🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 9.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.57 AU - 0.59 AU

Year: 295 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 72.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,800,180 km

• M1: 115,639 km (0.12 R)
• M2: 405,111 km (0.062 R)
• M3: 828,473 km (0.117 R)
• M4: 1,217,727 km (0.091 R)
• M5: 1,734,288 km (0.103 R)
• M6: 2,138,502 km (0.055 R)
• M7: 2,562,761 km (0.119 R)
• M8: 2,931,071 km (0.109 R)
• M9: 3,354,583 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 10.9

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,800,180 km

• M1: 135,536 km (0.071 R)
• M2: 496,366 km (0.074 R)
• M3: 961,166 km (0.113 R)
• M4: 1,504,805 km (0.118 R)
• M5: 1,867,729 km (0.042 R)
• M6: 2,254,889 km (0.091 R)
• M7: 2,647,434 km (0.115 R)
• M8: 3,260,785 km (0.083 R)
• M9: 3,777,945 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 9.1

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.72 AU - 0.74 AU

Year: 416 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,800,180 km

• M1: 113,246 km (0.11 R)
• M2: 595,848 km (0.058 R)
• M3: 896,390 km (0.087 R)
• M4: 1,283,101 km (0.037 R)
• M5: 1,639,293 km (0.059 R)
• M6: 2,078,214 km (0.08 R)
• M7: 2,486,466 km (0.041 R)
• M8: 2,904,443 km (0.097 R)
• M9: 3,216,354 km (0.098 R)
• M10: 3,908,244 km (0.104 R)
• M11: 4,374,691 km (0.083 R)
• M12: 4,786,234 km (0.116 R)
• M13: 5,223,658 km (0.103 R)
• M14: 5,911,958 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.9

Radius: 12.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.29 AU - 1.89 AU

Year: 1337 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,800,180 km

• M1: 159,771 km (0.1 R)
• M2: 581,188 km (0.116 R)
• M3: 1,317,060 km (0.082 R)
• M4: 1,857,258 km (0.114 R)
• M5: 3,646,747 km (0.108 R)
• M6: 4,426,302 km (0.108 R)
• M7: 5,168,606 km (0.042 R)
• M8: 5,924,225 km (0.077 R)
• M9: 7,259,237 km (0.072 R)
• M10: 7,709,975 km (0.09 R)
• M11: 11,374,973 km (0.104 R)
• M12: 11,839,175 km (0.12 R)
• M13: 12,390,593 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.2

Radius: 9.3

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.47 AU - 2.29 AU

Year: 1719 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,800,180 km

• M1: 115,639 km (0.093 R)
• M2: 420,819 km (0.032 R)
• M3: 788,381 km (0.113 R)
• M4: 1,706,912 km (0.039 R)
• M5: 2,330,735 km (0.042 R)
• M6: 2,953,511 km (0.101 R)
• M7: 3,716,759 km (0.12 R)
• M8: 4,099,730 km (0.102 R)
• M9: 4,470,732 km (0.093 R)
• M10: 5,090,068 km (0.1 R)
• M11: 5,607,975 km (0.094 R)
• M12: 6,160,740 km (0.097 R)
• M13: 7,321,320 km (0.106 R)
• M14: 8,443,753 km (0.099 R)
• M15: 9,453,089 km (0.035 R)
• M16: 10,003,610 km (0.116 R)
• M17: 11,636,919 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.7

Radius: 14.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.75 AU - 2.41 AU

Year: 2000 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,800,180 km

• M1: 177,273 km (0.087 R)
• M2: 656,286 km (0.114 R)
• M3: 1,309,879 km (0.099 R)
• M4: 1,806,544 km (0.073 R)
• M5: 2,532,393 km (0.032 R)
• M6: 3,207,827 km (0.111 R)
• M7: 3,661,857 km (0.103 R)
• M8: 4,252,918 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 9.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.06 AU - 2.8 AU

Year: 2526 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,800,180 km

• M1: 121,922 km (0.058 R)
• M2: 452,982 km (0.108 R)
• M3: 1,254,827 km (0.119 R)
• M4: 1,865,485 km (0.09 R)
• M5: 2,690,069 km (0.106 R)
• M6: 4,548,374 km (0.06 R)
• M7: 5,891,463 km (0.107 R)
• M8: 6,336,816 km (0.079 R)
• M9: 6,880,604 km (0.08 R)
• M10: 7,428,282 km (0.106 R)
• M11: 8,910,199 km (0.073 R)
• M12: 10,614,119 km (0.067 R)
• M13: 11,239,438 km (0.083 R)
• M14: 12,298,142 km (0.053 R)
• M15: 13,302,542 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 13.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3 AU - 4.2 AU

Year: 4555 Days

Day: 12.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,800,180 km

• M1: 168,746 km (0.065 R)
• M2: 596,596 km (0.086 R)
• M3: 1,178,233 km (0.045 R)
• M4: 2,081,056 km (0.106 R)
• M5: 2,567,997 km (0.12 R)
• M6: 3,095,928 km (0.113 R)
• M7: 3,920,063 km (0.066 R)
• M8: 4,601,481 km (0.113 R)
• M9: 6,729,660 km (0.031 R)
• M10: 7,255,646 km (0.095 R)
• M11: 8,460,657 km (0.079 R)
• M12: 9,037,357 km (0.1 R)
• M13: 9,601,640 km (0.075 R)
• M14: 10,635,810 km (0.037 R)
• M15: 11,786,816 km (0.1 R)
• M16: 14,285,699 km (0.08 R)
• M17: 15,367,292 km (0.032 R)
• M18: 16,447,388 km (0.084 R)
• M19: 17,577,600 km (0.092 R)
• M20: 18,638,399 km (0.117 R)
• M21: 21,017,603 km (0.08 R)
• M22: 22,826,690 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.1

Radius: 3.4

Gravity: 69.9 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.56 AU - 8.8 AU

Year: 12830 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,800,180 km

• M1: 56,548 km (0.055 R)
• M2: 341,083 km (0.117 R)
• M3: 471,832 km (0.065 R)
• M4: 627,862 km (0.084 R)
• M5: 798,254 km (0.042 R)
• M6: 921,074 km (0.087 R)
• M7: 1,068,578 km (0.085 R)
• M8: 4,191,134 km (0.029 R)
• M9: 7,159,156 km (0.063 R)
• M10: 10,877,710 km (0.043 R)
• M11: 11,108,988 km (0.111 R)
• M12: 11,883,606 km (0.029 R)
• M13: 14,353,317 km (0.095 R)
• M14: 15,343,206 km (0.114 R)
• M15: 19,165,582 km (0.051 R)
• M16: 20,103,111 km (0.064 R)
• M17: 21,339,987 km (0.101 R)
• M18: 25,658,129 km (0.1 R)
• M19: 26,900,839 km (0.113 R)
• M20: 33,964,701 km (0.106 R)
• M21: 56,114,012 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 19,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit