🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.9

Radius: 14.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 12.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,259,676 km

• M1: 182,809 km (0.089 R)
• M2: 873,053 km (0.107 R)
• M3: 1,457,382 km (0.09 R)
• M4: 2,038,720 km (0.086 R)
• M5: 2,804,212 km (0.066 R)
• M6: 3,540,084 km (0.082 R)
• M7: 4,005,633 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 12.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.77 AU - 0.87 AU

Year: 495 Days

Day: 13.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,259,676 km

• M1: 153,039 km (0.113 R)
• M2: 565,779 km (0.096 R)
• M3: 961,466 km (0.119 R)
• M4: 1,490,743 km (0.086 R)
• M5: 2,658,205 km (0.038 R)
• M6: 3,430,130 km (0.086 R)
• M7: 4,173,481 km (0.051 R)
• M8: 5,070,171 km (0.064 R)
• M9: 5,504,304 km (0.108 R)
• M10: 6,333,675 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.6

Radius: 12.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.91 AU - 1.21 AU

Year: 728 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,259,676 km

• M1: 157,975 km (0.114 R)
• M2: 661,223 km (0.075 R)
• M3: 1,202,617 km (0.087 R)
• M4: 1,617,452 km (0.091 R)
• M5: 2,129,526 km (0.057 R)
• M6: 2,806,007 km (0.117 R)
• M7: 3,394,376 km (0.11 R)
• M8: 3,803,077 km (0.105 R)
• M9: 4,542,091 km (0.107 R)
• M10: 5,144,521 km (0.038 R)
• M11: 7,299,479 km (0.106 R)
• M12: 7,891,736 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.6

Radius: 11.2

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.03 AU - 1.11 AU

Year: 738 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 170.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,259,676 km

• M1: 139,276 km (0.075 R)
• M2: 490,831 km (0.075 R)
• M3: 1,000,660 km (0.071 R)
• M4: 1,422,825 km (0.118 R)
• M5: 1,854,864 km (0.11 R)
• M6: 2,238,433 km (0.091 R)
• M7: 2,652,071 km (0.112 R)
• M8: 3,001,980 km (0.079 R)
• M9: 3,855,885 km (0.082 R)
• M10: 4,759,755 km (0.116 R)
• M11: 5,355,454 km (0.062 R)
• M12: 5,879,346 km (0.108 R)
• M13: 6,437,047 km (0.093 R)
• M14: 7,007,314 km (0.081 R)
• M15: 7,515,797 km (0.106 R)
• M16: 8,842,730 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 12.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4 AU - 4.26 AU

Year: 5597 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,259,676 km

• M1: 160,369 km (0.111 R)
• M2: 647,759 km (0.097 R)
• M3: 1,764,208 km (0.107 R)
• M4: 2,232,599 km (0.073 R)
• M5: 3,333,938 km (0.048 R)
• M6: 4,122,319 km (0.093 R)
• M7: 4,699,168 km (0.103 R)
• M8: 5,405,569 km (0.079 R)
• M9: 6,819,269 km (0.075 R)
• M10: 7,436,361 km (0.077 R)
• M11: 9,253,526 km (0.062 R)
• M12: 9,703,067 km (0.072 R)
• M13: 10,167,270 km (0.065 R)
• M14: 10,932,612 km (0.088 R)
• M15: 12,623,667 km (0.065 R)
• M16: 13,037,604 km (0.11 R)
• M17: 14,334,019 km (0.057 R)
• M18: 14,835,322 km (0.046 R)
• M19: 15,452,413 km (0.055 R)
• M20: 16,903,662 km (0.073 R)
• M21: 18,151,757 km (0.11 R)
• M22: 18,977,537 km (0.034 R)
• M23: 22,265,249 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 8.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.12 AU - 4.26 AU

Year: 5719 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,259,676 km

• M1: 108,159 km (0.058 R)
• M2: 516,561 km (0.096 R)
• M3: 881,431 km (0.106 R)
• M4: 1,674,000 km (0.089 R)
• M5: 2,183,830 km (0.078 R)
• M6: 3,129,587 km (0.111 R)
• M7: 3,552,351 km (0.086 R)
• M8: 4,512,769 km (0.061 R)
• M9: 6,625,839 km (0.059 R)
• M10: 7,129,386 km (0.098 R)
• M11: 9,095,102 km (0.044 R)
• M12: 9,877,199 km (0.11 R)
• M13: 10,367,731 km (0.078 R)
• M14: 11,441,544 km (0.101 R)
• M15: 12,825,923 km (0.082 R)
• M16: 14,947,071 km (0.101 R)
• M17: 15,868,594 km (0.101 R)
• M18: 17,116,839 km (0.114 R)
• M19: 19,235,593 km (0.048 R)
• M20: 20,260,040 km (0.038 R)
• M21: 20,587,509 km (0.114 R)
• M22: 23,479,535 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.8

Radius: 3.1

Gravity: 85.1 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.14 AU - 10.86 AU

Year: 18005 Days

Day: 22.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,259,676 km

• M1: 38,596 km (0.071 R)
• M2: 165,306 km (0.055 R)
• M3: 376,388 km (0.093 R)
• M4: 640,279 km (0.108 R)
• M5: 1,002,306 km (0.101 R)
• M6: 1,185,862 km (0.113 R)
• M7: 1,315,414 km (0.119 R)
• M8: 1,743,414 km (0.09 R)
• M9: 2,172,759 km (0.087 R)
• M10: 2,503,371 km (0.103 R)
• M11: 2,692,762 km (0.064 R)
• M12: 4,133,389 km (0.086 R)
• M13: 4,534,910 km (0.119 R)
• M14: 5,337,353 km (0.078 R)
• M15: 6,272,788 km (0.053 R)
• M16: 6,801,916 km (0.11 R)
• M17: 10,676,052 km (0.085 R)
• M18: 13,461,564 km (0.104 R)
• M19: 16,123,808 km (0.108 R)
• M20: 18,846,789 km (0.102 R)
• M21: 21,762,002 km (0.107 R)
• M22: 22,762,962 km (0.091 R)
• M23: 28,702,745 km (0.114 R)
• M24: 34,111,456 km (0.099 R)
• M25: 34,244,748 km (0.097 R)
• M26: 39,423,527 km (0.074 R)
• M27: 42,737,419 km (0.116 R)
• M28: 44,780,327 km (0.081 R)
• M29: 46,559,046 km (0.063 R)
• M30: 46,723,005 km (0.064 R)
• M31: 52,530,993 km (0.112 R)
• M32: 53,244,276 km (0.089 R)
• M33: 57,471,912 km (0.103 R)
• M34: 73,023,059 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.2

Radius: 4.8

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.61 AU - 9.95 AU

Year: 18852 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 175.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,259,676 km

• M1: 86,767 km (0.097 R)
• M2: 453,282 km (0.104 R)
• M3: 1,071,719 km (0.08 R)
• M4: 1,284,597 km (0.095 R)
• M5: 2,080,009 km (0.093 R)
• M6: 2,933,465 km (0.057 R)
• M7: 4,026,277 km (0.105 R)
• M8: 4,193,827 km (0.082 R)
• M9: 4,879,883 km (0.042 R)
• M10: 5,070,620 km (0.103 R)
• M11: 7,721,195 km (0.107 R)
• M12: 10,740,080 km (0.1 R)
• M13: 11,227,171 km (0.066 R)
• M14: 12,657,177 km (0.066 R)
• M15: 18,731,299 km (0.061 R)
• M16: 23,859,514 km (0.093 R)
• M17: 46,224,695 km (0.095 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 14,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit