🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.8

Radius: 9.3

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.57 AU - 0.91 AU

Year: 418 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,399,085 km

• M1: 123,418 km (0.058 R)
• M2: 413,339 km (0.11 R)
• M3: 747,690 km (0.101 R)
• M4: 1,162,525 km (0.103 R)
• M5: 1,455,138 km (0.085 R)
• M6: 1,789,789 km (0.11 R)
• M7: 2,418,698 km (0.082 R)
• M8: 3,246,872 km (0.063 R)
• M9: 4,531,020 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 8

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.01 AU - 1.31 AU

Year: 820 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,399,085 km

• M1: 99,931 km (0.101 R)
• M2: 403,615 km (0.119 R)
• M3: 1,043,595 km (0.105 R)
• M4: 2,832,187 km (0.07 R)
• M5: 4,959,469 km (0.091 R)
• M6: 5,412,451 km (0.074 R)
• M7: 5,996,331 km (0.078 R)
• M8: 7,124,150 km (0.1 R)
• M9: 7,850,148 km (0.119 R)
• M10: 8,651,394 km (0.105 R)
• M11: 9,058,151 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 10.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.14 AU - 1.42 AU

Year: 950 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,399,085 km

• M1: 135,536 km (0.099 R)
• M2: 788,830 km (0.115 R)
• M3: 1,140,085 km (0.074 R)
• M4: 1,499,419 km (0.096 R)
• M5: 2,299,618 km (0.105 R)
• M6: 2,767,411 km (0.091 R)
• M7: 3,498,645 km (0.06 R)
• M8: 3,895,678 km (0.036 R)
• M9: 4,515,163 km (0.06 R)
• M10: 5,057,006 km (0.077 R)
• M11: 5,491,588 km (0.119 R)
• M12: 5,892,211 km (0.103 R)
• M13: 6,373,916 km (0.1 R)
• M14: 7,079,121 km (0.049 R)
• M15: 7,485,279 km (0.053 R)
• M16: 7,906,846 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 14.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.2 AU - 1.66 AU

Year: 1122 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,399,085 km

• M1: 177,872 km (0.118 R)
• M2: 643,720 km (0.096 R)
• M3: 1,119,142 km (0.069 R)
• M4: 1,746,106 km (0.119 R)
• M5: 2,198,341 km (0.081 R)
• M6: 2,753,498 km (0.09 R)
• M7: 3,334,237 km (0.108 R)
• M8: 3,860,074 km (0.089 R)
• M9: 4,474,472 km (0.101 R)
• M10: 4,973,082 km (0.063 R)
• M11: 5,702,372 km (0.032 R)
• M12: 7,780,286 km (0.091 R)
• M13: 8,479,357 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 12.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.5 AU - 1.62 AU

Year: 1278 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,399,085 km

• M1: 157,975 km (0.069 R)
• M2: 665,711 km (0.084 R)
• M3: 1,091,466 km (0.044 R)
• M4: 1,935,796 km (0.119 R)
• M5: 2,425,281 km (0.098 R)
• M6: 2,983,430 km (0.071 R)
• M7: 4,099,580 km (0.093 R)
• M8: 5,111,460 km (0.084 R)
• M9: 5,518,366 km (0.097 R)
• M10: 6,799,074 km (0.091 R)
• M11: 7,652,380 km (0.095 R)
• M12: 11,481,936 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.8

Radius: 14.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.25 AU - 3.15 AU

Year: 2910 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,399,085 km

• M1: 180,565 km (0.108 R)
• M2: 681,867 km (0.088 R)
• M3: 1,191,248 km (0.088 R)
• M4: 1,963,921 km (0.081 R)
• M5: 2,872,578 km (0.058 R)
• M6: 3,406,194 km (0.071 R)
• M7: 4,698,570 km (0.111 R)
• M8: 7,329,398 km (0.034 R)
• M9: 8,889,554 km (0.114 R)
• M10: 9,542,549 km (0.08 R)
• M11: 10,822,808 km (0.116 R)
• M12: 11,315,882 km (0.084 R)
• M13: 11,909,935 km (0.079 R)
• M14: 14,845,793 km (0.062 R)
• M15: 15,301,469 km (0.111 R)
• M16: 15,870,988 km (0.072 R)
• M17: 17,496,668 km (0.12 R)
• M18: 18,177,188 km (0.039 R)
• M19: 18,993,245 km (0.098 R)
• M20: 19,833,686 km (0.119 R)
• M21: 21,653,544 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627

Radius: 10.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.18 AU - 4.18 AU

Year: 4631 Days

Day: 6.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,399,085 km

• M1: 133,142 km (0.118 R)
• M2: 561,142 km (0.074 R)
• M3: 1,024,596 km (0.102 R)
• M4: 1,362,986 km (0.033 R)
• M5: 2,415,108 km (0.059 R)
• M6: 3,237,747 km (0.093 R)
• M7: 3,767,622 km (0.082 R)
• M8: 4,190,984 km (0.078 R)
• M9: 4,898,433 km (0.066 R)
• M10: 6,519,326 km (0.116 R)
• M11: 8,286,376 km (0.12 R)
• M12: 8,659,772 km (0.109 R)
• M13: 11,459,197 km (0.12 R)
• M14: 12,160,063 km (0.111 R)
• M15: 13,802,498 km (0.112 R)
• M16: 16,683,304 km (0.115 R)
• M17: 17,099,485 km (0.105 R)
• M18: 17,583,584 km (0.09 R)
• M19: 18,770,194 km (0.112 R)
• M20: 22,577,759 km (0.058 R)
• M21: 24,432,923 km (0.112 R)
• M22: 25,280,544 km (0.05 R)
• M23: 26,871,667 km (0.084 R)
• M24: 27,857,816 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 8.5

Gravity: 13.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.94 AU - 4.44 AU

Year: 4650 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,399,085 km

• M1: 105,915 km (0.117 R)
• M2: 402,269 km (0.104 R)
• M3: 786,286 km (0.06 R)
• M4: 1,068,877 km (0.068 R)
• M5: 1,364,183 km (0.083 R)
• M6: 2,946,180 km (0.064 R)
• M7: 3,263,029 km (0.076 R)
• M8: 3,758,497 km (0.054 R)
• M9: 4,180,363 km (0.11 R)
• M10: 6,004,111 km (0.12 R)
• M11: 7,337,476 km (0.109 R)
• M12: 7,626,200 km (0.12 R)
• M13: 8,303,879 km (0.045 R)
• M14: 8,737,264 km (0.11 R)
• M15: 11,662,351 km (0.12 R)
• M16: 13,398,284 km (0.104 R)
• M17: 14,160,785 km (0.065 R)
• M18: 15,593,932 km (0.088 R)
• M19: 17,121,327 km (0.091 R)
• M20: 17,694,885 km (0.037 R)
• M21: 18,880,298 km (0.103 R)
• M22: 19,907,886 km (0.03 R)
• M23: 20,972,275 km (0.078 R)
• M24: 22,299,059 km (0.049 R)
• M25: 24,956,515 km (0.107 R)
• M26: 26,277,165 km (0.053 R)
• M27: 26,784,302 km (0.041 R)
• M28: 28,433,170 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.3

Radius: 14.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.28 AU - 5.66 AU

Year: 7268 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,399,085 km

• M1: 182,809 km (0.106 R)
• M2: 793,916 km (0.089 R)
• M3: 1,470,996 km (0.078 R)
• M4: 1,944,772 km (0.082 R)
• M5: 2,522,370 km (0.104 R)
• M6: 3,678,462 km (0.026 R)
• M7: 4,187,992 km (0.081 R)
• M8: 5,194,786 km (0.059 R)
• M9: 8,483,246 km (0.088 R)
• M10: 9,150,004 km (0.063 R)
• M11: 10,689,665 km (0.111 R)
• M12: 13,139,031 km (0.094 R)
• M13: 13,971,992 km (0.107 R)
• M14: 16,752,568 km (0.108 R)
• M15: 18,676,247 km (0.045 R)
• M16: 20,585,415 km (0.1 R)
• M17: 22,789,889 km (0.103 R)
• M18: 24,521,634 km (0.103 R)
• M19: 26,901,886 km (0.061 R)
• M20: 29,332,402 km (0.115 R)
• M21: 29,835,650 km (0.056 R)
• M22: 32,760,587 km (0.079 R)
• M23: 33,520,694 km (0.117 R)
• M24: 34,738,870 km (0.107 R)
• M25: 38,811,672 km (0.067 R)
• M26: 41,402,557 km (0.064 R)
• M27: 43,713,545 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.9

Radius: 4.1

Gravity: 57.82 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.48 AU - 7.08 AU

Year: 11581 Days

Day: 17.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 134.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,399,085 km

• M1: 54,753 km (0.093 R)
• M2: 247,285 km (0.072 R)
• M3: 945,309 km (0.052 R)
• M4: 1,367,773 km (0.066 R)
• M5: 1,768,247 km (0.113 R)
• M6: 1,977,534 km (0.119 R)
• M7: 2,222,725 km (0.112 R)
• M8: 3,081,567 km (0.088 R)
• M9: 3,598,577 km (0.107 R)
• M10: 3,736,506 km (0.116 R)
• M11: 4,542,839 km (0.107 R)
• M12: 4,769,629 km (0.067 R)
• M13: 5,003,750 km (0.096 R)
• M14: 5,175,787 km (0.094 R)
• M15: 5,387,319 km (0.103 R)
• M16: 6,371,373 km (0.104 R)
• M17: 9,552,871 km (0.096 R)
• M18: 9,978,926 km (0.062 R)
• M19: 11,451,717 km (0.101 R)
• M20: 12,239,799 km (0.099 R)
• M21: 12,742,447 km (0.084 R)
• M22: 14,195,342 km (0.083 R)
• M23: 16,804,927 km (0.08 R)
• M24: 18,877,007 km (0.105 R)
• M25: 28,431,973 km (0.113 R)
• M26: 32,773,602 km (0.092 R)
• M27: 34,976,132 km (0.079 R)
• M28: 41,608,105 km (0.105 R)
• M29: 43,027,938 km (0.071 R)
• M30: 48,562,162 km (0.068 R)
• M31: 48,717,893 km (0.087 R)
• M32: 53,217,498 km (0.109 R)
• M33: 55,567,680 km (0.07 R)
• M34: 56,423,530 km (0.104 R)
• M35: 56,768,353 km (0.049 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 14,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit