🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 8.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.82 AU - 0.92 AU

Year: 524 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,147,107 km

• M1: 100,679 km (0.106 R)
• M2: 426,354 km (0.108 R)
• M3: 729,140 km (0.111 R)
• M4: 1,038,209 km (0.09 R)
• M5: 1,406,818 km (0.063 R)
• M6: 2,108,881 km (0.07 R)
• M7: 2,386,535 km (0.069 R)
• M8: 3,391,234 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 11.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.41 AU - 1.55 AU

Year: 1163 Days

Day: 13.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,147,107 km

• M1: 145,559 km (0.046 R)
• M2: 591,809 km (0.088 R)
• M3: 1,161,927 km (0.075 R)
• M4: 1,685,818 km (0.063 R)
• M5: 2,441,587 km (0.051 R)
• M6: 2,929,575 km (0.089 R)
• M7: 3,554,296 km (0.087 R)
• M8: 4,449,789 km (0.077 R)
• M9: 5,239,217 km (0.064 R)
• M10: 5,667,815 km (0.106 R)
• M11: 6,035,825 km (0.073 R)
• M12: 6,529,498 km (0.091 R)
• M13: 8,225,489 km (0.095 R)
• M14: 8,592,004 km (0.089 R)
• M15: 9,844,437 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.7

Radius: 10.2

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.63 AU - 2.07 AU

Year: 1625 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,147,107 km

• M1: 128,654 km (0.105 R)
• M2: 501,003 km (0.079 R)
• M3: 936,632 km (0.102 R)
• M4: 1,420,133 km (0.105 R)
• M5: 1,792,631 km (0.074 R)
• M6: 2,417,651 km (0.096 R)
• M7: 2,896,215 km (0.095 R)
• M8: 3,372,235 km (0.108 R)
• M9: 3,689,383 km (0.106 R)
• M10: 5,142,277 km (0.088 R)
• M11: 5,496,226 km (0.109 R)
• M12: 7,132,078 km (0.093 R)
• M13: 7,489,019 km (0.076 R)
• M14: 8,358,931 km (0.098 R)
• M15: 8,849,612 km (0.056 R)
• M16: 10,403,186 km (0.119 R)
• M17: 11,672,673 km (0.083 R)
• M18: 13,002,149 km (0.041 R)
• M19: 13,494,775 km (0.112 R)
• M20: 14,042,303 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 10.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.74 AU - 2.86 AU

Year: 3025 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,147,107 km

• M1: 135,536 km (0.089 R)
• M2: 515,514 km (0.109 R)
• M3: 872,305 km (0.056 R)
• M4: 1,464,414 km (0.064 R)
• M5: 1,852,770 km (0.119 R)
• M6: 2,196,246 km (0.115 R)
• M7: 3,266,769 km (0.119 R)
• M8: 3,712,570 km (0.057 R)
• M9: 4,354,944 km (0.073 R)
• M10: 5,045,039 km (0.083 R)
• M11: 5,973,293 km (0.117 R)
• M12: 6,612,675 km (0.109 R)
• M13: 7,106,048 km (0.093 R)
• M14: 9,950,802 km (0.087 R)
• M15: 10,475,740 km (0.116 R)
• M16: 11,625,251 km (0.103 R)
• M17: 12,529,570 km (0.091 R)
• M18: 13,046,580 km (0.036 R)
• M19: 16,453,073 km (0.114 R)
• M20: 17,130,602 km (0.09 R)
• M21: 18,420,883 km (0.102 R)
• M22: 19,586,251 km (0.118 R)
• M23: 19,964,434 km (0.091 R)
• M24: 23,027,002 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.2

Radius: 11.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.06 AU - 4.56 AU

Year: 5777 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,147,107 km

• M1: 141,968 km (0.106 R)
• M2: 548,127 km (0.056 R)
• M3: 924,216 km (0.06 R)
• M4: 1,932,356 km (0.065 R)
• M5: 4,522,942 km (0.119 R)
• M6: 5,780,013 km (0.045 R)
• M7: 6,401,742 km (0.114 R)
• M8: 7,580,423 km (0.071 R)
• M9: 9,884,679 km (0.113 R)
• M10: 12,254,459 km (0.095 R)
• M11: 12,667,798 km (0.099 R)
• M12: 15,400,203 km (0.104 R)
• M13: 17,852,112 km (0.081 R)
• M14: 20,297,289 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 8.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.62 AU - 5 AU

Year: 6811 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,147,107 km

• M1: 109,506 km (0.096 R)
• M2: 393,891 km (0.034 R)
• M3: 668,254 km (0.073 R)
• M4: 1,449,155 km (0.099 R)
• M5: 1,821,803 km (0.061 R)
• M6: 2,434,406 km (0.039 R)
• M7: 2,762,025 km (0.066 R)
• M8: 3,657,518 km (0.099 R)
• M9: 4,232,423 km (0.069 R)
• M10: 4,734,773 km (0.107 R)
• M11: 7,609,146 km (0.063 R)
• M12: 8,352,348 km (0.12 R)
• M13: 9,983,115 km (0.114 R)
• M14: 10,645,983 km (0.086 R)
• M15: 13,808,332 km (0.082 R)
• M16: 14,464,020 km (0.115 R)
• M17: 15,254,944 km (0.113 R)
• M18: 15,544,416 km (0.117 R)
• M19: 19,041,266 km (0.083 R)
• M20: 23,487,913 km (0.105 R)
• M21: 23,874,175 km (0.096 R)
• M22: 24,343,164 km (0.098 R)
• M23: 24,738,701 km (0.031 R)
• M24: 25,624,021 km (0.091 R)
• M25: 27,972,558 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385

Radius: 3

Gravity: 42.78 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.26 AU - 9.44 AU

Year: 14201 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,147,107 km

• M1: 60,138 km (0.04 R)
• M2: 165,754 km (0.078 R)
• M3: 1,385,725 km (0.102 R)
• M4: 1,982,920 km (0.056 R)
• M5: 2,386,834 km (0.041 R)
• M6: 3,257,494 km (0.076 R)
• M7: 3,980,201 km (0.077 R)
• M8: 5,322,094 km (0.109 R)
• M9: 6,392,766 km (0.105 R)
• M10: 7,140,606 km (0.094 R)
• M11: 11,881,811 km (0.118 R)
• M12: 12,763,990 km (0.045 R)
• M13: 14,723,572 km (0.076 R)
• M14: 32,583,763 km (0.102 R)
• M15: 32,696,410 km (0.091 R)
• M16: 35,243,164 km (0.091 R)
• M17: 36,686,634 km (0.079 R)
• M18: 39,051,627 km (0.055 R)
• M19: 47,328,428 km (0.114 R)
• M20: 48,935,558 km (0.068 R)
• M21: 49,976,909 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.9

Radius: 5.9

Gravity: 25.65 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.05 AU - 9.39 AU

Year: 15217 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,147,107 km

• M1: 74,649 km (0.034 R)
• M2: 302,337 km (0.03 R)
• M3: 540,497 km (0.041 R)
• M4: 790,326 km (0.101 R)
• M5: 1,180,776 km (0.026 R)
• M6: 1,420,282 km (0.095 R)
• M7: 1,641,687 km (0.047 R)
• M8: 2,841,462 km (0.071 R)
• M9: 5,887,873 km (0.116 R)
• M10: 6,548,647 km (0.073 R)
• M11: 7,211,964 km (0.028 R)
• M12: 10,029,340 km (0.063 R)
• M13: 12,620,376 km (0.114 R)
• M14: 17,959,224 km (0.1 R)
• M15: 26,225,554 km (0.096 R)
• M16: 32,159,353 km (0.051 R)
• M17: 34,973,888 km (0.108 R)
• M18: 35,370,023 km (0.106 R)
• M19: 39,070,476 km (0.088 R)
• M20: 39,926,475 km (0.116 R)
• M21: 49,849,002 km (0.107 R)
• M22: 52,563,456 km (0.109 R)
• M23: 53,431,572 km (0.077 R)
• M24: 57,915,619 km (0.047 R)
• M25: 60,343,592 km (0.064 R)
• M26: 65,201,783 km (0.07 R)

Asteroid Belt

Center: 9.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.1

Radius: 3.5

Gravity: 76.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.68 AU - 11.46 AU

Year: 20633 Days

Day: 20.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,147,107 km

• M1: 43,533 km (0.073 R)
• M2: 181,462 km (0.04 R)
• M3: 345,870 km (0.101 R)
• M4: 606,619 km (0.072 R)
• M5: 852,409 km (0.079 R)
• M6: 972,985 km (0.1 R)
• M7: 1,834,219 km (0.106 R)
• M8: 2,368,284 km (0.115 R)
• M9: 2,608,688 km (0.117 R)
• M10: 4,404,909 km (0.097 R)
• M11: 4,805,532 km (0.076 R)
• M12: 5,390,460 km (0.103 R)
• M13: 6,109,128 km (0.05 R)
• M14: 6,606,840 km (0.106 R)
• M15: 10,806,501 km (0.105 R)
• M16: 15,738,893 km (0.086 R)
• M17: 17,017,805 km (0.062 R)
• M18: 23,689,720 km (0.064 R)
• M19: 29,073,598 km (0.04 R)
• M20: 31,253,239 km (0.076 R)
• M21: 31,914,462 km (0.028 R)
• M22: 34,232,331 km (0.118 R)
• M23: 40,434,509 km (0.056 R)
• M24: 46,312,808 km (0.104 R)
• M25: 50,895,440 km (0.049 R)
• M26: 52,549,543 km (0.06 R)
• M27: 53,296,037 km (0.118 R)
• M28: 63,442,811 km (0.058 R)
• M29: 70,650,736 km (0.093 R)
• M30: 71,331,855 km (0.109 R)
• M31: 78,627,893 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 15,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit