🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 10.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.57 AU - 0.75 AU

Year: 370 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,738,477 km

• M1: 125,961 km (0.104 R)
• M2: 558,748 km (0.111 R)
• M3: 1,034,768 km (0.114 R)
• M4: 1,544,897 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.4

Radius: 10.7

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.07 AU - 1.61 AU

Year: 1071 Days

Day: 6.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 79.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,738,477 km

• M1: 133,142 km (0.055 R)
• M2: 565,779 km (0.05 R)
• M3: 991,684 km (0.109 R)
• M4: 1,356,553 km (0.111 R)
• M5: 1,693,747 km (0.104 R)
• M6: 2,280,021 km (0.082 R)
• M7: 2,801,819 km (0.106 R)
• M8: 3,146,642 km (0.04 R)
• M9: 3,748,773 km (0.099 R)
• M10: 4,085,967 km (0.112 R)
• M11: 5,086,477 km (0.05 R)
• M12: 5,501,162 km (0.108 R)
• M13: 6,580,511 km (0.113 R)
• M14: 7,342,114 km (0.114 R)
• M15: 8,241,197 km (0.095 R)
• M16: 9,356,748 km (0.096 R)
• M17: 10,257,477 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 9.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.56 AU - 2.18 AU

Year: 1765 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,738,477 km

• M1: 124,316 km (0.052 R)
• M2: 844,031 km (0.089 R)
• M3: 1,196,633 km (0.119 R)
• M4: 1,567,486 km (0.061 R)
• M5: 2,559,021 km (0.051 R)
• M6: 3,227,873 km (0.114 R)
• M7: 4,095,541 km (0.104 R)
• M8: 5,192,841 km (0.059 R)
• M9: 8,123,314 km (0.089 R)
• M10: 9,255,171 km (0.098 R)
• M11: 10,923,637 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.1

Radius: 11.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.97 AU - 2.55 AU

Year: 2345 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,738,477 km

• M1: 145,858 km (0.046 R)
• M2: 519,853 km (0.069 R)
• M3: 1,049,429 km (0.067 R)
• M4: 1,518,867 km (0.102 R)
• M5: 2,045,003 km (0.09 R)
• M6: 2,524,165 km (0.111 R)
• M7: 3,220,393 km (0.095 R)
• M8: 3,782,881 km (0.057 R)
• M9: 4,212,975 km (0.081 R)
• M10: 4,592,804 km (0.109 R)
• M11: 5,039,354 km (0.062 R)
• M12: 5,514,776 km (0.116 R)
• M13: 5,946,067 km (0.058 R)
• M14: 6,635,264 km (0.12 R)
• M15: 7,068,350 km (0.106 R)
• M16: 9,223,307 km (0.043 R)
• M17: 11,283,719 km (0.038 R)
• M18: 13,938,632 km (0.085 R)
• M19: 14,336,562 km (0.088 R)
• M20: 15,155,012 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.2

Radius: 11.4

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.79 AU - 4.53 AU

Year: 4833 Days

Day: 13.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,738,477 km

• M1: 141,819 km (0.08 R)
• M2: 686,355 km (0.055 R)
• M3: 1,047,335 km (0.116 R)
• M4: 2,288,399 km (0.092 R)
• M5: 2,830,691 km (0.107 R)
• M6: 3,741,443 km (0.041 R)
• M7: 4,242,596 km (0.057 R)
• M8: 5,091,115 km (0.083 R)
• M9: 5,460,921 km (0.085 R)
• M10: 7,221,538 km (0.1 R)
• M11: 7,723,738 km (0.087 R)
• M12: 9,063,237 km (0.093 R)
• M13: 9,929,858 km (0.061 R)
• M14: 10,425,326 km (0.115 R)
• M15: 10,807,698 km (0.118 R)
• M16: 11,645,895 km (0.094 R)
• M17: 14,110,370 km (0.082 R)
• M18: 14,790,442 km (0.066 R)
• M19: 16,962,155 km (0.094 R)
• M20: 17,671,099 km (0.109 R)
• M21: 19,148,228 km (0.047 R)
• M22: 20,440,754 km (0.115 R)
• M23: 21,041,090 km (0.055 R)
• M24: 22,487,402 km (0.11 R)
• M25: 24,817,389 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 12.3

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.64 AU - 5.72 AU

Year: 6988 Days

Day: 8.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 82.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,738,477 km

• M1: 155,432 km (0.109 R)
• M2: 677,978 km (0.082 R)
• M3: 1,154,746 km (0.086 R)
• M4: 1,630,916 km (0.068 R)
• M5: 2,105,440 km (0.11 R)
• M6: 2,749,609 km (0.038 R)
• M7: 3,383,904 km (0.063 R)
• M8: 5,278,561 km (0.09 R)
• M9: 6,797,278 km (0.094 R)
• M10: 8,504,041 km (0.11 R)
• M11: 10,530,045 km (0.118 R)
• M12: 11,083,108 km (0.043 R)
• M13: 11,497,494 km (0.087 R)
• M14: 14,694,700 km (0.106 R)
• M15: 15,132,273 km (0.11 R)
• M16: 15,967,778 km (0.062 R)
• M17: 19,545,560 km (0.094 R)
• M18: 21,242,150 km (0.054 R)
• M19: 22,371,614 km (0.11 R)
• M20: 23,456,049 km (0.058 R)
• M21: 25,819,695 km (0.07 R)
• M22: 26,457,431 km (0.078 R)
• M23: 27,954,905 km (0.118 R)
• M24: 29,706,248 km (0.088 R)
• M25: 33,749,878 km (0.112 R)
• M26: 34,293,517 km (0.083 R)
• M27: 37,215,014 km (0.052 R)
• M28: 39,934,553 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 14.8

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.25 AU - 5.27 AU

Year: 7168 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,738,477 km

• M1: 184,305 km (0.049 R)
• M2: 854,054 km (0.089 R)
• M3: 1,602,492 km (0.036 R)
• M4: 2,489,458 km (0.055 R)
• M5: 3,344,111 km (0.06 R)
• M6: 4,414,035 km (0.053 R)
• M7: 5,701,773 km (0.104 R)
• M8: 8,414,431 km (0.102 R)
• M9: 9,364,827 km (0.096 R)
• M10: 10,385,832 km (0.045 R)
• M11: 14,014,029 km (0.099 R)
• M12: 17,441,616 km (0.069 R)
• M13: 18,914,108 km (0.031 R)
• M14: 19,643,846 km (0.102 R)
• M15: 22,185,663 km (0.075 R)
• M16: 22,833,572 km (0.047 R)
• M17: 24,594,339 km (0.091 R)
• M18: 25,817,601 km (0.11 R)
• M19: 26,534,623 km (0.064 R)
• M20: 27,172,808 km (0.069 R)
• M21: 34,669,007 km (0.079 R)
• M22: 36,094,974 km (0.11 R)
• M23: 39,653,010 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.5

Radius: 6.7

Gravity: 20.26 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.77 AU - 6.81 AU

Year: 12213 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,738,477 km

• M1: 83,326 km (0.11 R)
• M2: 334,202 km (0.106 R)
• M3: 758,910 km (0.104 R)
• M4: 1,347,129 km (0.087 R)
• M5: 1,856,809 km (0.051 R)
• M6: 4,504,990 km (0.116 R)
• M7: 5,065,384 km (0.114 R)
• M8: 5,820,404 km (0.034 R)
• M9: 6,772,595 km (0.091 R)
• M10: 9,975,485 km (0.032 R)
• M11: 12,554,553 km (0.112 R)
• M12: 12,937,673 km (0.083 R)
• M13: 15,257,188 km (0.076 R)
• M14: 19,915,965 km (0.116 R)
• M15: 20,789,466 km (0.071 R)
• M16: 35,710,807 km (0.034 R)
• M17: 38,050,518 km (0.088 R)
• M18: 50,329,062 km (0.06 R)
• M19: 51,133,450 km (0.106 R)
• M20: 59,296,108 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.4

Radius: 5

Gravity: 31.14 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.92 AU - 7.46 AU

Year: 13308 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,738,477 km

• M1: 81,232 km (0.109 R)
• M2: 287,378 km (0.076 R)
• M3: 575,353 km (0.088 R)
• M4: 826,827 km (0.088 R)
• M5: 2,930,024 km (0.076 R)
• M6: 8,860,233 km (0.064 R)
• M7: 9,741,065 km (0.092 R)
• M8: 10,230,400 km (0.118 R)
• M9: 11,023,867 km (0.087 R)
• M10: 11,615,227 km (0.102 R)
• M11: 12,541,537 km (0.09 R)
• M12: 16,818,241 km (0.061 R)
• M13: 18,244,657 km (0.054 R)
• M14: 18,987,261 km (0.11 R)
• M15: 25,873,700 km (0.101 R)
• M16: 30,095,501 km (0.102 R)
• M17: 37,057,786 km (0.07 R)
• M18: 45,919,814 km (0.104 R)
• M19: 46,830,865 km (0.072 R)
• M20: 47,909,017 km (0.085 R)
• M21: 54,557,446 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323

Radius: 5.1

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.46 AU - 10.66 AU

Year: 17287 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,738,477 km

• M1: 63,429 km (0.12 R)
• M2: 259,403 km (0.025 R)
• M3: 473,776 km (0.103 R)
• M4: 974,481 km (0.083 R)
• M5: 1,923,081 km (0.056 R)
• M6: 2,804,362 km (0.116 R)
• M7: 3,126,446 km (0.084 R)
• M8: 3,296,539 km (0.107 R)
• M9: 4,573,656 km (0.061 R)
• M10: 5,020,056 km (0.105 R)
• M11: 6,534,136 km (0.118 R)
• M12: 6,894,367 km (0.116 R)
• M13: 7,567,109 km (0.087 R)
• M14: 7,919,412 km (0.047 R)
• M15: 8,099,678 km (0.104 R)
• M16: 8,656,930 km (0.079 R)
• M17: 10,644,786 km (0.051 R)
• M18: 12,306,669 km (0.107 R)
• M19: 12,609,754 km (0.1 R)
• M20: 18,711,702 km (0.051 R)
• M21: 21,463,106 km (0.119 R)
• M22: 22,617,104 km (0.05 R)
• M23: 23,163,435 km (0.068 R)
• M24: 28,377,818 km (0.112 R)
• M25: 32,794,546 km (0.118 R)
• M26: 34,923,324 km (0.101 R)
• M27: 36,392,674 km (0.1 R)
• M28: 37,775,258 km (0.074 R)
• M29: 42,407,107 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: 265 - 10,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit