🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 12.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.63 AU - 0.95 AU

Year: 485 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,306,192 km

• M1: 150,495 km (0.04 R)
• M2: 605,871 km (0.079 R)
• M3: 1,072,018 km (0.084 R)
• M4: 1,458,878 km (0.034 R)
• M5: 2,233,646 km (0.108 R)
• M6: 2,705,777 km (0.049 R)
• M7: 3,127,044 km (0.114 R)
• M8: 3,534,399 km (0.068 R)
• M9: 3,915,425 km (0.032 R)
• M10: 4,323,827 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.4

Radius: 11.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.62 AU - 1.02 AU

Year: 513 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,306,192 km

• M1: 141,819 km (0.082 R)
• M2: 505,790 km (0.036 R)
• M3: 1,059,452 km (0.1 R)
• M4: 2,232,599 km (0.078 R)
• M5: 2,940,795 km (0.057 R)
• M6: 3,442,995 km (0.064 R)
• M7: 3,890,442 km (0.118 R)
• M8: 4,258,004 km (0.109 R)
• M9: 4,888,709 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 8.8

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.6 AU - 1.84 AU

Year: 1557 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,306,192 km

• M1: 109,506 km (0.11 R)
• M2: 451,636 km (0.1 R)
• M3: 800,797 km (0.066 R)
• M4: 1,401,134 km (0.082 R)
• M5: 1,843,943 km (0.086 R)
• M6: 2,238,283 km (0.118 R)
• M7: 2,577,272 km (0.046 R)
• M8: 3,072,441 km (0.094 R)
• M9: 3,425,642 km (0.088 R)
• M10: 3,914,527 km (0.074 R)
• M11: 5,185,062 km (0.11 R)
• M12: 5,734,984 km (0.077 R)
• M13: 7,999,746 km (0.066 R)
• M14: 8,361,623 km (0.059 R)
• M15: 9,117,990 km (0.105 R)
• M16: 10,949,367 km (0.079 R)
• M17: 12,285,426 km (0.104 R)
• M18: 12,726,889 km (0.076 R)
• M19: 13,812,521 km (0.047 R)
• M20: 14,868,383 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142

Radius: 11.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.78 AU - 2.38 AU

Year: 2071 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,306,192 km

• M1: 156,330 km (0.083 R)
• M2: 556,654 km (0.093 R)
• M3: 936,483 km (0.096 R)
• M4: 3,403,202 km (0.062 R)
• M5: 4,988,790 km (0.088 R)
• M6: 5,365,328 km (0.094 R)
• M7: 7,325,957 km (0.071 R)
• M8: 8,297,895 km (0.058 R)
• M9: 9,410,304 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.4

Radius: 12.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.9 AU - 2.48 AU

Year: 2237 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 140.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,306,192 km

• M1: 151,692 km (0.078 R)
• M2: 620,981 km (0.115 R)
• M3: 1,031,328 km (0.106 R)
• M4: 1,679,685 km (0.098 R)
• M5: 2,248,905 km (0.089 R)
• M6: 2,642,048 km (0.101 R)
• M7: 4,320,835 km (0.044 R)
• M8: 5,086,477 km (0.077 R)
• M9: 5,467,653 km (0.059 R)
• M10: 10,588,238 km (0.079 R)
• M11: 12,295,000 km (0.095 R)
• M12: 13,960,174 km (0.119 R)
• M13: 14,354,664 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.5

Radius: 8.3

Gravity: 14.02 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.48 AU - 2.86 AU

Year: 3011 Days

Day: 6.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,306,192 km

• M1: 103,372 km (0.107 R)
• M2: 388,206 km (0.098 R)
• M3: 1,039,855 km (0.088 R)
• M4: 1,401,732 km (0.111 R)
• M5: 1,871,769 km (0.12 R)
• M6: 2,151,217 km (0.059 R)
• M7: 2,880,208 km (0.096 R)
• M8: 3,162,948 km (0.108 R)
• M9: 3,702,846 km (0.118 R)
• M10: 4,081,479 km (0.091 R)
• M11: 4,673,886 km (0.09 R)
• M12: 5,322,393 km (0.113 R)
• M13: 6,614,919 km (0.048 R)
• M14: 9,925,071 km (0.034 R)
• M15: 10,615,615 km (0.09 R)
• M16: 11,251,405 km (0.119 R)
• M17: 11,688,979 km (0.091 R)
• M18: 12,002,088 km (0.07 R)
• M19: 13,022,794 km (0.114 R)
• M20: 14,302,454 km (0.068 R)
• M21: 14,920,443 km (0.077 R)
• M22: 16,881,521 km (0.08 R)
• M23: 17,806,036 km (0.096 R)
• M24: 19,881,856 km (0.049 R)
• M25: 20,978,109 km (0.107 R)
• M26: 21,374,394 km (0.094 R)
• M27: 22,662,581 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680

Radius: 12.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.58 AU - 3.64 AU

Year: 3786 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,306,192 km

• M1: 160,369 km (0.101 R)
• M2: 577,597 km (0.114 R)
• M3: 1,037,760 km (0.091 R)
• M4: 1,513,930 km (0.107 R)
• M5: 2,002,517 km (0.118 R)
• M6: 2,471,656 km (0.112 R)
• M7: 4,185,150 km (0.08 R)
• M8: 4,813,461 km (0.099 R)
• M9: 7,571,447 km (0.074 R)
• M10: 8,984,100 km (0.08 R)
• M11: 9,992,240 km (0.064 R)
• M12: 10,860,506 km (0.041 R)
• M13: 11,422,845 km (0.107 R)
• M14: 12,512,067 km (0.117 R)
• M15: 13,570,172 km (0.065 R)
• M16: 14,635,010 km (0.115 R)
• M17: 15,214,702 km (0.115 R)
• M18: 18,164,772 km (0.104 R)
• M19: 19,838,024 km (0.116 R)
• M20: 21,075,647 km (0.119 R)
• M21: 24,284,671 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 12.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.02 AU - 3.66 AU

Year: 4213 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,306,192 km

• M1: 155,432 km (0.113 R)
• M2: 611,556 km (0.071 R)
• M3: 1,127,220 km (0.11 R)
• M4: 1,609,224 km (0.111 R)
• M5: 2,286,155 km (0.114 R)
• M6: 2,732,704 km (0.115 R)
• M7: 3,908,544 km (0.105 R)
• M8: 4,937,478 km (0.081 R)
• M9: 5,529,137 km (0.07 R)
• M10: 7,794,049 km (0.06 R)
• M11: 8,490,128 km (0.078 R)
• M12: 9,303,342 km (0.066 R)
• M13: 10,289,790 km (0.107 R)
• M14: 10,829,539 km (0.104 R)
• M15: 11,563,915 km (0.086 R)
• M16: 14,578,462 km (0.097 R)
• M17: 16,518,298 km (0.062 R)
• M18: 17,491,731 km (0.111 R)
• M19: 18,869,228 km (0.114 R)
• M20: 20,188,981 km (0.085 R)
• M21: 20,838,684 km (0.047 R)
• M22: 21,771,726 km (0.026 R)
• M23: 24,080,769 km (0.056 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820

Radius: 12.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.34 AU - 3.52 AU

Year: 4385 Days

Day: 10.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,306,192 km

• M1: 151,842 km (0.11 R)
• M2: 726,896 km (0.108 R)
• M3: 1,250,339 km (0.101 R)
• M4: 1,780,663 km (0.095 R)
• M5: 2,165,878 km (0.12 R)
• M6: 2,557,226 km (0.099 R)
• M7: 3,283,673 km (0.117 R)
• M8: 4,120,075 km (0.063 R)
• M9: 4,830,366 km (0.05 R)
• M10: 5,853,465 km (0.036 R)
• M11: 6,719,787 km (0.109 R)
• M12: 7,116,371 km (0.092 R)
• M13: 8,214,269 km (0.116 R)
• M14: 9,503,504 km (0.082 R)
• M15: 10,261,367 km (0.113 R)
• M16: 10,655,258 km (0.065 R)
• M17: 11,613,731 km (0.112 R)
• M18: 13,337,697 km (0.102 R)
• M19: 15,339,466 km (0.063 R)
• M20: 15,855,280 km (0.05 R)
• M21: 16,442,003 km (0.119 R)
• M22: 17,165,009 km (0.07 R)
• M23: 19,661,947 km (0.037 R)
• M24: 20,202,594 km (0.12 R)
• M25: 20,614,587 km (0.099 R)
• M26: 22,611,868 km (0.107 R)
• M27: 23,205,622 km (0.096 R)
• M28: 24,115,476 km (0.048 R)
• M29: 24,970,278 km (0.099 R)
• M30: 27,740,681 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.4

Radius: 7.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.33 AU - 9.29 AU

Year: 15066 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,306,192 km

• M1: 99,333 km (0.101 R)
• M2: 386,860 km (0.064 R)
• M3: 723,904 km (0.06 R)
• M4: 1,065,885 km (0.084 R)
• M5: 1,396,795 km (0.056 R)
• M6: 1,949,410 km (0.033 R)
• M7: 3,171,176 km (0.07 R)
• M8: 3,527,219 km (0.094 R)
• M9: 4,652,045 km (0.048 R)
• M10: 5,168,756 km (0.103 R)
• M11: 5,514,477 km (0.037 R)
• M12: 6,712,157 km (0.096 R)
• M13: 9,827,832 km (0.109 R)
• M14: 17,533,170 km (0.086 R)
• M15: 20,087,703 km (0.105 R)
• M16: 21,380,079 km (0.068 R)
• M17: 22,650,763 km (0.063 R)
• M18: 24,690,381 km (0.108 R)
• M19: 26,004,747 km (0.056 R)
• M20: 29,584,475 km (0.088 R)
• M21: 30,504,951 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 12,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit