🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.3

Radius: 14.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.42 AU - 0.66 AU

Year: 265 Days

Day: 11 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,049,245 km

• M1: 180,714 km (0.108 R)
• M2: 723,007 km (0.117 R)
• M3: 1,285,345 km (0.073 R)
• M4: 1,757,775 km (0.094 R)
• M5: 2,244,118 km (0.051 R)
• M6: 2,747,365 km (0.111 R)
• M7: 3,222,787 km (0.106 R)
• M8: 3,753,411 km (0.053 R)
• M9: 4,342,527 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.2

Radius: 8.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.43 AU - 0.67 AU

Year: 272 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,049,245 km

• M1: 107,112 km (0.101 R)
• M2: 395,986 km (0.117 R)
• M3: 708,944 km (0.116 R)
• M4: 1,021,005 km (0.084 R)
• M5: 1,323,193 km (0.045 R)
• M6: 1,605,784 km (0.112 R)
• M7: 2,007,603 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.7

Radius: 12.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.86 AU - 1.08 AU

Year: 637 Days

Day: 12.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 92.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,049,245 km

• M1: 150,645 km (0.037 R)
• M2: 627,563 km (0.03 R)
• M3: 1,012,329 km (0.118 R)
• M4: 1,407,716 km (0.108 R)
• M5: 1,891,815 km (0.086 R)
• M6: 2,395,810 km (0.109 R)
• M7: 3,035,490 km (0.06 R)
• M8: 3,466,931 km (0.119 R)
• M9: 4,053,354 km (0.1 R)
• M10: 4,737,166 km (0.105 R)
• M11: 5,766,998 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.8

Radius: 13.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.91 AU - 1.49 AU

Year: 877 Days

Day: 9.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,049,245 km

• M1: 170,392 km (0.034 R)
• M2: 716,574 km (0.116 R)
• M3: 1,166,115 km (0.104 R)
• M4: 1,630,617 km (0.113 R)
• M5: 2,427,525 km (0.03 R)
• M6: 3,046,112 km (0.109 R)
• M7: 3,577,783 km (0.11 R)
• M8: 4,097,186 km (0.086 R)
• M9: 4,946,154 km (0.12 R)
• M10: 5,966,412 km (0.096 R)
• M11: 6,496,587 km (0.056 R)
• M12: 7,340,020 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 15

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.26 AU - 2.64 AU

Year: 2557 Days

Day: 14.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,049,245 km

• M1: 186,848 km (0.099 R)
• M2: 740,210 km (0.112 R)
• M3: 1,683,425 km (0.108 R)
• M4: 2,316,523 km (0.092 R)
• M5: 2,883,200 km (0.077 R)
• M6: 3,934,274 km (0.095 R)
• M7: 4,410,444 km (0.064 R)
• M8: 5,125,821 km (0.092 R)
• M9: 5,652,406 km (0.1 R)
• M10: 7,506,522 km (0.112 R)
• M11: 8,443,304 km (0.083 R)
• M12: 9,272,375 km (0.113 R)
• M13: 9,961,423 km (0.067 R)
• M14: 10,483,819 km (0.098 R)
• M15: 11,024,465 km (0.085 R)
• M16: 11,583,662 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 12

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.91 AU - 2.99 AU

Year: 2557 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,049,245 km

• M1: 149,448 km (0.067 R)
• M2: 617,839 km (0.088 R)
• M3: 1,064,389 km (0.093 R)
• M4: 1,454,690 km (0.051 R)
• M5: 2,584,303 km (0.09 R)
• M6: 3,491,614 km (0.102 R)
• M7: 4,143,861 km (0.061 R)
• M8: 6,230,003 km (0.067 R)
• M9: 6,772,146 km (0.119 R)
• M10: 7,222,136 km (0.117 R)
• M11: 7,692,173 km (0.079 R)
• M12: 8,182,555 km (0.067 R)
• M13: 9,153,894 km (0.086 R)
• M14: 9,705,012 km (0.059 R)
• M15: 10,793,187 km (0.098 R)
• M16: 11,789,060 km (0.109 R)
• M17: 12,664,956 km (0.088 R)
• M18: 13,536,812 km (0.108 R)
• M19: 14,744,366 km (0.077 R)
• M20: 15,349,041 km (0.092 R)
• M21: 19,689,922 km (0.111 R)
• M22: 20,796,946 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.4

Radius: 11.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.51 AU - 3.41 AU

Year: 3396 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,049,245 km

• M1: 143,315 km (0.102 R)
• M2: 523,443 km (0.117 R)
• M3: 921,074 km (0.063 R)
• M4: 1,363,734 km (0.083 R)
• M5: 1,819,110 km (0.106 R)
• M6: 2,403,589 km (0.093 R)
• M7: 3,194,812 km (0.089 R)
• M8: 3,832,847 km (0.066 R)
• M9: 5,314,764 km (0.096 R)
• M10: 5,893,707 km (0.111 R)
• M11: 6,514,239 km (0.116 R)
• M12: 9,478,222 km (0.076 R)
• M13: 10,103,691 km (0.089 R)
• M14: 10,678,296 km (0.044 R)
• M15: 13,242,553 km (0.092 R)
• M16: 16,192,324 km (0.09 R)
• M17: 18,348,777 km (0.113 R)
• M18: 19,262,820 km (0.09 R)
• M19: 19,968,025 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.4

Radius: 9.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.16 AU - 4.46 AU

Year: 4959 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,049,245 km

• M1: 115,639 km (0.115 R)
• M2: 664,813 km (0.076 R)
• M3: 1,210,396 km (0.072 R)
• M4: 1,821,952 km (0.104 R)
• M5: 2,138,053 km (0.119 R)
• M6: 2,446,524 km (0.045 R)
• M7: 3,242,983 km (0.073 R)
• M8: 4,714,128 km (0.106 R)
• M9: 11,015,639 km (0.078 R)
• M10: 12,075,241 km (0.092 R)
• M11: 14,297,966 km (0.079 R)
• M12: 15,661,401 km (0.091 R)
• M13: 18,703,474 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.2

Radius: 3.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.97 AU - 8.53 AU

Year: 15802 Days

Day: 20.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,049,245 km

• M1: 46,076 km (0.038 R)
• M2: 309,518 km (0.077 R)
• M3: 594,652 km (0.089 R)
• M4: 930,648 km (0.118 R)
• M5: 1,125,275 km (0.1 R)
• M6: 2,930,772 km (0.025 R)
• M7: 4,759,606 km (0.079 R)
• M8: 5,610,369 km (0.038 R)
• M9: 5,958,034 km (0.12 R)
• M10: 7,051,146 km (0.1 R)
• M11: 9,016,114 km (0.087 R)
• M12: 9,895,002 km (0.07 R)
• M13: 10,169,364 km (0.058 R)
• M14: 11,317,977 km (0.111 R)
• M15: 15,096,968 km (0.077 R)
• M16: 15,460,641 km (0.117 R)
• M17: 17,565,782 km (0.112 R)
• M18: 18,376,303 km (0.062 R)
• M19: 18,860,402 km (0.114 R)
• M20: 24,014,797 km (0.119 R)
• M21: 24,676,618 km (0.081 R)
• M22: 26,911,909 km (0.04 R)
• M23: 27,356,663 km (0.064 R)
• M24: 28,260,983 km (0.041 R)
• M25: 33,490,475 km (0.095 R)
• M26: 34,734,082 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.5

Radius: 4.2

Gravity: 29.05 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.38 AU - 10.36 AU

Year: 19127 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,049,245 km

• M1: 55,351 km (0.11 R)
• M2: 316,549 km (0.101 R)
• M3: 746,344 km (0.111 R)
• M4: 1,013,526 km (0.085 R)
• M5: 1,703,172 km (0.104 R)
• M6: 2,028,846 km (0.106 R)
• M7: 2,186,373 km (0.117 R)
• M8: 2,949,472 km (0.119 R)
• M9: 5,681,877 km (0.115 R)
• M10: 6,035,975 km (0.091 R)
• M11: 7,277,936 km (0.094 R)
• M12: 10,485,016 km (0.046 R)
• M13: 11,817,933 km (0.113 R)
• M14: 13,124,221 km (0.118 R)
• M15: 13,259,906 km (0.088 R)
• M16: 14,523,560 km (0.11 R)
• M17: 15,484,726 km (0.111 R)
• M18: 18,451,252 km (0.106 R)
• M19: 19,401,348 km (0.119 R)
• M20: 21,304,682 km (0.095 R)
• M21: 21,775,466 km (0.089 R)
• M22: 22,446,413 km (0.101 R)
• M23: 23,829,146 km (0.119 R)
• M24: 24,644,304 km (0.116 R)
• M25: 25,583,330 km (0.087 R)
• M26: 28,203,687 km (0.104 R)
• M27: 34,612,609 km (0.111 R)
• M28: 35,394,108 km (0.075 R)
• M29: 40,331,586 km (0.082 R)
• M30: 40,474,901 km (0.073 R)
• M31: 40,907,089 km (0.066 R)
• M32: 42,666,061 km (0.054 R)
• M33: 44,781,225 km (0.117 R)
• M34: 45,708,881 km (0.101 R)
• M35: 47,283,100 km (0.114 R)
• M36: 48,083,598 km (0.106 R)
• M37: 49,711,672 km (0.12 R)
• M38: 55,344,480 km (0.079 R)
• M39: 65,652,073 km (0.091 R)
• M40: 66,448,083 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 11,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit