🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.1

Radius: 11.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.66 AU - 0.86 AU

Year: 435 Days

Day: 7.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,878,276 km

• M1: 148,102 km (0.111 R)
• M2: 536,608 km (0.098 R)
• M3: 1,340,547 km (0.109 R)
• M4: 1,847,982 km (0.11 R)
• M5: 2,385,936 km (0.068 R)
• M6: 3,094,731 km (0.12 R)
• M7: 3,779,740 km (0.12 R)
• M8: 4,372,447 km (0.119 R)
• M9: 4,899,929 km (0.073 R)
• M10: 5,709,552 km (0.059 R)
• M11: 6,174,353 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 14.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.09 AU - 1.13 AU

Year: 767 Days

Day: 13.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,878,276 km

• M1: 179,817 km (0.115 R)
• M2: 680,670 km (0.063 R)
• M3: 1,222,663 km (0.073 R)
• M4: 1,673,252 km (0.076 R)
• M5: 2,331,632 km (0.079 R)
• M6: 2,806,606 km (0.106 R)
• M7: 4,065,322 km (0.058 R)
• M8: 4,571,711 km (0.105 R)
• M9: 5,138,537 km (0.071 R)
• M10: 6,653,814 km (0.086 R)
• M11: 7,220,192 km (0.11 R)
• M12: 7,794,049 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 8.8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.04 AU - 1.28 AU

Year: 820 Days

Day: 8.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,878,276 km

• M1: 109,506 km (0.082 R)
• M2: 426,504 km (0.073 R)
• M3: 1,242,261 km (0.103 R)
• M4: 1,771,837 km (0.086 R)
• M5: 2,065,049 km (0.107 R)
• M6: 2,611,979 km (0.085 R)
• M7: 3,083,063 km (0.1 R)
• M8: 3,400,360 km (0.087 R)
• M9: 3,754,308 km (0.049 R)
• M10: 4,388,005 km (0.11 R)
• M11: 4,790,872 km (0.089 R)
• M12: 5,329,125 km (0.093 R)
• M13: 6,357,162 km (0.065 R)
• M14: 6,655,310 km (0.1 R)
• M15: 7,821,425 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.9

Radius: 9.1

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.78 AU - 2.14 AU

Year: 1800 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,878,276 km

• M1: 114,592 km (0.062 R)
• M2: 399,426 km (0.028 R)
• M3: 914,492 km (0.103 R)
• M4: 1,274,125 km (0.066 R)
• M5: 1,565,392 km (0.069 R)
• M6: 2,028,248 km (0.082 R)
• M7: 2,608,538 km (0.116 R)
• M8: 3,637,323 km (0.104 R)
• M9: 4,473,724 km (0.082 R)
• M10: 4,894,094 km (0.066 R)
• M11: 6,111,671 km (0.1 R)
• M12: 7,578,179 km (0.038 R)
• M13: 8,269,022 km (0.077 R)
• M14: 10,341,102 km (0.036 R)
• M15: 10,853,026 km (0.032 R)
• M16: 15,200,041 km (0.118 R)
• M17: 15,528,708 km (0.106 R)
• M18: 16,054,843 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 8.5

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.45 AU - 3.73 AU

Year: 3563 Days

Day: 9.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,878,276 km

• M1: 111,002 km (0.09 R)
• M2: 383,719 km (0.09 R)
• M3: 874,400 km (0.075 R)
• M4: 1,146,368 km (0.08 R)
• M5: 1,413,401 km (0.067 R)
• M6: 1,722,619 km (0.12 R)
• M7: 2,286,454 km (0.099 R)
• M8: 2,815,282 km (0.083 R)
• M9: 3,945,345 km (0.079 R)
• M10: 4,473,276 km (0.109 R)
• M11: 5,022,449 km (0.074 R)
• M12: 5,404,522 km (0.074 R)
• M13: 5,696,837 km (0.12 R)
• M14: 6,518,727 km (0.106 R)
• M15: 7,646,097 km (0.119 R)
• M16: 8,361,175 km (0.058 R)
• M17: 9,045,734 km (0.106 R)
• M18: 10,815,926 km (0.119 R)
• M19: 12,072,099 km (0.09 R)
• M20: 14,614,814 km (0.109 R)
• M21: 15,929,929 km (0.069 R)
• M22: 19,220,334 km (0.116 R)
• M23: 20,029,659 km (0.099 R)
• M24: 20,410,685 km (0.095 R)
• M25: 21,916,537 km (0.046 R)
• M26: 22,253,581 km (0.058 R)
• M27: 23,145,783 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.3

Radius: 14.1

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.61 AU - 3.63 AU

Year: 3615 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,878,276 km

• M1: 175,329 km (0.061 R)
• M2: 616,792 km (0.11 R)
• M3: 1,438,533 km (0.119 R)
• M4: 2,248,456 km (0.074 R)
• M5: 3,523,778 km (0.08 R)
• M6: 4,117,083 km (0.042 R)
• M7: 4,727,442 km (0.055 R)
• M8: 6,833,481 km (0.12 R)
• M9: 8,328,113 km (0.048 R)
• M10: 9,826,785 km (0.075 R)
• M11: 11,229,863 km (0.113 R)
• M12: 13,105,222 km (0.082 R)
• M13: 13,808,482 km (0.071 R)
• M14: 14,326,090 km (0.109 R)
• M15: 14,964,425 km (0.068 R)
• M16: 20,707,487 km (0.075 R)
• M17: 22,503,858 km (0.119 R)
• M18: 23,880,906 km (0.084 R)
• M19: 24,402,255 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 10.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.21 AU - 6.17 AU

Year: 7756 Days

Day: 13.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,878,276 km

• M1: 170,542 km (0.07 R)
• M2: 491,728 km (0.096 R)
• M3: 904,170 km (0.108 R)
• M4: 3,615,033 km (0.067 R)
• M5: 4,797,903 km (0.089 R)
• M6: 10,553,232 km (0.063 R)
• M7: 11,084,305 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.3

Radius: 12.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.35 AU - 7.13 AU

Year: 9021 Days

Day: 5.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,878,276 km

• M1: 154,235 km (0.058 R)
• M2: 642,373 km (0.056 R)
• M3: 1,197,830 km (0.088 R)
• M4: 1,682,527 km (0.092 R)
• M5: 2,874,822 km (0.079 R)
• M6: 3,640,763 km (0.075 R)
• M7: 4,294,506 km (0.1 R)
• M8: 4,995,671 km (0.1 R)
• M9: 5,739,322 km (0.082 R)
• M10: 6,734,896 km (0.041 R)
• M11: 7,486,326 km (0.063 R)
• M12: 9,023,145 km (0.066 R)
• M13: 10,174,600 km (0.082 R)
• M14: 11,113,476 km (0.072 R)
• M15: 14,217,782 km (0.045 R)
• M16: 15,013,642 km (0.114 R)
• M17: 15,454,358 km (0.114 R)
• M18: 16,230,023 km (0.119 R)
• M19: 16,828,564 km (0.039 R)
• M20: 17,929,155 km (0.067 R)
• M21: 19,445,778 km (0.096 R)
• M22: 20,121,213 km (0.087 R)
• M23: 21,999,414 km (0.105 R)
• M24: 23,398,603 km (0.078 R)
• M25: 26,373,656 km (0.087 R)
• M26: 27,669,024 km (0.11 R)
• M27: 30,386,319 km (0.109 R)
• M28: 31,809,594 km (0.105 R)
• M29: 32,537,537 km (0.119 R)
• M30: 34,569,974 km (0.073 R)
• M31: 35,784,409 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.1

Radius: 4

Gravity: 22.01 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.65 AU - 7.03 AU

Year: 11735 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,878,276 km

• M1: 49,816 km (0.065 R)
• M2: 193,729 km (0.027 R)
• M3: 391,049 km (0.077 R)
• M4: 555,457 km (0.036 R)
• M5: 1,006,644 km (0.115 R)
• M6: 1,383,481 km (0.118 R)
• M7: 1,653,954 km (0.114 R)
• M8: 3,325,261 km (0.093 R)
• M9: 4,339,834 km (0.057 R)
• M10: 4,593,851 km (0.113 R)
• M11: 5,039,055 km (0.11 R)
• M12: 5,676,641 km (0.057 R)
• M13: 5,844,041 km (0.119 R)
• M14: 6,768,556 km (0.097 R)
• M15: 7,827,709 km (0.104 R)
• M16: 8,289,218 km (0.096 R)
• M17: 8,548,471 km (0.114 R)
• M18: 9,266,242 km (0.088 R)
• M19: 9,451,893 km (0.081 R)
• M20: 10,821,012 km (0.103 R)
• M21: 13,230,884 km (0.1 R)
• M22: 14,189,208 km (0.052 R)
• M23: 15,192,861 km (0.073 R)
• M24: 16,108,998 km (0.118 R)
• M25: 16,717,113 km (0.108 R)
• M26: 18,267,695 km (0.117 R)
• M27: 18,854,568 km (0.075 R)
• M28: 21,896,341 km (0.119 R)
• M29: 26,625,728 km (0.103 R)
• M30: 37,330,802 km (0.116 R)
• M31: 39,964,323 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.2

Radius: 5.5

Gravity: 18.19 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.4 AU - 8.4 AU

Year: 15971 Days

Day: 23.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,878,276 km

• M1: 68,366 km (0.119 R)
• M2: 269,575 km (0.103 R)
• M3: 715,975 km (0.06 R)
• M4: 919,578 km (0.04 R)
• M5: 1,710,203 km (0.116 R)
• M6: 1,933,104 km (0.097 R)
• M7: 2,175,153 km (0.12 R)
• M8: 2,437,398 km (0.089 R)
• M9: 3,249,565 km (0.091 R)
• M10: 4,138,027 km (0.105 R)
• M11: 5,039,354 km (0.119 R)
• M12: 6,585,448 km (0.077 R)
• M13: 7,624,106 km (0.086 R)
• M14: 8,278,148 km (0.073 R)
• M15: 11,211,762 km (0.079 R)
• M16: 12,305,173 km (0.117 R)
• M17: 12,877,684 km (0.09 R)
• M18: 14,351,672 km (0.098 R)
• M19: 16,159,263 km (0.117 R)
• M20: 16,845,468 km (0.101 R)
• M21: 17,870,812 km (0.084 R)
• M22: 23,724,427 km (0.098 R)
• M23: 24,709,978 km (0.029 R)
• M24: 28,594,137 km (0.108 R)
• M25: 36,888,591 km (0.113 R)
• M26: 41,226,780 km (0.119 R)
• M27: 41,649,992 km (0.051 R)
• M28: 41,933,929 km (0.116 R)
• M29: 42,937,431 km (0.051 R)
• M30: 52,535,182 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 13,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit