🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 10.6

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.07 AU - 1.23 AU

Year: 784 Days

Day: 14 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,529,681 km

• M1: 177,573 km (0.074 R)
• M2: 686,355 km (0.059 R)
• M3: 1,665,174 km (0.099 R)
• M4: 2,120,101 km (0.109 R)
• M5: 3,037,435 km (0.105 R)
• M6: 3,479,198 km (0.103 R)
• M7: 3,895,529 km (0.047 R)
• M8: 5,780,312 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 8.5

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.11 AU - 1.51 AU

Year: 953 Days

Day: 12.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,529,681 km

• M1: 105,766 km (0.108 R)
• M2: 561,142 km (0.057 R)
• M3: 856,897 km (0.116 R)
• M4: 1,341,594 km (0.11 R)
• M5: 1,647,222 km (0.056 R)
• M6: 2,009,698 km (0.103 R)
• M7: 2,579,815 km (0.095 R)
• M8: 3,030,554 km (0.115 R)
• M9: 3,892,686 km (0.069 R)
• M10: 4,576,648 km (0.097 R)
• M11: 4,890,654 km (0.115 R)
• M12: 6,226,263 km (0.083 R)
• M13: 6,776,185 km (0.112 R)
• M14: 9,992,539 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 8

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.23 AU - 1.53 AU

Year: 1031 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,529,681 km

• M1: 99,483 km (0.056 R)
• M2: 406,009 km (0.114 R)
• M3: 789,129 km (0.093 R)
• M4: 1,893,311 km (0.113 R)
• M5: 2,540,022 km (0.11 R)
• M6: 2,921,347 km (0.061 R)
• M7: 3,253,604 km (0.112 R)
• M8: 3,534,399 km (0.093 R)
• M9: 3,944,896 km (0.098 R)
• M10: 5,574,615 km (0.1 R)
• M11: 5,999,922 km (0.052 R)
• M12: 7,012,101 km (0.101 R)
• M13: 7,609,894 km (0.118 R)
• M14: 7,974,165 km (0.115 R)
• M15: 9,224,055 km (0.063 R)
• M16: 9,789,236 km (0.056 R)
• M17: 10,377,305 km (0.108 R)
• M18: 10,696,098 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.8

Radius: 13.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.23 AU - 1.89 AU

Year: 1239 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,529,681 km

• M1: 164,258 km (0.098 R)
• M2: 575,503 km (0.119 R)
• M3: 1,190,051 km (0.112 R)
• M4: 1,675,646 km (0.049 R)
• M5: 2,604,050 km (0.102 R)
• M6: 3,089,046 km (0.113 R)
• M7: 3,529,163 km (0.102 R)
• M8: 4,142,963 km (0.068 R)
• M9: 4,608,961 km (0.056 R)
• M10: 5,667,815 km (0.108 R)
• M11: 6,558,071 km (0.093 R)
• M12: 7,267,016 km (0.054 R)
• M13: 8,371,796 km (0.111 R)
• M14: 8,894,491 km (0.104 R)
• M15: 10,531,241 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.2

Radius: 11.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.44 AU - 2.18 AU

Year: 1548 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,529,681 km

• M1: 138,079 km (0.03 R)
• M2: 503,397 km (0.115 R)
• M3: 855,849 km (0.046 R)
• M4: 1,685,220 km (0.089 R)
• M5: 2,032,437 km (0.112 R)
• M6: 2,403,439 km (0.088 R)
• M7: 3,178,656 km (0.059 R)
• M8: 3,649,590 km (0.083 R)
• M9: 4,424,806 km (0.065 R)
• M10: 5,034,567 km (0.093 R)
• M11: 5,949,059 km (0.108 R)
• M12: 6,868,936 km (0.08 R)
• M13: 8,077,687 km (0.051 R)
• M14: 8,599,185 km (0.05 R)
• M15: 9,235,724 km (0.104 R)
• M16: 9,903,529 km (0.081 R)
• M17: 10,774,637 km (0.111 R)
• M18: 12,823,380 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.1

Radius: 14.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.05 AU - 2.77 AU

Year: 2379 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,529,681 km

• M1: 177,872 km (0.118 R)
• M2: 888,911 km (0.096 R)
• M3: 1,635,703 km (0.113 R)
• M4: 2,085,843 km (0.107 R)
• M5: 2,563,958 km (0.095 R)
• M6: 3,100,266 km (0.112 R)
• M7: 4,104,218 km (0.071 R)
• M8: 5,042,196 km (0.069 R)
• M9: 7,142,700 km (0.06 R)
• M10: 7,636,523 km (0.061 R)
• M11: 9,055,309 km (0.052 R)
• M12: 9,669,707 km (0.066 R)
• M13: 10,130,618 km (0.105 R)
• M14: 11,921,155 km (0.048 R)
• M15: 12,660,019 km (0.117 R)
• M16: 13,169,549 km (0.04 R)
• M17: 13,692,544 km (0.106 R)
• M18: 14,734,044 km (0.055 R)
• M19: 16,519,494 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 13.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.11 AU - 4.87 AU

Year: 5067 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,529,681 km

• M1: 168,597 km (0.081 R)
• M2: 918,381 km (0.097 R)
• M3: 1,640,041 km (0.079 R)
• M4: 2,082,702 km (0.112 R)
• M5: 2,799,575 km (0.028 R)
• M6: 3,383,904 km (0.063 R)
• M7: 4,048,866 km (0.105 R)
• M8: 5,119,987 km (0.075 R)
• M9: 5,777,021 km (0.095 R)
• M10: 6,284,307 km (0.089 R)
• M11: 6,821,513 km (0.068 R)
• M12: 7,784,924 km (0.029 R)
• M13: 8,910,498 km (0.116 R)
• M14: 10,466,615 km (0.058 R)
• M15: 10,967,020 km (0.075 R)
• M16: 11,836,632 km (0.112 R)
• M17: 14,161,682 km (0.062 R)
• M18: 15,352,033 km (0.107 R)
• M19: 16,163,601 km (0.075 R)
• M20: 18,108,972 km (0.12 R)
• M21: 20,078,428 km (0.047 R)
• M22: 20,852,597 km (0.096 R)
• M23: 22,255,077 km (0.088 R)
• M24: 23,154,310 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.8

Radius: 3

Gravity: 84.09 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.47 AU - 8.83 AU

Year: 13453 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 52,529,681 km

• M1: 37,399 km (0.093 R)
• M2: 155,133 km (0.048 R)
• M3: 293,960 km (0.075 R)
• M4: 471,233 km (0.077 R)
• M5: 752,627 km (0.06 R)
• M6: 924,814 km (0.096 R)
• M7: 1,306,139 km (0.095 R)
• M8: 1,478,925 km (0.092 R)
• M9: 1,835,267 km (0.057 R)
• M10: 2,286,005 km (0.084 R)
• M11: 3,219,795 km (0.097 R)
• M12: 3,348,898 km (0.077 R)
• M13: 3,454,514 km (0.114 R)
• M14: 3,728,577 km (0.116 R)
• M15: 6,105,239 km (0.068 R)
• M16: 6,628,532 km (0.108 R)
• M17: 6,879,856 km (0.086 R)
• M18: 7,312,793 km (0.092 R)
• M19: 7,626,499 km (0.094 R)
• M20: 8,770,175 km (0.094 R)
• M21: 12,943,058 km (0.111 R)
• M22: 13,534,568 km (0.105 R)
• M23: 14,630,223 km (0.063 R)
• M24: 15,416,958 km (0.087 R)
• M25: 15,562,966 km (0.119 R)
• M26: 16,764,386 km (0.112 R)
• M27: 18,107,326 km (0.033 R)
• M28: 19,013,291 km (0.047 R)
• M29: 19,690,969 km (0.095 R)
• M30: 19,949,175 km (0.115 R)
• M31: 23,130,823 km (0.082 R)
• M32: 24,791,359 km (0.064 R)
• M33: 25,193,329 km (0.106 R)
• M34: 25,907,060 km (0.058 R)
• M35: 30,475,480 km (0.095 R)
• M36: 33,801,788 km (0.105 R)
• M37: 36,579,073 km (0.119 R)
• M38: 41,304,720 km (0.043 R)
• M39: 42,725,900 km (0.09 R)
• M40: 51,780,012 km (0.101 R)
• M41: 56,664,681 km (0.082 R)
• M42: 59,666,213 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.9

Radius: 5.4

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.03 AU - 9.47 AU

Year: 16457 Days

Day: 24.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,529,681 km

• M1: 67,169 km (0.08 R)
• M2: 247,734 km (0.045 R)
• M3: 539,300 km (0.068 R)
• M4: 1,218,774 km (0.115 R)
• M5: 1,868,029 km (0.039 R)
• M6: 2,724,476 km (0.111 R)
• M7: 4,094,494 km (0.078 R)
• M8: 5,796,917 km (0.119 R)
• M9: 7,572,195 km (0.11 R)
• M10: 8,236,709 km (0.045 R)
• M11: 8,939,221 km (0.111 R)
• M12: 9,579,799 km (0.071 R)
• M13: 10,841,806 km (0.082 R)
• M14: 14,014,179 km (0.041 R)
• M15: 15,634,922 km (0.117 R)
• M16: 18,372,115 km (0.09 R)
• M17: 21,412,542 km (0.068 R)
• M18: 22,111,313 km (0.071 R)
• M19: 27,844,801 km (0.075 R)
• M20: 28,887,648 km (0.057 R)
• M21: 31,161,835 km (0.115 R)
• M22: 31,496,186 km (0.064 R)
• M23: 33,088,207 km (0.083 R)
• M24: 41,723,594 km (0.114 R)
• M25: 43,641,738 km (0.082 R)
• M26: 52,529,647 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 20,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit