🌌 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: 13.6

Radius: 13.9

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.69 AU - 0.71 AU

Year: 397 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 51,652,560 km

• M1: 173,534 km (0.104 R)
• M2: 635,791 km (0.09 R)
• M3: 1,187,957 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 14.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.6 AU - 0.82 AU

Year: 406 Days

Day: 9.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,652,560 km

• M1: 181,612 km (0.091 R)
• M2: 660,624 km (0.085 R)
• M3: 1,323,941 km (0.072 R)
• M4: 1,811,181 km (0.087 R)
• M5: 3,015,893 km (0.093 R)
• M6: 3,582,570 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.5

Radius: 9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.58 AU - 0.9 AU

Year: 432 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,652,560 km

• M1: 111,899 km (0.033 R)
• M2: 394,639 km (0.079 R)
• M3: 818,450 km (0.068 R)
• M4: 1,179,280 km (0.113 R)
• M5: 1,529,339 km (0.117 R)
• M6: 2,623,348 km (0.081 R)
• M7: 2,909,978 km (0.051 R)
• M8: 3,270,957 km (0.075 R)
• M9: 3,603,962 km (0.063 R)
• M10: 4,095,840 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 11.8

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.39 AU - 1.73 AU

Year: 1322 Days

Day: 14 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,652,560 km

• M1: 149,448 km (0.066 R)
• M2: 572,361 km (0.116 R)
• M3: 958,174 km (0.083 R)
• M4: 1,641,238 km (0.078 R)
• M5: 2,131,470 km (0.104 R)
• M6: 2,784,465 km (0.112 R)
• M7: 3,743,238 km (0.103 R)
• M8: 4,308,419 km (0.049 R)
• M9: 4,754,520 km (0.107 R)
• M10: 5,211,092 km (0.08 R)
• M11: 5,674,995 km (0.096 R)
• M12: 6,493,894 km (0.116 R)
• M13: 7,976,858 km (0.027 R)
• M14: 9,153,894 km (0.093 R)
• M15: 9,958,281 km (0.057 R)
• M16: 11,460,992 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 13.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.79 AU - 2.39 AU

Year: 2049 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,652,560 km

• M1: 171,290 km (0.083 R)
• M2: 741,407 km (0.113 R)
• M3: 1,652,308 km (0.079 R)
• M4: 2,121,298 km (0.1 R)
• M5: 2,708,469 km (0.1 R)
• M6: 4,004,286 km (0.082 R)
• M7: 5,421,726 km (0.056 R)
• M8: 7,491,562 km (0.079 R)
• M9: 9,425,264 km (0.092 R)
• M10: 11,098,816 km (0.053 R)
• M11: 12,672,735 km (0.032 R)
• M12: 16,455,317 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.9

Radius: 14.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.72 AU - 5.2 AU

Year: 7492 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,652,560 km

• M1: 182,958 km (0.072 R)
• M2: 725,400 km (0.108 R)
• M3: 1,533,977 km (0.056 R)
• M4: 2,234,394 km (0.109 R)
• M5: 3,248,219 km (0.065 R)
• M6: 4,390,698 km (0.05 R)
• M7: 6,346,839 km (0.059 R)
• M8: 7,051,894 km (0.086 R)
• M9: 9,802,251 km (0.118 R)
• M10: 10,552,783 km (0.091 R)
• M11: 13,771,082 km (0.073 R)
• M12: 17,799,155 km (0.086 R)
• M13: 19,786,263 km (0.101 R)
• M14: 20,455,414 km (0.116 R)
• M15: 22,154,697 km (0.086 R)
• M16: 22,714,641 km (0.096 R)
• M17: 23,779,629 km (0.054 R)
• M18: 24,877,528 km (0.081 R)
• M19: 28,656,819 km (0.106 R)
• M20: 30,781,856 km (0.057 R)
• M21: 34,163,666 km (0.029 R)
• M22: 36,997,049 km (0.053 R)
• M23: 38,241,704 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.7

Radius: 9.2

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.4 AU - 6.76 AU

Year: 8940 Days

Day: 5.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,652,560 km

• M1: 114,592 km (0.091 R)
• M2: 454,030 km (0.099 R)
• M3: 1,003,203 km (0.104 R)
• M4: 1,589,926 km (0.117 R)
• M5: 2,001,021 km (0.081 R)
• M6: 2,933,614 km (0.027 R)
• M7: 5,404,373 km (0.119 R)
• M8: 7,301,722 km (0.112 R)
• M9: 8,063,924 km (0.117 R)
• M10: 8,658,874 km (0.041 R)
• M11: 9,282,847 km (0.037 R)
• M12: 11,919,061 km (0.062 R)
• M13: 12,578,787 km (0.114 R)
• M14: 13,672,797 km (0.064 R)
• M15: 14,152,108 km (0.089 R)
• M16: 15,399,156 km (0.066 R)
• M17: 15,917,961 km (0.106 R)
• M18: 16,248,124 km (0.065 R)
• M19: 17,059,094 km (0.095 R)
• M20: 20,888,201 km (0.09 R)
• M21: 21,846,824 km (0.109 R)
• M22: 24,987,332 km (0.08 R)
• M23: 25,433,732 km (0.118 R)
• M24: 25,885,219 km (0.098 R)
• M25: 31,418,246 km (0.111 R)
• M26: 33,317,091 km (0.062 R)
• M27: 33,640,821 km (0.087 R)
• M28: 35,966,170 km (0.057 R)
• M29: 38,633,650 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.6

Radius: 4.3

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.02 AU - 6.74 AU

Year: 9671 Days

Day: 21.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 105.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,652,560 km

• M1: 53,406 km (0.115 R)
• M2: 217,665 km (0.119 R)
• M3: 383,419 km (0.116 R)
• M4: 662,270 km (0.064 R)
• M5: 1,036,115 km (0.082 R)
• M6: 1,655,899 km (0.078 R)
• M7: 2,963,683 km (0.041 R)
• M8: 3,294,444 km (0.074 R)
• M9: 4,331,008 km (0.084 R)
• M10: 4,702,011 km (0.082 R)
• M11: 4,951,540 km (0.077 R)
• M12: 5,537,515 km (0.118 R)
• M13: 6,070,981 km (0.059 R)
• M14: 6,951,963 km (0.054 R)
• M15: 7,534,497 km (0.116 R)
• M16: 8,388,102 km (0.111 R)
• M17: 9,132,800 km (0.104 R)
• M18: 9,786,244 km (0.117 R)
• M19: 10,331,079 km (0.108 R)
• M20: 10,895,811 km (0.105 R)
• M21: 11,283,569 km (0.081 R)
• M22: 17,064,928 km (0.099 R)
• M23: 17,325,079 km (0.052 R)
• M24: 18,802,657 km (0.073 R)
• M25: 19,149,874 km (0.109 R)
• M26: 19,430,819 km (0.101 R)
• M27: 19,857,173 km (0.034 R)
• M28: 20,581,525 km (0.111 R)
• M29: 22,237,125 km (0.116 R)
• M30: 24,223,785 km (0.09 R)
• M31: 24,552,302 km (0.097 R)
• M32: 33,354,940 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.3

Radius: 4.8

Gravity: 40.68 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.14 AU - 8 AU

Year: 12750 Days

Day: 20.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,652,560 km

• M1: 65,823 km (0.106 R)
• M2: 502,200 km (0.114 R)
• M3: 1,001,707 km (0.066 R)
• M4: 1,940,135 km (0.115 R)
• M5: 2,903,994 km (0.092 R)
• M6: 3,124,501 km (0.108 R)
• M7: 4,151,191 km (0.112 R)
• M8: 4,858,490 km (0.092 R)
• M9: 5,642,981 km (0.107 R)
• M10: 6,264,112 km (0.045 R)
• M11: 12,383,113 km (0.096 R)
• M12: 13,360,735 km (0.083 R)
• M13: 13,562,244 km (0.065 R)
• M14: 17,545,885 km (0.058 R)
• M15: 19,976,701 km (0.113 R)
• M16: 29,383,864 km (0.076 R)
• M17: 33,775,609 km (0.088 R)
• M18: 41,366,055 km (0.12 R)
• M19: 58,356,633 km (0.098 R)
• M20: 62,197,110 km (0.071 R)
• M21: 62,571,404 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.4

Radius: 4.1

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.21 AU - 10.37 AU

Year: 19205 Days

Day: 16.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,652,560 km

• M1: 114,143 km (0.085 R)
• M2: 356,941 km (0.099 R)
• M3: 828,623 km (0.056 R)
• M4: 1,444,218 km (0.098 R)
• M5: 1,806,095 km (0.113 R)
• M6: 2,282,415 km (0.067 R)
• M7: 3,018,735 km (0.071 R)
• M8: 3,428,334 km (0.073 R)
• M9: 5,937,839 km (0.11 R)
• M10: 8,730,233 km (0.085 R)
• M11: 9,457,129 km (0.075 R)
• M12: 12,171,432 km (0.037 R)
• M13: 19,796,735 km (0.045 R)
• M14: 31,406,427 km (0.115 R)
• M15: 33,913,688 km (0.077 R)
• M16: 36,921,203 km (0.105 R)
• M17: 50,576,497 km (0.114 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: 207 - 15,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit