🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 10.6

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.63 AU - 0.91 AU

Year: 443 Days

Day: 13.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,141,148 km

• M1: 131,945 km (0.112 R)
• M2: 476,918 km (0.102 R)
• M3: 871,707 km (0.056 R)
• M4: 1,240,316 km (0.083 R)
• M5: 1,774,530 km (0.119 R)
• M6: 2,438,595 km (0.06 R)
• M7: 2,850,139 km (0.072 R)
• M8: 3,226,377 km (0.109 R)
• M9: 3,892,686 km (0.104 R)
• M10: 4,501,550 km (0.057 R)
• M11: 5,350,517 km (0.086 R)
• M12: 5,701,624 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 13.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.93 AU - 0.95 AU

Year: 598 Days

Day: 9.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,141,148 km

• M1: 173,085 km (0.081 R)
• M2: 662,569 km (0.089 R)
• M3: 1,146,518 km (0.083 R)
• M4: 1,599,650 km (0.034 R)
• M5: 2,083,599 km (0.093 R)
• M6: 3,369,243 km (0.105 R)
• M7: 3,848,704 km (0.101 R)
• M8: 4,528,028 km (0.079 R)
• M9: 5,303,544 km (0.068 R)
• M10: 5,881,141 km (0.072 R)
• M11: 6,601,305 km (0.109 R)
• M12: 7,292,447 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.6

Radius: 11.6

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.21 AU - 1.31 AU

Year: 928 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,141,148 km

• M1: 144,212 km (0.105 R)
• M2: 526,734 km (0.117 R)
• M3: 967,001 km (0.045 R)
• M4: 1,522,906 km (0.103 R)
• M5: 2,156,753 km (0.116 R)
• M6: 3,013,051 km (0.094 R)
• M7: 3,519,888 km (0.11 R)
• M8: 4,017,750 km (0.085 R)
• M9: 4,562,137 km (0.057 R)
• M10: 5,410,955 km (0.108 R)
• M11: 5,883,834 km (0.09 R)
• M12: 6,519,326 km (0.116 R)
• M13: 6,889,281 km (0.117 R)
• M14: 7,696,960 km (0.047 R)
• M15: 8,511,969 km (0.096 R)
• M16: 9,067,875 km (0.07 R)
• M17: 9,856,555 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 8.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.08 AU - 1.5 AU

Year: 961 Days

Day: 14.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,141,148 km

• M1: 101,278 km (0.11 R)
• M2: 383,868 km (0.06 R)
• M3: 684,410 km (0.096 R)
• M4: 1,212,640 km (0.085 R)
• M5: 1,589,627 km (0.072 R)
• M6: 2,134,911 km (0.118 R)
• M7: 2,788,056 km (0.114 R)
• M8: 5,918,241 km (0.099 R)
• M9: 6,637,508 km (0.066 R)
• M10: 7,219,444 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.5

Radius: 10.2

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.36 AU - 1.54 AU

Year: 1145 Days

Day: 11.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,141,148 km

• M1: 130,749 km (0.078 R)
• M2: 453,880 km (0.111 R)
• M3: 826,379 km (0.065 R)
• M4: 1,199,925 km (0.064 R)
• M5: 1,618,350 km (0.111 R)
• M6: 2,314,129 km (0.09 R)
• M7: 2,868,390 km (0.096 R)
• M8: 3,422,500 km (0.091 R)
• M9: 6,807,601 km (0.104 R)
• M10: 7,182,194 km (0.073 R)
• M11: 7,896,224 km (0.114 R)
• M12: 8,362,820 km (0.065 R)
• M13: 9,041,247 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.8

Radius: 9.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.81 AU - 3.39 AU

Year: 3581 Days

Day: 13.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,141,148 km

• M1: 115,190 km (0.104 R)
• M2: 498,610 km (0.057 R)
• M3: 1,060,499 km (0.106 R)
• M4: 1,454,989 km (0.094 R)
• M5: 2,085,394 km (0.113 R)
• M6: 2,572,186 km (0.118 R)
• M7: 2,857,918 km (0.06 R)
• M8: 4,068,314 km (0.111 R)
• M9: 4,894,543 km (0.08 R)
• M10: 5,404,821 km (0.1 R)
• M11: 5,901,337 km (0.079 R)
• M12: 9,376,645 km (0.11 R)
• M13: 10,556,523 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 10.4

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.22 AU - 5.3 AU

Year: 5768 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,141,148 km

• M1: 129,402 km (0.049 R)
• M2: 642,972 km (0.083 R)
• M3: 987,795 km (0.108 R)
• M4: 1,785,002 km (0.079 R)
• M5: 2,256,235 km (0.076 R)
• M6: 2,639,954 km (0.059 R)
• M7: 3,987,980 km (0.076 R)
• M8: 6,004,410 km (0.087 R)
• M9: 6,925,035 km (0.088 R)
• M10: 8,832,557 km (0.118 R)
• M11: 9,436,634 km (0.11 R)
• M12: 10,206,764 km (0.102 R)
• M13: 10,969,413 km (0.078 R)
• M14: 13,882,982 km (0.089 R)
• M15: 14,938,993 km (0.096 R)
• M16: 17,078,542 km (0.069 R)
• M17: 17,543,193 km (0.108 R)
• M18: 19,703,087 km (0.117 R)
• M19: 20,510,466 km (0.08 R)
• M20: 21,111,252 km (0.097 R)
• M21: 21,723,855 km (0.11 R)
• M22: 22,904,332 km (0.073 R)
• M23: 23,961,540 km (0.075 R)
• M24: 24,544,223 km (0.1 R)
• M25: 27,238,481 km (0.11 R)
• M26: 30,705,262 km (0.096 R)
• M27: 31,591,031 km (0.096 R)
• M28: 33,931,939 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.1

Radius: 14.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.11 AU - 6.51 AU

Year: 9187 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 111.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,141,148 km

• M1: 176,825 km (0.072 R)
• M2: 682,615 km (0.104 R)
• M3: 1,317,209 km (0.107 R)
• M4: 2,114,416 km (0.041 R)
• M5: 2,771,749 km (0.118 R)
• M6: 4,091,801 km (0.09 R)
• M7: 4,701,711 km (0.041 R)
• M8: 5,966,861 km (0.111 R)
• M9: 8,448,091 km (0.04 R)
• M10: 10,211,850 km (0.067 R)
• M11: 11,878,370 km (0.109 R)
• M12: 12,892,045 km (0.104 R)
• M13: 13,901,831 km (0.041 R)
• M14: 14,519,969 km (0.09 R)
• M15: 14,963,527 km (0.11 R)
• M16: 17,389,705 km (0.071 R)
• M17: 18,920,540 km (0.111 R)
• M18: 21,423,612 km (0.074 R)
• M19: 24,584,465 km (0.117 R)
• M20: 25,950,294 km (0.075 R)
• M21: 26,983,566 km (0.112 R)
• M22: 28,141,903 km (0.114 R)
• M23: 34,773,875 km (0.116 R)
• M24: 35,455,144 km (0.116 R)
• M25: 38,874,503 km (0.067 R)
• M26: 40,476,397 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.3

Radius: 3.5

Gravity: 78.39 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.89 AU - 7.63 AU

Year: 11530 Days

Day: 17.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 27,141,148 km

• M1: 43,533 km (0.053 R)
• M2: 258,804 km (0.1 R)
• M3: 460,761 km (0.089 R)
• M4: 613,202 km (0.097 R)
• M5: 760,705 km (0.076 R)
• M6: 1,009,486 km (0.082 R)
• M7: 1,393,654 km (0.098 R)
• M8: 1,619,098 km (0.039 R)
• M9: 1,732,493 km (0.034 R)
• M10: 2,422,139 km (0.111 R)
• M11: 3,355,031 km (0.066 R)
• M12: 3,567,012 km (0.102 R)
• M13: 4,017,451 km (0.119 R)
• M14: 4,165,702 km (0.116 R)
• M15: 4,536,555 km (0.108 R)
• M16: 5,379,091 km (0.108 R)
• M17: 8,379,426 km (0.069 R)
• M18: 9,850,272 km (0.111 R)
• M19: 10,674,706 km (0.116 R)
• M20: 11,425,537 km (0.032 R)
• M21: 13,754,327 km (0.071 R)
• M22: 16,007,870 km (0.096 R)
• M23: 17,144,215 km (0.1 R)
• M24: 17,455,977 km (0.103 R)
• M25: 17,613,354 km (0.06 R)
• M26: 18,171,504 km (0.114 R)
• M27: 18,333,069 km (0.114 R)
• M28: 20,609,799 km (0.113 R)
• M29: 23,162,687 km (0.08 R)
• M30: 26,226,003 km (0.119 R)
• M31: 29,215,567 km (0.099 R)
• M32: 32,069,894 km (0.094 R)
• M33: 34,855,107 km (0.1 R)
• M34: 35,104,636 km (0.096 R)
• M35: 36,498,440 km (0.111 R)
• M36: 47,608,475 km (0.104 R)
• M37: 52,356,412 km (0.072 R)
• M38: 57,410,128 km (0.102 R)
• M39: 58,987,338 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.3

Radius: 5.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.64 AU - 7.04 AU

Year: 11735 Days

Day: 18.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,141,148 km

• M1: 70,012 km (0.115 R)
• M2: 330,013 km (0.084 R)
• M3: 577,897 km (0.103 R)
• M4: 777,610 km (0.085 R)
• M5: 2,951,566 km (0.077 R)
• M6: 3,596,632 km (0.094 R)
• M7: 5,488,447 km (0.112 R)
• M8: 8,138,124 km (0.075 R)
• M9: 10,774,188 km (0.09 R)
• M10: 17,408,555 km (0.103 R)
• M11: 19,347,493 km (0.093 R)
• M12: 24,095,579 km (0.114 R)
• M13: 24,321,323 km (0.076 R)
• M14: 25,783,791 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 13,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit