🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.5

Radius: 8.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 90,606,458 km

• M1: 142,866 km (0.099 R)
• M2: 422,315 km (0.107 R)
• M3: 758,012 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.2

Radius: 12.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.26 AU - 1.26 AU

Year: 976 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,606,458 km

• M1: 154,235 km (0.098 R)
• M2: 550,670 km (0.12 R)
• M3: 1,028,336 km (0.071 R)
• M4: 1,420,133 km (0.075 R)
• M5: 1,951,953 km (0.101 R)
• M6: 3,110,738 km (0.102 R)
• M7: 3,803,675 km (0.046 R)
• M8: 4,376,336 km (0.114 R)
• M9: 4,789,675 km (0.114 R)
• M10: 5,615,904 km (0.045 R)
• M11: 6,021,763 km (0.039 R)
• M12: 6,469,061 km (0.095 R)
• M13: 7,311,596 km (0.105 R)
• M14: 7,771,909 km (0.1 R)
• M15: 8,251,519 km (0.026 R)
• M16: 8,939,969 km (0.105 R)
• M17: 9,467,002 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 12.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.12 AU - 1.66 AU

Year: 1131 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,606,458 km

• M1: 151,692 km (0.103 R)
• M2: 558,449 km (0.083 R)
• M3: 1,701,676 km (0.108 R)
• M4: 2,187,420 km (0.062 R)
• M5: 2,654,165 km (0.117 R)
• M6: 3,546,666 km (0.092 R)
• M7: 3,981,697 km (0.116 R)
• M8: 4,756,165 km (0.118 R)
• M9: 5,267,491 km (0.074 R)
• M10: 6,490,902 km (0.104 R)
• M11: 7,291,400 km (0.086 R)
• M12: 7,792,254 km (0.115 R)
• M13: 8,641,671 km (0.062 R)
• M14: 9,699,477 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.9

Radius: 10.7

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.27 AU - 4.37 AU

Year: 5154 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,606,458 km

• M1: 133,142 km (0.036 R)
• M2: 519,254 km (0.034 R)
• M3: 856,597 km (0.097 R)
• M4: 1,194,838 km (0.117 R)
• M5: 1,687,015 km (0.066 R)
• M6: 2,187,719 km (0.049 R)
• M7: 2,803,763 km (0.042 R)
• M8: 3,468,726 km (0.073 R)
• M9: 3,976,012 km (0.111 R)
• M10: 4,685,705 km (0.086 R)
• M11: 5,800,807 km (0.12 R)
• M12: 6,261,868 km (0.039 R)
• M13: 7,977,755 km (0.098 R)
• M14: 9,228,693 km (0.099 R)
• M15: 9,987,453 km (0.119 R)
• M16: 10,471,253 km (0.088 R)
• M17: 11,391,130 km (0.032 R)
• M18: 12,214,517 km (0.042 R)
• M19: 13,025,337 km (0.119 R)
• M20: 13,817,757 km (0.112 R)
• M21: 15,209,316 km (0.119 R)
• M22: 15,673,668 km (0.085 R)
• M23: 16,087,905 km (0.064 R)
• M24: 19,261,773 km (0.039 R)
• M25: 20,782,286 km (0.055 R)
• M26: 21,499,159 km (0.082 R)
• M27: 28,976,808 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.4

Radius: 6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.59 AU - 7.61 AU

Year: 10399 Days

Day: 16.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,606,458 km

• M1: 97,538 km (0.088 R)
• M2: 544,237 km (0.102 R)
• M3: 882,777 km (0.067 R)
• M4: 1,938,489 km (0.096 R)
• M5: 2,126,683 km (0.089 R)
• M6: 2,407,479 km (0.11 R)
• M7: 2,660,299 km (0.106 R)
• M8: 3,179,703 km (0.092 R)
• M9: 5,394,948 km (0.103 R)
• M10: 6,193,202 km (0.101 R)
• M11: 6,444,227 km (0.103 R)
• M12: 8,433,730 km (0.099 R)
• M13: 12,256,105 km (0.115 R)
• M14: 13,891,957 km (0.083 R)
• M15: 18,413,852 km (0.088 R)
• M16: 19,731,211 km (0.118 R)
• M17: 23,297,176 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.4

Radius: 4.1

Gravity: 49.22 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.4 AU - 7.44 AU

Year: 13951 Days

Day: 18.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,606,458 km

• M1: 51,162 km (0.12 R)
• M2: 184,604 km (0.119 R)
• M3: 615,894 km (0.118 R)
• M4: 1,318,556 km (0.098 R)
• M5: 1,770,491 km (0.11 R)
• M6: 1,966,614 km (0.097 R)
• M7: 2,510,103 km (0.067 R)
• M8: 2,900,254 km (0.081 R)
• M9: 3,173,270 km (0.094 R)
• M10: 3,545,470 km (0.087 R)
• M11: 4,408,200 km (0.087 R)
• M12: 4,871,206 km (0.113 R)
• M13: 5,221,115 km (0.042 R)
• M14: 6,371,972 km (0.114 R)
• M15: 9,803,148 km (0.049 R)
• M16: 10,474,245 km (0.073 R)
• M17: 13,331,115 km (0.091 R)
• M18: 14,648,923 km (0.12 R)
• M19: 15,673,967 km (0.116 R)
• M20: 18,111,665 km (0.116 R)
• M21: 19,377,263 km (0.113 R)
• M22: 20,431,180 km (0.097 R)
• M23: 21,522,646 km (0.088 R)
• M24: 22,941,133 km (0.067 R)
• M25: 23,134,862 km (0.087 R)
• M26: 25,962,561 km (0.077 R)
• M27: 27,677,551 km (0.053 R)
• M28: 29,125,359 km (0.075 R)
• M29: 29,466,592 km (0.108 R)
• M30: 30,389,311 km (0.069 R)
• M31: 34,273,471 km (0.077 R)
• M32: 35,811,187 km (0.107 R)
• M33: 36,597,174 km (0.064 R)
• M34: 45,707,984 km (0.106 R)
• M35: 47,255,574 km (0.085 R)
• M36: 49,641,959 km (0.085 R)
• M37: 49,965,988 km (0.116 R)
• M38: 50,291,663 km (0.118 R)
• M39: 52,946,875 km (0.096 R)
• M40: 59,990,990 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.3

Radius: 6.1

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.02 AU - 9.18 AU

Year: 15913 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,606,458 km

• M1: 76,295 km (0.081 R)
• M2: 270,922 km (0.109 R)
• M3: 475,721 km (0.107 R)
• M4: 907,760 km (0.084 R)
• M5: 1,247,197 km (0.074 R)
• M6: 1,851,274 km (0.11 R)
• M7: 3,223,834 km (0.106 R)
• M8: 3,700,603 km (0.063 R)
• M9: 5,029,032 km (0.097 R)
• M10: 5,857,056 km (0.048 R)
• M11: 8,537,102 km (0.12 R)
• M12: 9,394,297 km (0.06 R)
• M13: 12,371,894 km (0.099 R)
• M14: 16,298,389 km (0.109 R)
• M15: 16,754,662 km (0.097 R)
• M16: 17,219,313 km (0.108 R)
• M17: 18,337,109 km (0.109 R)
• M18: 20,189,878 km (0.104 R)
• M19: 20,627,751 km (0.062 R)
• M20: 22,818,163 km (0.075 R)
• M21: 23,872,080 km (0.073 R)
• M22: 25,564,182 km (0.092 R)
• M23: 26,805,545 km (0.095 R)
• M24: 29,744,844 km (0.108 R)
• M25: 36,382,950 km (0.093 R)
• M26: 36,641,306 km (0.102 R)
• M27: 37,292,655 km (0.097 R)
• M28: 38,887,518 km (0.099 R)
• M29: 41,504,732 km (0.103 R)
• M30: 42,497,913 km (0.043 R)
• M31: 48,948,573 km (0.097 R)
• M32: 49,421,452 km (0.032 R)
• M33: 52,487,909 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.7

Radius: 5.1

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.13 AU - 10.81 AU

Year: 20116 Days

Day: 15.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,606,458 km

• M1: 75,697 km (0.101 R)
• M2: 258,356 km (0.093 R)
• M3: 886,667 km (0.092 R)
• M4: 1,077,553 km (0.056 R)
• M5: 1,965,417 km (0.057 R)
• M6: 2,417,801 km (0.058 R)
• M7: 2,590,586 km (0.104 R)
• M8: 3,287,264 km (0.108 R)
• M9: 3,981,996 km (0.072 R)
• M10: 8,717,517 km (0.076 R)
• M11: 8,920,072 km (0.112 R)
• M12: 10,257,028 km (0.12 R)
• M13: 11,661,304 km (0.108 R)
• M14: 11,907,093 km (0.11 R)
• M15: 14,348,231 km (0.036 R)
• M16: 18,232,240 km (0.102 R)
• M17: 18,814,775 km (0.085 R)
• M18: 20,815,945 km (0.061 R)
• M19: 23,147,428 km (0.039 R)
• M20: 40,455,303 km (0.117 R)
• M21: 44,660,649 km (0.084 R)
• M22: 44,960,892 km (0.095 R)
• M23: 50,274,608 km (0.086 R)
• M24: 57,574,536 km (0.09 R)
• M25: 58,108,750 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.9

Radius: 4.9

Gravity: 38.56 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.76 AU - 10.56 AU

Year: 22354 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,606,458 km

• M1: 61,036 km (0.1 R)
• M2: 213,476 km (0.091 R)
• M3: 742,753 km (0.082 R)
• M4: 911,500 km (0.098 R)
• M5: 1,425,369 km (0.118 R)
• M6: 2,069,986 km (0.086 R)
• M7: 3,197,954 km (0.091 R)
• M8: 3,588,404 km (0.116 R)
• M9: 3,844,067 km (0.077 R)
• M10: 6,721,432 km (0.102 R)
• M11: 7,462,690 km (0.078 R)
• M12: 7,669,284 km (0.113 R)
• M13: 10,012,137 km (0.087 R)
• M14: 10,519,124 km (0.102 R)
• M15: 16,391,887 km (0.075 R)
• M16: 18,846,789 km (0.119 R)
• M17: 21,019,997 km (0.11 R)
• M18: 21,745,098 km (0.107 R)
• M19: 24,812,452 km (0.117 R)
• M20: 25,272,915 km (0.085 R)
• M21: 26,449,053 km (0.1 R)
• M22: 28,156,264 km (0.083 R)
• M23: 28,405,943 km (0.115 R)
• M24: 32,331,391 km (0.112 R)
• M25: 36,603,607 km (0.078 R)
• M26: 43,693,948 km (0.092 R)
• M27: 50,903,667 km (0.106 R)
• M28: 51,833,717 km (0.106 R)
• M29: 52,585,896 km (0.081 R)
• M30: 57,052,290 km (0.053 R)
• M31: 57,452,314 km (0.075 R)
• M32: 62,398,469 km (0.094 R)
• M33: 79,421,210 km (0.083 R)
• M34: 79,670,141 km (0.085 R)
• M35: 81,428,066 km (0.089 R)
• M36: 89,524,303 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 18,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit