🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.5

Radius: 13.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.61 AU - 0.81 AU

Year: 413 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,479,881 km

• M1: 173,085 km (0.11 R)
• M2: 635,941 km (0.046 R)
• M3: 1,247,197 km (0.03 R)
• M4: 2,023,610 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 14.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.54 AU - 1.78 AU

Year: 1476 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,479,881 km

• M1: 189,092 km (0.034 R)
• M2: 707,897 km (0.098 R)
• M3: 1,177,485 km (0.058 R)
• M4: 1,866,981 km (0.091 R)
• M5: 2,442,335 km (0.115 R)
• M6: 2,910,127 km (0.114 R)
• M7: 3,386,597 km (0.062 R)
• M8: 3,858,727 km (0.102 R)
• M9: 5,211,242 km (0.113 R)
• M10: 5,826,239 km (0.088 R)
• M11: 6,289,244 km (0.053 R)
• M12: 7,737,052 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 9.6

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.98 AU - 2.2 AU

Year: 2086 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,479,881 km

• M1: 120,576 km (0.093 R)
• M2: 429,944 km (0.103 R)
• M3: 758,012 km (0.096 R)
• M4: 1,219,671 km (0.068 R)
• M5: 1,531,134 km (0.037 R)
• M6: 2,506,363 km (0.032 R)
• M7: 2,971,911 km (0.032 R)
• M8: 3,274,997 km (0.097 R)
• M9: 4,351,503 km (0.107 R)
• M10: 5,966,262 km (0.116 R)
• M11: 6,530,845 km (0.097 R)
• M12: 6,853,527 km (0.085 R)
• M13: 7,977,007 km (0.115 R)
• M14: 8,694,778 km (0.092 R)
• M15: 10,186,867 km (0.082 R)
• M16: 10,956,398 km (0.11 R)
• M17: 12,528,373 km (0.105 R)
• M18: 13,070,216 km (0.109 R)
• M19: 13,540,851 km (0.113 R)
• M20: 14,974,597 km (0.055 R)
• M21: 15,348,293 km (0.088 R)
• M22: 16,065,764 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.2

Radius: 10.6

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.04 AU - 2.76 AU

Year: 2566 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,479,881 km

• M1: 131,796 km (0.103 R)
• M2: 511,924 km (0.071 R)
• M3: 854,503 km (0.075 R)
• M4: 1,303,446 km (0.063 R)
• M5: 1,825,692 km (0.111 R)
• M6: 2,235,142 km (0.103 R)
• M7: 2,973,407 km (0.069 R)
• M8: 3,311,349 km (0.079 R)
• M9: 3,789,464 km (0.032 R)
• M10: 4,884,520 km (0.119 R)
• M11: 6,479,981 km (0.067 R)
• M12: 7,974,015 km (0.039 R)
• M13: 9,113,353 km (0.113 R)
• M14: 10,473,197 km (0.102 R)
• M15: 11,963,791 km (0.098 R)
• M16: 14,626,034 km (0.106 R)
• M17: 16,120,816 km (0.115 R)
• M18: 16,693,626 km (0.051 R)
• M19: 17,990,640 km (0.109 R)
• M20: 19,411,820 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 13.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.81 AU - 3.91 AU

Year: 5235 Days

Day: 9.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,479,881 km

• M1: 173,683 km (0.118 R)
• M2: 797,656 km (0.045 R)
• M3: 1,363,884 km (0.041 R)
• M4: 2,139,848 km (0.112 R)
• M5: 2,942,141 km (0.067 R)
• M6: 5,489,793 km (0.087 R)
• M7: 6,021,464 km (0.093 R)
• M8: 8,000,644 km (0.102 R)
• M9: 8,538,448 km (0.116 R)
• M10: 10,720,632 km (0.104 R)
• M11: 11,509,462 km (0.114 R)
• M12: 12,336,738 km (0.067 R)
• M13: 16,273,256 km (0.09 R)
• M14: 17,732,883 km (0.106 R)
• M15: 18,217,879 km (0.075 R)
• M16: 18,711,851 km (0.113 R)
• M17: 22,564,595 km (0.074 R)
• M18: 24,902,361 km (0.055 R)
• M19: 25,434,480 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.2

Radius: 5.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.97 AU - 8.27 AU

Year: 11757 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,479,881 km

• M1: 73,303 km (0.039 R)
• M2: 264,190 km (0.055 R)
• M3: 1,588,131 km (0.117 R)
• M4: 2,636,363 km (0.12 R)
• M5: 3,706,586 km (0.118 R)
• M6: 4,806,430 km (0.112 R)
• M7: 5,641,485 km (0.05 R)
• M8: 12,822,632 km (0.1 R)
• M9: 14,307,989 km (0.114 R)
• M10: 15,677,558 km (0.049 R)
• M11: 19,316,825 km (0.086 R)
• M12: 25,459,314 km (0.106 R)
• M13: 26,488,248 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.6

Radius: 6.6

Gravity: 16.52 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.14 AU - 9.32 AU

Year: 16297 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,479,881 km

• M1: 82,129 km (0.062 R)
• M2: 305,030 km (0.064 R)
• M3: 544,387 km (0.101 R)
• M4: 956,828 km (0.108 R)
• M5: 1,561,652 km (0.085 R)
• M6: 1,901,838 km (0.079 R)
• M7: 2,438,744 km (0.081 R)
• M8: 3,174,467 km (0.104 R)
• M9: 3,664,699 km (0.064 R)
• M10: 5,478,124 km (0.101 R)
• M11: 5,862,591 km (0.117 R)
• M12: 6,771,548 km (0.112 R)
• M13: 7,124,299 km (0.096 R)
• M14: 7,866,604 km (0.112 R)
• M15: 8,157,871 km (0.061 R)
• M16: 8,557,447 km (0.043 R)
• M17: 13,437,330 km (0.08 R)
• M18: 15,305,059 km (0.094 R)
• M19: 15,759,388 km (0.099 R)
• M20: 16,379,172 km (0.12 R)
• M21: 17,749,937 km (0.036 R)
• M22: 18,935,051 km (0.037 R)
• M23: 20,352,790 km (0.104 R)
• M24: 21,744,948 km (0.093 R)
• M25: 28,629,442 km (0.053 R)
• M26: 31,576,371 km (0.053 R)
• M27: 31,943,035 km (0.096 R)
• M28: 36,701,893 km (0.098 R)
• M29: 39,602,596 km (0.067 R)
• M30: 40,458,595 km (0.086 R)
• M31: 43,854,317 km (0.031 R)
• M32: 46,799,151 km (0.071 R)
• M33: 49,378,966 km (0.029 R)
• M34: 53,251,456 km (0.084 R)
• M35: 57,503,028 km (0.082 R)
• M36: 60,836,368 km (0.071 R)
• M37: 61,404,241 km (0.109 R)
• M38: 63,322,385 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 13,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit