🌌 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: 355.9

Radius: 10

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 11 Hours

Environment

Temp: -131 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,611,491 km

• M1: 124,316 km (0.114 R)
• M2: 542,442 km (0.11 R)
• M3: 1,042,548 km (0.116 R)
• M4: 1,434,943 km (0.104 R)
• M5: 1,748,500 km (0.027 R)
• M6: 2,073,875 km (0.098 R)
• M7: 2,590,138 km (0.082 R)
• M8: 2,927,481 km (0.096 R)
• M9: 3,284,720 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.8

Radius: 14

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.61 AU - 0.65 AU

Year: 339 Days

Day: 5.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,611,491 km

• M1: 174,431 km (0.102 R)
• M2: 619,934 km (0.081 R)
• M3: 1,108,071 km (0.079 R)
• M4: 1,870,572 km (0.098 R)
• M5: 2,453,854 km (0.117 R)
• M6: 3,219,945 km (0.059 R)
• M7: 3,811,903 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 9.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.85 AU - 0.91 AU

Year: 560 Days

Day: 13.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,611,491 km

• M1: 117,734 km (0.07 R)
• M2: 680,670 km (0.073 R)
• M3: 1,238,670 km (0.063 R)
• M4: 1,832,275 km (0.116 R)
• M5: 2,153,013 km (0.088 R)
• M6: 2,920,300 km (0.103 R)
• M7: 3,227,873 km (0.043 R)
• M8: 3,785,275 km (0.095 R)
• M9: 4,351,353 km (0.104 R)
• M10: 4,740,308 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.1

Radius: 14.6

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.77 AU - 2.15 AU

Year: 1861 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,611,491 km

• M1: 182,210 km (0.095 R)
• M2: 779,106 km (0.08 R)
• M3: 1,350,719 km (0.108 R)
• M4: 1,914,105 km (0.089 R)
• M5: 2,432,162 km (0.059 R)
• M6: 4,070,558 km (0.116 R)
• M7: 5,005,246 km (0.112 R)
• M8: 5,641,485 km (0.078 R)
• M9: 6,644,090 km (0.105 R)
• M10: 7,244,426 km (0.112 R)
• M11: 8,151,887 km (0.074 R)
• M12: 9,266,242 km (0.092 R)
• M13: 10,407,823 km (0.109 R)
• M14: 13,392,001 km (0.088 R)
• M15: 16,072,197 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 9.8

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.55 AU - 3.93 AU

Year: 4906 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,611,491 km

• M1: 121,922 km (0.12 R)
• M2: 911,201 km (0.119 R)
• M3: 1,433,148 km (0.106 R)
• M4: 2,026,752 km (0.089 R)
• M5: 2,943,637 km (0.087 R)
• M6: 3,485,182 km (0.085 R)
• M7: 3,905,252 km (0.104 R)
• M8: 5,063,589 km (0.107 R)
• M9: 7,601,217 km (0.106 R)
• M10: 8,006,478 km (0.064 R)
• M11: 10,566,546 km (0.059 R)
• M12: 11,786,667 km (0.084 R)
• M13: 18,261,412 km (0.063 R)
• M14: 19,056,674 km (0.081 R)
• M15: 20,222,640 km (0.031 R)
• M16: 26,859,101 km (0.053 R)
• M17: 27,974,203 km (0.108 R)
• M18: 28,764,080 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.4

Radius: 5

Gravity: 27.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.53 AU - 5.87 AU

Year: 9230 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,611,491 km

• M1: 62,532 km (0.085 R)
• M2: 237,113 km (0.026 R)
• M3: 457,321 km (0.112 R)
• M4: 829,520 km (0.108 R)
• M5: 1,199,326 km (0.065 R)
• M6: 1,870,572 km (0.116 R)
• M7: 2,682,589 km (0.111 R)
• M8: 2,848,343 km (0.086 R)
• M9: 3,065,410 km (0.076 R)
• M10: 3,732,317 km (0.095 R)
• M11: 3,992,618 km (0.093 R)
• M12: 4,237,060 km (0.112 R)
• M13: 4,491,377 km (0.092 R)
• M14: 4,876,741 km (0.101 R)
• M15: 5,713,292 km (0.114 R)
• M16: 6,492,548 km (0.068 R)
• M17: 6,716,795 km (0.106 R)
• M18: 7,380,561 km (0.071 R)
• M19: 7,624,854 km (0.063 R)
• M20: 11,312,741 km (0.083 R)
• M21: 11,474,456 km (0.092 R)
• M22: 13,781,405 km (0.099 R)
• M23: 18,456,338 km (0.087 R)
• M24: 18,755,833 km (0.119 R)
• M25: 20,461,249 km (0.086 R)
• M26: 25,447,645 km (0.054 R)
• M27: 26,099,293 km (0.054 R)
• M28: 26,287,637 km (0.059 R)
• M29: 30,244,950 km (0.086 R)
• M30: 30,452,591 km (0.088 R)
• M31: 31,505,312 km (0.111 R)
• M32: 31,825,750 km (0.074 R)
• M33: 38,945,711 km (0.117 R)
• M34: 40,436,304 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.1

Radius: 7.6

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.17 AU - 6.45 AU

Year: 9499 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,611,491 km

• M1: 115,789 km (0.103 R)
• M2: 843,582 km (0.115 R)
• M3: 1,118,244 km (0.111 R)
• M4: 1,536,221 km (0.075 R)
• M5: 2,072,080 km (0.104 R)
• M6: 2,461,633 km (0.1 R)
• M7: 2,705,627 km (0.088 R)
• M8: 5,285,143 km (0.047 R)
• M9: 5,763,856 km (0.093 R)
• M10: 6,234,042 km (0.071 R)
• M11: 6,612,974 km (0.113 R)
• M12: 6,967,072 km (0.09 R)
• M13: 9,073,410 km (0.118 R)
• M14: 11,741,189 km (0.095 R)
• M15: 12,202,399 km (0.111 R)
• M16: 13,099,538 km (0.055 R)
• M17: 13,721,715 km (0.101 R)
• M18: 14,757,980 km (0.085 R)
• M19: 17,650,006 km (0.115 R)
• M20: 18,796,224 km (0.091 R)
• M21: 20,565,967 km (0.113 R)
• M22: 20,815,646 km (0.026 R)
• M23: 21,236,315 km (0.104 R)
• M24: 23,064,850 km (0.11 R)
• M25: 23,788,305 km (0.091 R)
• M26: 29,386,856 km (0.037 R)
• M27: 29,809,919 km (0.06 R)
• M28: 31,542,561 km (0.073 R)
• M29: 32,209,319 km (0.105 R)
• M30: 34,149,304 km (0.094 R)
• M31: 36,045,308 km (0.102 R)
• M32: 37,265,129 km (0.037 R)
• M33: 40,045,555 km (0.073 R)
• M34: 42,420,870 km (0.103 R)
• M35: 44,470,809 km (0.108 R)
• M36: 45,028,361 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.1

Radius: 4.1

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.18 AU - 6.52 AU

Year: 10853 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,611,491 km

• M1: 51,013 km (0.117 R)
• M2: 597,793 km (0.059 R)
• M3: 846,425 km (0.088 R)
• M4: 1,054,366 km (0.077 R)
• M5: 1,242,710 km (0.06 R)
• M6: 1,610,720 km (0.12 R)
• M7: 2,018,075 km (0.082 R)
• M8: 2,559,171 km (0.08 R)
• M9: 2,919,552 km (0.092 R)
• M10: 3,479,796 km (0.112 R)
• M11: 3,630,441 km (0.052 R)
• M12: 4,204,299 km (0.061 R)
• M13: 4,627,661 km (0.075 R)
• M14: 4,810,020 km (0.113 R)
• M15: 4,970,090 km (0.106 R)
• M16: 5,329,275 km (0.043 R)
• M17: 6,006,654 km (0.119 R)
• M18: 7,214,058 km (0.115 R)
• M19: 15,905,694 km (0.118 R)
• M20: 16,561,980 km (0.095 R)
• M21: 18,704,970 km (0.114 R)
• M22: 18,836,466 km (0.085 R)
• M23: 19,706,378 km (0.115 R)
• M24: 20,813,552 km (0.105 R)
• M25: 22,328,679 km (0.098 R)
• M26: 24,776,250 km (0.069 R)
• M27: 28,949,432 km (0.045 R)
• M28: 29,302,184 km (0.083 R)
• M29: 30,106,422 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.1

Radius: 6.9

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.22 AU - 10.78 AU

Year: 21448 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,611,491 km

• M1: 104,270 km (0.107 R)
• M2: 385,813 km (0.085 R)
• M3: 783,444 km (0.081 R)
• M4: 1,144,125 km (0.087 R)
• M5: 1,628,822 km (0.085 R)
• M6: 1,918,443 km (0.096 R)
• M7: 2,137,454 km (0.118 R)
• M8: 2,846,548 km (0.107 R)
• M9: 5,122,231 km (0.12 R)
• M10: 5,626,825 km (0.086 R)
• M11: 6,079,209 km (0.095 R)
• M12: 6,825,702 km (0.098 R)
• M13: 7,681,103 km (0.084 R)
• M14: 9,951,998 km (0.049 R)
• M15: 12,984,198 km (0.093 R)
• M16: 15,927,087 km (0.11 R)
• M17: 18,031,181 km (0.034 R)
• M18: 18,562,403 km (0.064 R)
• M19: 20,695,818 km (0.102 R)
• M20: 21,971,290 km (0.082 R)
• M21: 27,950,567 km (0.096 R)
• M22: 32,013,346 km (0.069 R)
• M23: 40,981,738 km (0.074 R)
• M24: 43,144,475 km (0.077 R)
• M25: 44,413,962 km (0.119 R)
• M26: 50,960,814 km (0.054 R)
• M27: 55,108,265 km (0.091 R)
• M28: 60,454,145 km (0.09 R)
• M29: 61,046,553 km (0.1 R)
• M30: 70,841,473 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 19,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit