🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 8.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 11.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,417,495 km

• M1: 110,403 km (0.112 R)
• M2: 414,087 km (0.109 R)
• M3: 798,853 km (0.052 R)
• M4: 1,101,040 km (0.112 R)
• M5: 1,566,738 km (0.115 R)
• M6: 2,044,554 km (0.057 R)
• M7: 2,343,750 km (0.055 R)
• M8: 2,818,723 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 9.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.59 AU - 0.97 AU

Year: 476 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 148.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,417,495 km

• M1: 118,182 km (0.116 R)
• M2: 536,458 km (0.088 R)
• M3: 848,519 km (0.076 R)
• M4: 1,181,374 km (0.115 R)
• M5: 1,909,467 km (0.097 R)
• M6: 2,683,187 km (0.082 R)
• M7: 3,120,612 km (0.113 R)
• M8: 3,488,024 km (0.081 R)
• M9: 4,796,557 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.4

Radius: 8.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.14 AU - 1.7 AU

Year: 1168 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 119.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,417,495 km

• M1: 100,829 km (0.088 R)
• M2: 482,453 km (0.102 R)
• M3: 738,415 km (0.11 R)
• M4: 1,007,242 km (0.096 R)
• M5: 1,363,884 km (0.099 R)
• M6: 1,668,914 km (0.062 R)
• M7: 2,047,696 km (0.113 R)
• M8: 2,740,483 km (0.092 R)
• M9: 3,192,419 km (0.055 R)
• M10: 3,664,849 km (0.1 R)
• M11: 3,985,287 km (0.119 R)
• M12: 4,582,632 km (0.053 R)
• M13: 4,920,424 km (0.055 R)
• M14: 5,551,427 km (0.082 R)
• M15: 6,587,093 km (0.081 R)
• M16: 7,150,778 km (0.118 R)
• M17: 8,226,537 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.5

Radius: 13.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.25 AU - 1.79 AU

Year: 1294 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,417,495 km

• M1: 164,408 km (0.086 R)
• M2: 617,540 km (0.114 R)
• M3: 1,336,956 km (0.117 R)
• M4: 2,138,053 km (0.048 R)
• M5: 2,636,064 km (0.103 R)
• M6: 3,239,542 km (0.074 R)
• M7: 4,147,601 km (0.106 R)
• M8: 4,580,836 km (0.092 R)
• M9: 5,199,424 km (0.09 R)
• M10: 5,767,447 km (0.117 R)
• M11: 6,489,855 km (0.068 R)
• M12: 7,571,298 km (0.085 R)
• M13: 8,036,248 km (0.086 R)
• M14: 9,023,893 km (0.113 R)
• M15: 9,726,106 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 12

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.07 AU - 2.23 AU

Year: 2176 Days

Day: 9.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,417,495 km

• M1: 149,448 km (0.103 R)
• M2: 525,388 km (0.109 R)
• M3: 914,641 km (0.11 R)
• M4: 1,396,047 km (0.091 R)
• M5: 2,034,232 km (0.033 R)
• M6: 2,455,948 km (0.086 R)
• M7: 2,829,345 km (0.096 R)
• M8: 3,375,676 km (0.038 R)
• M9: 5,214,832 km (0.048 R)
• M10: 6,298,818 km (0.108 R)
• M11: 6,728,314 km (0.088 R)
• M12: 7,206,129 km (0.026 R)
• M13: 8,261,393 km (0.096 R)
• M14: 8,711,383 km (0.037 R)
• M15: 9,660,731 km (0.096 R)
• M16: 11,096,272 km (0.102 R)
• M17: 11,764,676 km (0.08 R)
• M18: 13,268,882 km (0.088 R)
• M19: 15,565,808 km (0.094 R)
• M20: 16,504,385 km (0.059 R)
• M21: 16,910,693 km (0.118 R)
• M22: 17,428,002 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.9

Radius: 5.4

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.57 AU - 10.13 AU

Year: 16655 Days

Day: 19.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,417,495 km

• M1: 67,469 km (0.056 R)
• M2: 356,193 km (0.119 R)
• M3: 527,332 km (0.098 R)
• M4: 1,329,925 km (0.096 R)
• M5: 1,644,380 km (0.053 R)
• M6: 2,338,514 km (0.059 R)
• M7: 2,867,492 km (0.085 R)
• M8: 3,135,123 km (0.071 R)
• M9: 3,340,221 km (0.115 R)
• M10: 3,863,365 km (0.066 R)
• M11: 4,159,868 km (0.103 R)
• M12: 4,344,921 km (0.099 R)
• M13: 5,211,391 km (0.112 R)
• M14: 5,536,617 km (0.063 R)
• M15: 5,760,864 km (0.091 R)
• M16: 6,593,825 km (0.079 R)
• M17: 7,017,487 km (0.109 R)
• M18: 8,013,210 km (0.071 R)
• M19: 8,446,595 km (0.1 R)
• M20: 8,844,675 km (0.113 R)
• M21: 9,840,548 km (0.09 R)
• M22: 10,677,698 km (0.12 R)
• M23: 12,366,059 km (0.109 R)
• M24: 15,075,277 km (0.083 R)
• M25: 28,624,206 km (0.105 R)
• M26: 29,070,457 km (0.071 R)
• M27: 30,321,394 km (0.117 R)
• M28: 30,901,684 km (0.104 R)
• M29: 35,556,272 km (0.064 R)
• M30: 42,943,565 km (0.11 R)
• M31: 47,614,309 km (0.105 R)
• M32: 49,509,715 km (0.102 R)
• M33: 52,612,524 km (0.118 R)
• M34: 54,808,770 km (0.08 R)
• M35: 56,889,527 km (0.096 R)
• M36: 57,771,855 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.8

Radius: 4.7

Gravity: 25.61 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.98 AU - 9.78 AU

Year: 16745 Days

Day: 21.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,417,495 km

• M1: 127,757 km (0.114 R)
• M2: 327,769 km (0.043 R)
• M3: 662,120 km (0.093 R)
• M4: 978,819 km (0.111 R)
• M5: 1,291,778 km (0.077 R)
• M6: 2,213,450 km (0.079 R)
• M7: 2,592,980 km (0.096 R)
• M8: 3,114,179 km (0.06 R)
• M9: 4,554,208 km (0.05 R)
• M10: 9,279,257 km (0.104 R)
• M11: 9,924,772 km (0.074 R)
• M12: 10,090,676 km (0.064 R)
• M13: 10,831,484 km (0.079 R)
• M14: 11,244,973 km (0.093 R)
• M15: 13,472,186 km (0.092 R)
• M16: 14,298,714 km (0.119 R)
• M17: 16,589,955 km (0.088 R)
• M18: 16,823,777 km (0.105 R)
• M19: 18,026,693 km (0.105 R)
• M20: 18,691,057 km (0.091 R)
• M21: 25,216,067 km (0.099 R)
• M22: 25,733,078 km (0.108 R)
• M23: 26,151,653 km (0.083 R)
• M24: 29,437,121 km (0.065 R)
• M25: 29,665,407 km (0.118 R)
• M26: 39,244,159 km (0.073 R)
• M27: 42,358,637 km (0.049 R)
• M28: 43,235,879 km (0.08 R)
• M29: 46,865,722 km (0.095 R)
• M30: 49,395,422 km (0.078 R)
• M31: 62,848,908 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 14,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit