🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 9.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.74 AU - 0.88 AU

Year: 478 Days

Day: 11.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,634,851 km

• M1: 114,442 km (0.041 R)
• M2: 445,652 km (0.101 R)
• M3: 793,467 km (0.074 R)
• M4: 1,181,674 km (0.061 R)
• M5: 1,495,829 km (0.074 R)
• M6: 1,782,907 km (0.064 R)
• M7: 2,315,476 km (0.085 R)
• M8: 2,693,659 km (0.12 R)
• M9: 3,315,538 km (0.076 R)
• M10: 3,636,126 km (0.101 R)
• M11: 4,340,283 km (0.068 R)
• M12: 4,739,859 km (0.11 R)
• M13: 5,132,703 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.7

Radius: 11.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.77 AU - 1.05 AU

Year: 569 Days

Day: 10.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 94,634,851 km

• M1: 139,276 km (0.072 R)
• M2: 508,034 km (0.112 R)
• M3: 874,549 km (0.092 R)
• M4: 1,373,907 km (0.112 R)
• M5: 1,955,095 km (0.053 R)
• M6: 2,367,087 km (0.065 R)
• M7: 2,837,124 km (0.11 R)
• M8: 3,599,923 km (0.116 R)
• M9: 4,239,454 km (0.083 R)
• M10: 4,986,097 km (0.117 R)
• M11: 5,548,735 km (0.094 R)
• M12: 6,021,464 km (0.072 R)
• M13: 6,501,374 km (0.098 R)
• M14: 6,944,632 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 8.7

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.89 AU - 1.13 AU

Year: 666 Days

Day: 7.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,634,851 km

• M1: 108,159 km (0.034 R)
• M2: 430,692 km (0.077 R)
• M3: 750,682 km (0.059 R)
• M4: 1,038,508 km (0.111 R)
• M5: 1,364,931 km (0.076 R)
• M6: 1,920,537 km (0.107 R)
• M7: 2,496,040 km (0.045 R)
• M8: 3,028,011 km (0.03 R)
• M9: 6,266,206 km (0.098 R)
• M10: 7,386,694 km (0.087 R)
• M11: 8,405,456 km (0.105 R)
• M12: 8,843,329 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 12.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.9 AU - 1.42 AU

Year: 820 Days

Day: 7.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 94,634,851 km

• M1: 155,582 km (0.089 R)
• M2: 666,159 km (0.053 R)
• M3: 1,178,083 km (0.095 R)
• M4: 2,262,817 km (0.086 R)
• M5: 5,099,791 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 8.5

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.01 AU - 2.13 AU

Year: 1954 Days

Day: 6.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,634,851 km

• M1: 107,262 km (0.088 R)
• M2: 426,204 km (0.077 R)
• M3: 762,201 km (0.084 R)
• M4: 1,396,795 km (0.069 R)
• M5: 1,860,848 km (0.103 R)
• M6: 2,220,930 km (0.075 R)
• M7: 2,990,461 km (0.118 R)
• M8: 4,304,978 km (0.067 R)
• M9: 5,633,856 km (0.093 R)
• M10: 8,852,304 km (0.103 R)
• M11: 9,503,953 km (0.09 R)
• M12: 10,648,676 km (0.106 R)
• M13: 11,272,948 km (0.116 R)
• M14: 13,801,152 km (0.037 R)
• M15: 14,766,507 km (0.098 R)
• M16: 15,265,715 km (0.052 R)
• M17: 15,635,820 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.2

Radius: 15

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.35 AU - 2.47 AU

Year: 2454 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 94,634,851 km

• M1: 205,248 km (0.106 R)
• M2: 782,546 km (0.099 R)
• M3: 1,380,040 km (0.076 R)
• M4: 2,004,163 km (0.057 R)
• M5: 2,503,520 km (0.079 R)
• M6: 3,647,645 km (0.106 R)
• M7: 4,133,090 km (0.117 R)
• M8: 4,931,793 km (0.11 R)
• M9: 5,503,556 km (0.094 R)
• M10: 6,444,377 km (0.113 R)
• M11: 7,800,183 km (0.118 R)
• M12: 8,579,288 km (0.056 R)
• M13: 9,445,610 km (0.067 R)
• M14: 10,873,671 km (0.116 R)
• M15: 12,099,326 km (0.087 R)
• M16: 14,776,380 km (0.067 R)
• M17: 15,266,463 km (0.103 R)
• M18: 17,336,598 km (0.04 R)
• M19: 18,608,479 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 11.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.7 AU - 3.68 AU

Year: 3738 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,634,851 km

• M1: 139,276 km (0.038 R)
• M2: 577,597 km (0.094 R)
• M3: 1,794,875 km (0.11 R)
• M4: 2,158,996 km (0.116 R)
• M5: 3,543,076 km (0.026 R)
• M6: 6,939,845 km (0.108 R)
• M7: 8,243,890 km (0.062 R)
• M8: 9,745,553 km (0.093 R)
• M9: 10,326,741 km (0.107 R)
• M10: 11,019,080 km (0.106 R)
• M11: 14,207,011 km (0.113 R)
• M12: 16,182,450 km (0.084 R)
• M13: 17,902,078 km (0.051 R)
• M14: 19,350,185 km (0.072 R)
• M15: 20,335,736 km (0.111 R)
• M16: 26,403,127 km (0.109 R)
• M17: 27,207,066 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.7

Radius: 9.1

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.04 AU - 3.66 AU

Year: 4022 Days

Day: 14.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,634,851 km

• M1: 113,246 km (0.076 R)
• M2: 423,960 km (0.025 R)
• M3: 788,381 km (0.086 R)
• M4: 1,128,267 km (0.109 R)
• M5: 1,631,514 km (0.116 R)
• M6: 2,237,087 km (0.109 R)
• M7: 2,524,314 km (0.113 R)
• M8: 4,117,831 km (0.09 R)
• M9: 4,463,402 km (0.107 R)
• M10: 5,828,483 km (0.04 R)
• M11: 6,782,319 km (0.113 R)
• M12: 7,804,371 km (0.073 R)
• M13: 8,369,253 km (0.088 R)
• M14: 8,714,226 km (0.081 R)
• M15: 9,806,290 km (0.081 R)
• M16: 10,543,658 km (0.112 R)
• M17: 12,172,480 km (0.081 R)
• M18: 13,208,146 km (0.114 R)
• M19: 16,185,293 km (0.045 R)
• M20: 21,383,520 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.9

Radius: 6.7

Gravity: 21.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.26 AU - 11.54 AU

Year: 23607 Days

Day: 16.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,634,851 km

• M1: 83,326 km (0.096 R)
• M2: 359,783 km (0.109 R)
• M3: 1,440,029 km (0.099 R)
• M4: 1,903,334 km (0.046 R)
• M5: 2,687,675 km (0.112 R)
• M6: 4,911,597 km (0.054 R)
• M7: 5,353,958 km (0.097 R)
• M8: 7,812,599 km (0.053 R)
• M9: 8,471,578 km (0.072 R)
• M10: 11,760,936 km (0.109 R)
• M11: 12,478,706 km (0.089 R)
• M12: 13,454,832 km (0.09 R)
• M13: 16,334,741 km (0.05 R)
• M14: 16,866,562 km (0.076 R)
• M15: 18,627,029 km (0.115 R)
• M16: 27,888,933 km (0.058 R)
• M17: 28,266,966 km (0.074 R)
• M18: 30,208,597 km (0.117 R)
• M19: 35,669,368 km (0.099 R)
• M20: 41,099,621 km (0.053 R)
• M21: 42,913,795 km (0.044 R)
• M22: 45,472,666 km (0.088 R)
• M23: 46,700,865 km (0.1 R)
• M24: 48,493,646 km (0.09 R)
• M25: 50,705,001 km (0.116 R)
• M26: 52,025,502 km (0.07 R)
• M27: 53,368,741 km (0.109 R)
• M28: 59,596,201 km (0.091 R)
• M29: 60,223,316 km (0.077 R)
• M30: 60,433,351 km (0.029 R)
• M31: 62,131,287 km (0.103 R)
• M32: 63,208,541 km (0.071 R)
• M33: 67,415,532 km (0.096 R)
• M34: 68,096,352 km (0.09 R)
• M35: 74,674,021 km (0.07 R)
• M36: 87,181,151 km (0.067 R)
• M37: 89,894,258 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 15,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit