13: 6,995,795 km (0.074 R)
• M14: 8,756,412 km (0.086 R)
• M15: 9,231,834 km (0.053 R)
• M16: 10,137,350 km (0.114 R)
• M17: 10,595,269 km (0.047 R)
• M18: 11,238,839 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166

Radius: 12.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.36 AU - 2.16 AU

Year: 1557 Days

Day: 9.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,212,025 km

• M1: 153,039 km (0.069 R)
• M2: 619,186 km (0.112 R)
• M3: 1,029,383 km (0.095 R)
• M4: 1,432,250 km (0.118 R)
• M5: 2,110,078 km (0.117 R)
• M6: 2,640,253 km (0.089 R)
• M7: 3,431,027 km (0.06 R)
• M8: 4,231,525 km (0.104 R)
• M9: 6,429,567 km (0.096 R)
• M10: 6,877,313 km (0.093 R)
• M11: 7,955,166 km (0.03 R)
• M12: 8,346,963 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.4

Radius: 14.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.58 AU - 3.52 AU

Year: 3552 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,212,025 km

• M1: 179,069 km (0.085 R)
• M2: 1,749,397 km (0.05 R)
• M3: 2,475,845 km (0.117 R)
• M4: 2,953,062 km (0.049 R)
• M5: 3,745,781 km (0.118 R)
• M6: 4,247,532 km (0.101 R)
• M7: 5,518,067 km (0.061 R)
• M8: 7,374,277 km (0.119 R)
• M9: 8,168,193 km (0.1 R)
• M10: 9,055,010 km (0.061 R)
• M11: 9,771,284 km (0.108 R)
• M12: 11,619,267 km (0.068 R)
• M13: 12,329,408 km (0.118 R)
• M14: 14,533,583 km (0.092 R)
• M15: 16,269,068 km (0.113 R)
• M16: 17,847,026 km (0.066 R)
• M17: 18,974,396 km (0.104 R)
• M18: 19,463,132 km (0.097 R)
• M19: 20,786,026 km (0.057 R)
• M20: 22,168,160 km (0.12 R)
• M21: 22,916,150 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 12.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.45 AU - 3.79 AU

Year: 4593 Days

Day: 13.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,212,025 km

• M1: 155,731 km (0.1 R)
• M2: 704,606 km (0.051 R)
• M3: 1,539,661 km (0.075 R)
• M4: 2,995,697 km (0.102 R)
• M5: 4,475,071 km (0.033 R)
• M6: 5,010,182 km (0.111 R)
• M7: 5,587,780 km (0.102 R)
• M8: 7,697,558 km (0.091 R)
• M9: 8,131,841 km (0.098 R)
• M10: 11,741,488 km (0.107 R)
• M11: 12,863,622 km (0.109 R)
• M12: 13,528,734 km (0.073 R)
• M13: 24,701,900 km (0.075 R)
• M14: 29,159,916 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 14.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.33 AU - 5.25 AU

Year: 5925 Days

Day: 7.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,212,025 km

• M1: 176,525 km (0.119 R)
• M2: 1,045,240 km (0.049 R)
• M3: 1,866,832 km (0.073 R)
• M4: 2,400,148 km (0.107 R)
• M5: 3,315,837 km (0.1 R)
• M6: 4,152,837 km (0.108 R)
• M7: 5,584,638 km (0.095 R)
• M8: 8,447,493 km (0.108 R)
• M9: 9,205,804 km (0.099 R)
• M10: 9,844,886 km (0.041 R)
• M11: 10,385,683 km (0.076 R)
• M12: 11,481,786 km (0.118 R)
• M13: 14,215,837 km (0.046 R)
• M14: 14,853,872 km (0.105 R)
• M15: 18,087,729 km (0.12 R)
• M16: 19,607,793 km (0.091 R)
• M17: 20,265,575 km (0.1 R)
• M18: 24,602,716 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116

Radius: 7.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.43 AU - 8.41 AU

Year: 12139 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,212,025 km

• M1: 97,987 km (0.117 R)
• M2: 400,174 km (0.117 R)
• M3: 650,452 km (0.089 R)
• M4: 984,504 km (0.095 R)
• M5: 1,420,133 km (0.113 R)
• M6: 1,670,559 km (0.071 R)
• M7: 2,007,753 km (0.11 R)
• M8: 2,406,132 km (0.101 R)
• M9: 4,277,901 km (0.051 R)
• M10: 4,966,350 km (0.119 R)
• M11: 5,875,456 km (0.087 R)
• M12: 7,618,571 km (0.07 R)
• M13: 8,357,883 km (0.084 R)
• M14: 8,784,387 km (0.09 R)
• M15: 9,103,629 km (0.068 R)
• M16: 15,211,261 km (0.108 R)
• M17: 15,730,366 km (0.074 R)
• M18: 16,804,030 km (0.065 R)
• M19: 25,968,694 km (0.068 R)
• M20: 29,461,206 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.4

Radius: 4.1

Gravity: 14.42 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.65 AU - 8.21 AU

Year: 14892 Days

Day: 21 Hours

Environment

Temp: -222 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,212,025 km

• M1: 51,013 km (0.09 R)
• M2: 508,483 km (0.085 R)
• M3: 700,417 km (0.068 R)
• M4: 1,105,827 km (0.071 R)
• M5: 1,944,324 km (0.043 R)
• M6: 2,493,348 km (0.089 R)
• M7: 2,984,627 km (0.099 R)
• M8: 3,513,306 km (0.073 R)
• M9: 5,278,411 km (0.12 R)
• M10: 6,047,943 km (0.097 R)
• M11: 6,588,440 km (0.087 R)
• M12: 6,813,435 km (0.12 R)
• M13: 7,931,679 km (0.056 R)
• M14: 8,359,080 km (0.117 R)
• M15: 8,711,982 km (0.099 R)
• M16: 9,353,308 km (0.118 R)
• M17: 10,323,151 km (0.107 R)
• M18: 12,689,490 km (0.069 R)
• M19: 12,862,874 km (0.103 R)
• M20: 13,512,278 km (0.039 R)
• M21: 15,459,444 km (0.054 R)
• M22: 15,990,666 km (0.119 R)
• M23: 16,534,005 km (0.097 R)
• M24: 16,810,313 km (0.102 R)
• M25: 19,899,359 km (0.07 R)
• M26: 21,250,378 km (0.029 R)
• M27: 22,661,385 km (0.04 R)
• M28: 23,260,225 km (0.111 R)
• M29: 27,846,896 km (0.104 R)
• M30: 31,393,562 km (0.04 R)
• M31: 34,889,215 km (0.112 R)
• M32: 35,572,279 km (0.095 R)
• M33: 36,032,592 km (0.036 R)
• M34: 37,437,316 km (0.072 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 15,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit