🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.8

Radius: 10.2

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 8.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,031,451 km

• M1: 126,859 km (0.03 R)
• M2: 484,996 km (0.107 R)
• M3: 924,515 km (0.108 R)
• M4: 1,260,661 km (0.095 R)
• M5: 1,693,298 km (0.094 R)
• M6: 2,025,406 km (0.076 R)
• M7: 2,427,525 km (0.098 R)
• M8: 2,882,751 km (0.106 R)
• M9: 4,114,989 km (0.079 R)
• M10: 4,613,598 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.1

Radius: 14.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.6 AU - 0.76 AU

Year: 374 Days

Day: 9.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 86,031,451 km

• M1: 185,352 km (0.084 R)
• M2: 762,650 km (0.062 R)
• M3: 1,292,526 km (0.116 R)
• M4: 2,295,430 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.8

Radius: 14.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.34 AU - 2.2 AU

Year: 1570 Days

Day: 7.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,031,451 km

• M1: 179,069 km (0.091 R)
• M2: 646,113 km (0.116 R)
• M3: 1,145,022 km (0.09 R)
• M4: 1,617,153 km (0.104 R)
• M5: 2,325,798 km (0.056 R)
• M6: 3,587,955 km (0.11 R)
• M7: 4,805,233 km (0.119 R)
• M8: 5,737,677 km (0.097 R)
• M9: 6,329,486 km (0.083 R)
• M10: 6,861,905 km (0.115 R)
• M11: 7,825,165 km (0.12 R)
• M12: 10,182,529 km (0.094 R)
• M13: 12,008,670 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 11.8

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.51 AU - 2.33 AU

Year: 1774 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,031,451 km

• M1: 146,756 km (0.059 R)
• M2: 514,018 km (0.065 R)
• M3: 1,708,707 km (0.111 R)
• M4: 2,124,439 km (0.115 R)
• M5: 2,854,627 km (0.098 R)
• M6: 3,395,872 km (0.084 R)
• M7: 3,892,237 km (0.052 R)
• M8: 4,276,106 km (0.111 R)
• M9: 4,943,312 km (0.095 R)
• M10: 5,800,209 km (0.113 R)
• M11: 6,381,247 km (0.036 R)
• M12: 6,835,276 km (0.098 R)
• M13: 8,111,645 km (0.078 R)
• M14: 8,774,214 km (0.047 R)
• M15: 10,792,589 km (0.044 R)
• M16: 12,683,506 km (0.078 R)
• M17: 13,403,371 km (0.07 R)
• M18: 14,602,398 km (0.084 R)
• M19: 15,017,681 km (0.057 R)
• M20: 16,858,334 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864

Radius: 8.1

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.64 AU - 5.7 AU

Year: 6730 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,031,451 km

• M1: 100,979 km (0.075 R)
• M2: 408,701 km (0.09 R)
• M3: 705,803 km (0.076 R)
• M4: 1,271,133 km (0.042 R)
• M5: 1,787,096 km (0.118 R)
• M6: 3,167,735 km (0.106 R)
• M7: 3,813,100 km (0.099 R)
• M8: 4,515,612 km (0.061 R)
• M9: 5,363,233 km (0.102 R)
• M10: 5,973,443 km (0.093 R)
• M11: 7,030,352 km (0.076 R)
• M12: 8,042,980 km (0.118 R)
• M13: 10,020,365 km (0.108 R)
• M14: 10,598,112 km (0.086 R)
• M15: 13,824,938 km (0.096 R)
• M16: 14,120,244 km (0.114 R)
• M17: 14,908,026 km (0.054 R)
• M18: 16,046,466 km (0.085 R)
• M19: 18,141,584 km (0.109 R)
• M20: 21,418,825 km (0.111 R)
• M21: 22,376,849 km (0.066 R)
• M22: 24,121,609 km (0.08 R)
• M23: 24,636,226 km (0.078 R)
• M24: 25,070,808 km (0.059 R)
• M25: 25,776,611 km (0.107 R)
• M26: 30,391,855 km (0.103 R)
• M27: 34,437,131 km (0.106 R)
• M28: 35,309,137 km (0.118 R)
• M29: 35,750,600 km (0.117 R)
• M30: 38,360,933 km (0.102 R)
• M31: 38,944,814 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 14.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.25 AU - 5.81 AU

Year: 7523 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,031,451 km

• M1: 179,069 km (0.083 R)
• M2: 674,238 km (0.1 R)
• M3: 1,585,139 km (0.065 R)
• M4: 2,192,357 km (0.12 R)
• M5: 3,345,308 km (0.09 R)
• M6: 3,999,948 km (0.091 R)
• M7: 5,715,387 km (0.078 R)
• M8: 6,363,145 km (0.091 R)
• M9: 8,066,616 km (0.094 R)
• M10: 12,508,925 km (0.063 R)
• M11: 13,711,393 km (0.087 R)
• M12: 14,989,707 km (0.105 R)
• M13: 15,984,532 km (0.113 R)
• M14: 19,031,841 km (0.069 R)
• M15: 22,297,712 km (0.114 R)
• M16: 23,054,229 km (0.111 R)
• M17: 23,749,709 km (0.085 R)
• M18: 24,221,092 km (0.101 R)
• M19: 29,646,109 km (0.082 R)
• M20: 30,376,596 km (0.084 R)
• M21: 31,119,199 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.6

Radius: 7

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.57 AU - 6.99 AU

Year: 9267 Days

Day: 21.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,031,451 km

• M1: 87,066 km (0.112 R)
• M2: 379,380 km (0.09 R)
• M3: 659,727 km (0.118 R)
• M4: 933,940 km (0.045 R)
• M5: 1,205,460 km (0.063 R)
• M6: 1,427,762 km (0.099 R)
• M7: 1,806,245 km (0.086 R)
• M8: 2,083,749 km (0.104 R)
• M9: 2,389,527 km (0.042 R)
• M10: 3,679,060 km (0.11 R)
• M11: 4,050,362 km (0.059 R)
• M12: 4,668,052 km (0.087 R)
• M13: 4,955,429 km (0.116 R)
• M14: 5,856,457 km (0.036 R)
• M15: 7,159,006 km (0.053 R)
• M16: 9,300,948 km (0.114 R)
• M17: 9,572,768 km (0.093 R)
• M18: 9,990,445 km (0.057 R)
• M19: 10,812,784 km (0.068 R)
• M20: 12,980,158 km (0.102 R)
• M21: 17,322,536 km (0.055 R)
• M22: 19,301,267 km (0.095 R)
• M23: 22,707,610 km (0.105 R)
• M24: 23,118,257 km (0.115 R)
• M25: 25,510,775 km (0.107 R)
• M26: 25,954,782 km (0.094 R)
• M27: 30,581,994 km (0.106 R)
• M28: 30,982,317 km (0.028 R)
• M29: 32,514,948 km (0.1 R)
• M30: 35,289,839 km (0.08 R)
• M31: 38,566,929 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.8

Radius: 5

Gravity: 26.03 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.4 AU - 8.36 AU

Year: 14751 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,031,451 km

• M1: 70,760 km (0.092 R)
• M2: 1,171,800 km (0.049 R)
• M3: 1,596,508 km (0.117 R)
• M4: 2,588,791 km (0.038 R)
• M5: 2,979,840 km (0.094 R)
• M6: 3,304,767 km (0.04 R)
• M7: 4,174,678 km (0.112 R)
• M8: 5,083,186 km (0.064 R)
• M9: 6,978,292 km (0.073 R)
• M10: 9,936,590 km (0.087 R)
• M11: 10,210,952 km (0.09 R)
• M12: 10,947,722 km (0.05 R)
• M13: 14,670,465 km (0.062 R)
• M14: 16,354,338 km (0.091 R)
• M15: 18,822,254 km (0.12 R)
• M16: 20,984,841 km (0.077 R)
• M17: 22,546,493 km (0.069 R)
• M18: 24,481,093 km (0.05 R)
• M19: 25,284,883 km (0.062 R)
• M20: 30,596,205 km (0.102 R)
• M21: 33,327,264 km (0.081 R)
• M22: 44,976,600 km (0.114 R)
• M23: 53,861,666 km (0.077 R)
• M24: 57,826,159 km (0.079 R)
• M25: 58,179,809 km (0.115 R)
• M26: 59,789,183 km (0.118 R)
• M27: 60,878,405 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.8

Radius: 7.1

Gravity: 17.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.79 AU - 11.33 AU

Year: 21278 Days

Day: 22.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,031,451 km

• M1: 88,263 km (0.063 R)
• M2: 334,351 km (0.086 R)
• M3: 572,960 km (0.111 R)
• M4: 1,041,351 km (0.095 R)
• M5: 1,336,807 km (0.05 R)
• M6: 1,705,865 km (0.1 R)
• M7: 1,974,991 km (0.12 R)
• M8: 2,250,102 km (0.118 R)
• M9: 3,710,326 km (0.092 R)
• M10: 4,730,135 km (0.104 R)
• M11: 6,011,590 km (0.04 R)
• M12: 6,593,077 km (0.074 R)
• M13: 8,399,172 km (0.109 R)
• M14: 9,832,470 km (0.037 R)
• M15: 14,860,155 km (0.12 R)
• M16: 17,560,396 km (0.059 R)
• M17: 21,374,095 km (0.038 R)
• M18: 25,476,667 km (0.096 R)
• M19: 27,712,108 km (0.118 R)
• M20: 31,634,714 km (0.104 R)
• M21: 36,200,740 km (0.105 R)
• M22: 37,075,588 km (0.118 R)
• M23: 41,503,536 km (0.112 R)
• M24: 47,128,715 km (0.118 R)
• M25: 48,171,412 km (0.048 R)
• M26: 57,861,165 km (0.096 R)
• M27: 58,456,714 km (0.073 R)
• M28: 59,458,422 km (0.063 R)
• M29: 61,084,999 km (0.077 R)
• M30: 67,011,169 km (0.116 R)
• M31: 69,664,288 km (0.115 R)
• M32: 72,156,887 km (0.054 R)
• M33: 78,042,068 km (0.047 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: 510 - 18,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit