🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 13.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1 AU - 1.42 AU

Year: 903 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,569,876 km

• M1: 165,455 km (0.052 R)
• M2: 595,549 km (0.112 R)
• M3: 1,880,894 km (0.099 R)
• M4: 2,523,716 km (0.112 R)
• M5: 3,309,853 km (0.099 R)
• M6: 3,828,808 km (0.053 R)
• M7: 5,466,007 km (0.114 R)
• M8: 6,006,953 km (0.094 R)
• M9: 7,362,160 km (0.053 R)
• M10: 9,075,654 km (0.037 R)
• M11: 9,578,452 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 15

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.73 AU - 3.69 AU

Year: 3901 Days

Day: 13.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,569,876 km

• M1: 186,549 km (0.089 R)
• M2: 693,386 km (0.025 R)
• M3: 1,187,508 km (0.081 R)
• M4: 1,685,669 km (0.082 R)
• M5: 2,311,885 km (0.109 R)
• M6: 3,074,087 km (0.085 R)
• M7: 3,726,333 km (0.111 R)
• M8: 5,390,610 km (0.118 R)
• M9: 6,168,519 km (0.048 R)
• M10: 6,646,035 km (0.099 R)
• M11: 8,589,311 km (0.112 R)
• M12: 9,148,508 km (0.056 R)
• M13: 10,298,916 km (0.07 R)
• M14: 10,973,752 km (0.112 R)
• M15: 12,459,259 km (0.109 R)
• M16: 14,801,363 km (0.113 R)
• M17: 16,385,455 km (0.114 R)
• M18: 18,019,812 km (0.046 R)
• M19: 19,252,049 km (0.114 R)
• M20: 24,525,374 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335

Radius: 15

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.22 AU - 4.42 AU

Year: 5064 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,569,876 km

• M1: 186,549 km (0.07 R)
• M2: 842,236 km (0.037 R)
• M3: 1,315,863 km (0.045 R)
• M4: 1,839,306 km (0.056 R)
• M5: 3,056,434 km (0.114 R)
• M6: 3,553,249 km (0.083 R)
• M7: 5,354,407 km (0.095 R)
• M8: 6,368,830 km (0.087 R)
• M9: 7,155,865 km (0.108 R)
• M10: 8,041,035 km (0.06 R)
• M11: 9,221,063 km (0.047 R)
• M12: 9,716,382 km (0.064 R)
• M13: 11,968,428 km (0.071 R)
• M14: 12,838,040 km (0.104 R)
• M15: 15,540,676 km (0.09 R)
• M16: 16,025,522 km (0.118 R)
• M17: 16,520,542 km (0.095 R)
• M18: 17,082,431 km (0.108 R)
• M19: 17,773,573 km (0.086 R)
• M20: 18,483,266 km (0.09 R)
• M21: 19,520,877 km (0.102 R)
• M22: 23,637,212 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.5

Radius: 9.8

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.88 AU - 5.14 AU

Year: 6496 Days

Day: 7.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,569,876 km

• M1: 123,568 km (0.047 R)
• M2: 524,939 km (0.076 R)
• M3: 926,460 km (0.107 R)
• M4: 2,827,699 km (0.118 R)
• M5: 3,346,804 km (0.073 R)
• M6: 3,830,902 km (0.09 R)
• M7: 4,387,706 km (0.109 R)
• M8: 5,055,660 km (0.114 R)
• M9: 8,505,387 km (0.111 R)
• M10: 8,928,001 km (0.085 R)
• M11: 9,861,192 km (0.027 R)
• M12: 10,470,804 km (0.073 R)
• M13: 11,973,215 km (0.102 R)
• M14: 15,400,802 km (0.115 R)
• M15: 20,691,629 km (0.113 R)
• M16: 25,137,678 km (0.117 R)
• M17: 25,483,848 km (0.099 R)
• M18: 29,505,487 km (0.105 R)
• M19: 32,888,942 km (0.108 R)
• M20: 34,036,807 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376

Radius: 4.5

Gravity: 18.57 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.35 AU - 10.29 AU

Year: 17766 Days

Day: 17.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,569,876 km

• M1: 55,950 km (0.096 R)
• M2: 210,484 km (0.094 R)
• M3: 456,722 km (0.101 R)
• M4: 660,026 km (0.11 R)
• M5: 891,454 km (0.093 R)
• M6: 1,239,119 km (0.082 R)
• M7: 1,752,838 km (0.081 R)
• M8: 1,940,584 km (0.07 R)
• M9: 2,716,997 km (0.1 R)
• M10: 2,898,908 km (0.049 R)
• M11: 3,546,966 km (0.078 R)
• M12: 4,855,648 km (0.065 R)
• M13: 5,838,655 km (0.082 R)
• M14: 6,617,462 km (0.109 R)
• M15: 7,551,401 km (0.074 R)
• M16: 7,957,709 km (0.111 R)
• M17: 8,570,013 km (0.055 R)
• M18: 8,764,640 km (0.103 R)
• M19: 9,366,173 km (0.101 R)
• M20: 9,835,162 km (0.062 R)
• M21: 10,932,912 km (0.078 R)
• M22: 15,777,938 km (0.084 R)
• M23: 16,292,106 km (0.038 R)
• M24: 17,431,593 km (0.093 R)
• M25: 17,822,941 km (0.116 R)
• M26: 18,786,052 km (0.076 R)
• M27: 20,467,382 km (0.112 R)
• M28: 26,312,919 km (0.066 R)
• M29: 30,395,295 km (0.079 R)
• M30: 30,734,583 km (0.047 R)
• M31: 34,511,182 km (0.104 R)
• M32: 37,409,042 km (0.116 R)
• M33: 38,059,793 km (0.12 R)
• M34: 39,921,987 km (0.047 R)
• M35: 41,704,745 km (0.111 R)
• M36: 42,686,256 km (0.112 R)
• M37: 45,134,126 km (0.104 R)
• M38: 49,211,416 km (0.108 R)
• M39: 49,679,059 km (0.118 R)
• M40: 51,259,262 km (0.057 R)
• M41: 57,225,524 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 19,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit