🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 10.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.44 AU - 0.7 AU

Year: 297 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,608,968 km

• M1: 162,463 km (0.088 R)
• M2: 411,843 km (0.09 R)
• M3: 670,797 km (0.106 R)
• M4: 1,196,783 km (0.031 R)
• M5: 1,549,385 km (0.083 R)
• M6: 1,929,065 km (0.087 R)
• M7: 2,140,746 km (0.098 R)
• M8: 2,817,975 km (0.052 R)
• M9: 3,021,877 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 10.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.64 AU - 0.68 AU

Year: 370 Days

Day: 5.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,608,968 km

• M1: 126,111 km (0.09 R)
• M2: 317,596 km (0.103 R)
• M3: 572,511 km (0.064 R)
• M4: 873,951 km (0.062 R)
• M5: 1,070,074 km (0.036 R)
• M6: 1,490,743 km (0.038 R)
• M7: 1,751,641 km (0.113 R)
• M8: 1,999,076 km (0.082 R)
• M9: 2,369,481 km (0.094 R)
• M10: 2,575,926 km (0.084 R)
• M11: 2,853,131 km (0.103 R)
• M12: 3,093,086 km (0.1 R)
• M13: 3,343,363 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 8

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.69 AU - 0.87 AU

Year: 476 Days

Day: 12.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,608,968 km

• M1: 103,223 km (0.086 R)
• M2: 312,660 km (0.12 R)
• M3: 692,788 km (0.107 R)
• M4: 874,848 km (0.075 R)
• M5: 1,535,024 km (0.073 R)
• M6: 1,865,037 km (0.116 R)
• M7: 2,099,905 km (0.076 R)
• M8: 2,960,093 km (0.072 R)
• M9: 3,313,294 km (0.08 R)
• M10: 3,576,885 km (0.088 R)
• M11: 3,815,942 km (0.096 R)
• M12: 4,153,286 km (0.043 R)
• M13: 4,600,284 km (0.069 R)
• M14: 4,793,415 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.1

Radius: 14.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.07 AU - 1.09 AU

Year: 775 Days

Day: 7 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,608,968 km

• M1: 185,801 km (0.067 R)
• M2: 537,056 km (0.099 R)
• M3: 824,733 km (0.067 R)
• M4: 1,197,531 km (0.099 R)
• M5: 1,542,504 km (0.12 R)
• M6: 1,882,240 km (0.084 R)
• M7: 2,184,279 km (0.112 R)
• M8: 2,692,163 km (0.103 R)
• M9: 3,147,090 km (0.114 R)
• M10: 3,436,413 km (0.03 R)
• M11: 3,719,153 km (0.119 R)
• M12: 4,003,389 km (0.096 R)
• M13: 4,406,704 km (0.07 R)
• M14: 4,716,821 km (0.117 R)
• M15: 5,049,676 km (0.086 R)
• M16: 5,552,624 km (0.102 R)
• M17: 5,876,204 km (0.084 R)
• M18: 6,170,463 km (0.102 R)
• M19: 6,512,145 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.2

Radius: 13.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.27 AU - 1.53 AU

Year: 1143 Days

Day: 8.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,608,968 km

• M1: 175,179 km (0.057 R)
• M2: 448,644 km (0.05 R)
• M3: 938,876 km (0.101 R)
• M4: 1,317,808 km (0.103 R)
• M5: 1,869,525 km (0.087 R)
• M6: 2,824,557 km (0.065 R)
• M7: 3,388,691 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.4

Radius: 10.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.1 AU - 1.82 AU

Year: 1218 Days

Day: 7.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,608,968 km

• M1: 129,851 km (0.092 R)
• M2: 350,807 km (0.087 R)
• M3: 731,234 km (0.114 R)
• M4: 1,094,757 km (0.076 R)
• M5: 1,483,712 km (0.11 R)
• M6: 2,016,280 km (0.104 R)
• M7: 4,015,805 km (0.102 R)
• M8: 4,480,307 km (0.063 R)
• M9: 4,929,100 km (0.069 R)
• M10: 5,140,332 km (0.062 R)
• M11: 5,429,056 km (0.098 R)
• M12: 6,648,728 km (0.067 R)
• M13: 7,382,805 km (0.081 R)
• M14: 7,852,542 km (0.098 R)
• M15: 8,101,921 km (0.11 R)
• M16: 8,428,494 km (0.117 R)
• M17: 9,063,088 km (0.074 R)
• M18: 9,369,763 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 15

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.45 AU - 1.93 AU

Year: 1516 Days

Day: 8.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,608,968 km

• M1: 187,297 km (0.07 R)
• M2: 622,926 km (0.059 R)
• M3: 903,571 km (0.069 R)
• M4: 1,357,750 km (0.039 R)
• M5: 1,950,607 km (0.11 R)
• M6: 2,261,920 km (0.112 R)
• M7: 2,587,594 km (0.076 R)
• M8: 2,925,386 km (0.077 R)
• M9: 3,248,368 km (0.06 R)
• M10: 4,197,866 km (0.081 R)
• M11: 4,765,440 km (0.091 R)
• M12: 5,275,120 km (0.087 R)
• M13: 5,662,728 km (0.115 R)
• M14: 6,711,858 km (0.116 R)
• M15: 7,186,831 km (0.079 R)
• M16: 7,678,709 km (0.097 R)
• M17: 8,107,756 km (0.08 R)
• M18: 8,773,915 km (0.106 R)
• M19: 9,531,329 km (0.083 R)
• M20: 10,276,027 km (0.09 R)
• M21: 10,772,991 km (0.069 R)
• M22: 11,731,315 km (0.09 R)
• M23: 12,116,530 km (0.074 R)
• M24: 12,434,126 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 8.7

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.37 AU - 3.17 AU

Year: 3182 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,608,968 km

• M1: 110,254 km (0.116 R)
• M2: 579,393 km (0.119 R)
• M3: 984,354 km (0.119 R)
• M4: 1,599,949 km (0.056 R)
• M5: 2,017,626 km (0.109 R)
• M6: 2,311,437 km (0.099 R)
• M7: 2,612,128 km (0.096 R)
• M8: 3,271,406 km (0.095 R)
• M9: 4,257,855 km (0.109 R)
• M10: 4,859,238 km (0.109 R)
• M11: 5,215,431 km (0.079 R)
• M12: 5,710,450 km (0.047 R)
• M13: 6,316,920 km (0.046 R)
• M14: 6,838,268 km (0.116 R)
• M15: 7,428,881 km (0.048 R)
• M16: 7,944,245 km (0.078 R)
• M17: 9,160,925 km (0.114 R)
• M18: 10,265,705 km (0.057 R)
• M19: 10,465,568 km (0.108 R)
• M20: 11,524,122 km (0.109 R)
• M21: 11,827,357 km (0.108 R)
• M22: 12,888,006 km (0.102 R)
• M23: 13,403,072 km (0.031 R)
• M24: 13,598,746 km (0.071 R)
• M25: 15,634,922 km (0.098 R)
• M26: 15,917,213 km (0.042 R)
• M27: 17,589,718 km (0.099 R)
• M28: 17,814,114 km (0.079 R)
• M29: 18,957,341 km (0.067 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461

Radius: 10.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.72 AU - 3.1 AU

Year: 3426 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,608,968 km

• M1: 304,880 km (0.109 R)
• M2: 1,436,439 km (0.067 R)
• M3: 2,067,143 km (0.101 R)
• M4: 2,747,814 km (0.119 R)
• M5: 3,530,659 km (0.077 R)
• M6: 4,662,666 km (0.074 R)
• M7: 4,857,293 km (0.078 R)
• M8: 7,634,578 km (0.12 R)
• M9: 10,172,506 km (0.093 R)
• M10: 10,901,795 km (0.089 R)
• M11: 12,595,991 km (0.045 R)
• M12: 12,885,014 km (0.07 R)
• M13: 13,505,995 km (0.115 R)
• M14: 13,872,211 km (0.085 R)
• M15: 14,107,977 km (0.111 R)
• M16: 15,993,209 km (0.096 R)
• M17: 20,202,295 km (0.116 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 14.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.05 AU - 4.79 AU

Year: 5357 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,608,968 km

• M1: 180,565 km (0.049 R)
• M2: 545,733 km (0.101 R)
• M3: 852,708 km (0.1 R)
• M4: 1,156,541 km (0.118 R)
• M5: 2,389,228 km (0.101 R)
• M6: 2,678,550 km (0.12 R)
• M7: 4,263,839 km (0.083 R)
• M8: 4,743,150 km (0.108 R)
• M9: 6,184,974 km (0.107 R)
• M10: 8,687,448 km (0.082 R)
• M11: 12,381,019 km (0.04 R)
• M12: 14,635,608 km (0.104 R)
• M13: 15,689,675 km (0.079 R)
• M14: 16,230,771 km (0.117 R)
• M15: 19,165,881 km (0.119 R)
• M16: 19,578,921 km (0.072 R)
• M17: 20,465,587 km (0.09 R)
• M18: 22,843,445 km (0.094 R)
• M19: 24,882,165 km (0.111 R)
• M20: 25,669,349 km (0.044 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: 376 - 18,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit