🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.1

Radius: 11.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.6 AU - 0.92 AU

Year: 435 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,428,664 km

• M1: 141,819 km (0.104 R)
• M2: 571,015 km (0.047 R)
• M3: 963,709 km (0.116 R)
• M4: 1,328,728 km (0.096 R)
• M5: 1,753,885 km (0.08 R)
• M6: 2,245,165 km (0.043 R)
• M7: 2,995,548 km (0.073 R)
• M8: 3,530,809 km (0.098 R)
• M9: 4,321,284 km (0.076 R)
• M10: 4,682,713 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 10.9

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.78 AU - 0.8 AU

Year: 461 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,428,664 km

• M1: 137,929 km (0.066 R)
• M2: 496,815 km (0.113 R)
• M3: 899,981 km (0.051 R)
• M4: 1,319,603 km (0.099 R)
• M5: 1,681,031 km (0.076 R)
• M6: 2,047,696 km (0.111 R)
• M7: 3,014,397 km (0.055 R)
• M8: 3,447,333 km (0.041 R)
• M9: 4,203,700 km (0.079 R)
• M10: 4,840,987 km (0.04 R)
• M11: 5,576,560 km (0.091 R)
• M12: 6,232,397 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.7

Radius: 8.1

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.82 AU - 0.82 AU

Year: 487 Days

Day: 10 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,428,664 km

• M1: 100,679 km (0.045 R)
• M2: 483,650 km (0.105 R)
• M3: 803,191 km (0.045 R)
• M4: 1,222,065 km (0.106 R)
• M5: 1,496,428 km (0.071 R)
• M6: 1,932,804 km (0.077 R)
• M7: 2,620,655 km (0.066 R)
• M8: 2,993,304 km (0.079 R)
• M9: 3,486,827 km (0.109 R)
• M10: 3,805,770 km (0.062 R)
• M11: 4,130,098 km (0.095 R)
• M12: 4,546,578 km (0.076 R)
• M13: 5,006,592 km (0.101 R)
• M14: 5,330,322 km (0.087 R)
• M15: 5,859,749 km (0.067 R)
• M16: 6,146,528 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 8.2

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.76 AU - 1 AU

Year: 542 Days

Day: 10.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 154.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,428,664 km

• M1: 102,026 km (0.1 R)
• M2: 391,797 km (0.103 R)
• M3: 668,104 km (0.08 R)
• M4: 1,102,836 km (0.07 R)
• M5: 1,395,898 km (0.094 R)
• M6: 1,846,337 km (0.086 R)
• M7: 2,189,066 km (0.1 R)
• M8: 2,945,732 km (0.047 R)
• M9: 3,340,670 km (0.111 R)
• M10: 3,757,001 km (0.091 R)
• M11: 4,325,622 km (0.086 R)
• M12: 4,741,056 km (0.086 R)
• M13: 5,267,640 km (0.069 R)
• M14: 5,998,575 km (0.103 R)
• M15: 6,856,370 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.4

Radius: 8.5

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.25 AU - 1.51 AU

Year: 1063 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,428,664 km

• M1: 105,766 km (0.113 R)
• M2: 381,325 km (0.091 R)
• M3: 983,157 km (0.098 R)
• M4: 1,368,521 km (0.089 R)
• M5: 1,694,645 km (0.036 R)
• M6: 2,146,281 km (0.11 R)
• M7: 2,828,148 km (0.115 R)
• M8: 3,647,196 km (0.07 R)
• M9: 4,281,341 km (0.115 R)
• M10: 6,422,237 km (0.099 R)
• M11: 6,744,171 km (0.113 R)
• M12: 7,052,642 km (0.038 R)
• M13: 7,545,717 km (0.11 R)
• M14: 8,463,948 km (0.118 R)
• M15: 9,250,534 km (0.085 R)
• M16: 9,751,388 km (0.091 R)
• M17: 10,394,808 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.4

Radius: 12.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.16 AU - 2.44 AU

Year: 2288 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,428,664 km

• M1: 155,432 km (0.071 R)
• M2: 562,937 km (0.092 R)
• M3: 1,179,878 km (0.037 R)
• M4: 1,795,773 km (0.053 R)
• M5: 2,373,520 km (0.104 R)
• M6: 3,383,156 km (0.115 R)
• M7: 4,141,318 km (0.052 R)
• M8: 4,741,056 km (0.083 R)
• M9: 6,043,305 km (0.092 R)
• M10: 6,509,901 km (0.105 R)
• M11: 7,053,540 km (0.096 R)
• M12: 8,652,890 km (0.119 R)
• M13: 9,311,121 km (0.11 R)
• M14: 10,692,358 km (0.038 R)
• M15: 12,167,543 km (0.059 R)
• M16: 14,498,427 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.1

Radius: 13.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.22 AU - 2.58 AU

Year: 2439 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 62.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,428,664 km

• M1: 171,140 km (0.062 R)
• M2: 685,009 km (0.067 R)
• M3: 1,183,170 km (0.12 R)
• M4: 1,974,841 km (0.075 R)
• M5: 2,622,151 km (0.113 R)
• M6: 3,051,348 km (0.107 R)
• M7: 5,664,374 km (0.11 R)
• M8: 7,726,431 km (0.047 R)
• M9: 8,976,471 km (0.119 R)
• M10: 9,478,521 km (0.114 R)
• M11: 10,466,316 km (0.117 R)
• M12: 12,155,575 km (0.071 R)
• M13: 13,450,644 km (0.074 R)
• M14: 14,243,662 km (0.098 R)
• M15: 16,215,661 km (0.119 R)
• M16: 17,012,868 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 9.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.16 AU - 3.38 AU

Year: 3879 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,428,664 km

• M1: 124,615 km (0.114 R)
• M2: 431,440 km (0.033 R)
• M3: 1,137,393 km (0.083 R)
• M4: 1,823,149 km (0.076 R)
• M5: 3,054,041 km (0.029 R)
• M6: 4,281,341 km (0.037 R)
• M7: 4,807,926 km (0.027 R)
• M8: 5,547,837 km (0.093 R)
• M9: 6,105,089 km (0.105 R)
• M10: 7,305,163 km (0.114 R)
• M11: 8,539,944 km (0.11 R)
• M12: 9,191,742 km (0.11 R)
• M13: 10,133,760 km (0.118 R)
• M14: 11,773,053 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.8

Radius: 5.2

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.74 AU - 9.84 AU

Year: 15658 Days

Day: 20.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,428,664 km

• M1: 64,776 km (0.113 R)
• M2: 236,664 km (0.063 R)
• M3: 419,173 km (0.115 R)
• M4: 699,520 km (0.057 R)
• M5: 918,980 km (0.075 R)
• M6: 1,621,043 km (0.117 R)
• M7: 2,197,443 km (0.078 R)
• M8: 3,499,992 km (0.076 R)
• M9: 4,740,757 km (0.116 R)
• M10: 6,732,951 km (0.117 R)
• M11: 7,241,285 km (0.092 R)
• M12: 8,429,990 km (0.093 R)
• M13: 8,771,073 km (0.072 R)
• M14: 11,421,498 km (0.087 R)
• M15: 12,143,607 km (0.075 R)
• M16: 16,591,750 km (0.057 R)
• M17: 18,557,466 km (0.075 R)
• M18: 20,937,120 km (0.092 R)
• M19: 21,834,108 km (0.072 R)
• M20: 25,275,607 km (0.037 R)
• M21: 25,476,667 km (0.097 R)
• M22: 25,882,227 km (0.062 R)
• M23: 26,706,062 km (0.062 R)
• M24: 28,514,701 km (0.083 R)
• M25: 30,974,389 km (0.053 R)
• M26: 34,923,473 km (0.112 R)
• M27: 35,173,003 km (0.116 R)
• M28: 37,734,717 km (0.12 R)
• M29: 39,464,816 km (0.073 R)
• M30: 41,526,125 km (0.078 R)
• M31: 42,228,786 km (0.06 R)
• M32: 42,796,660 km (0.047 R)
• M33: 49,697,609 km (0.066 R)
• M34: 50,171,685 km (0.109 R)
• M35: 55,249,785 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.6

Radius: 5.5

Gravity: 18.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.19 AU - 9.91 AU

Year: 17860 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,428,664 km

• M1: 68,366 km (0.052 R)
• M2: 355,744 km (0.113 R)
• M3: 784,641 km (0.117 R)
• M4: 1,117,795 km (0.097 R)
• M5: 1,360,144 km (0.113 R)
• M6: 2,083,898 km (0.089 R)
• M7: 2,563,210 km (0.051 R)
• M8: 2,746,318 km (0.106 R)
• M9: 3,595,884 km (0.085 R)
• M10: 3,944,597 km (0.037 R)
• M11: 4,189,339 km (0.075 R)
• M12: 4,379,478 km (0.111 R)
• M13: 7,639,066 km (0.103 R)
• M14: 8,165,949 km (0.114 R)
• M15: 8,767,931 km (0.073 R)
• M16: 13,016,062 km (0.071 R)
• M17: 14,330,728 km (0.099 R)
• M18: 16,192,025 km (0.108 R)
• M19: 19,146,732 km (0.077 R)
• M20: 25,252,420 km (0.114 R)
• M21: 28,064,112 km (0.113 R)
• M22: 30,128,562 km (0.114 R)
• M23: 30,482,212 km (0.11 R)
• M24: 34,172,492 km (0.089 R)
• M25: 41,400,014 km (0.116 R)
• M26: 44,524,665 km (0.102 R)
• M27: 46,692,787 km (0.096 R)
• M28: 47,484,010 km (0.058 R)
• M29: 54,660,070 km (0.045 R)
• M30: 60,633,663 km (0.077 R)
• M31: 65,044,855 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 18,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit