🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 13.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.91 AU - 1.11 AU

Year: 655 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,112,984 km

• M1: 170,392 km (0.104 R)
• M2: 716,275 km (0.057 R)
• M3: 1,359,396 km (0.116 R)
• M4: 1,937,292 km (0.118 R)
• M5: 2,767,411 km (0.061 R)
• M6: 4,312,607 km (0.116 R)
• M7: 5,179,826 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.7

Radius: 8.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.52 AU - 1.84 AU

Year: 1406 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,112,984 km

• M1: 108,159 km (0.077 R)
• M2: 586,124 km (0.111 R)
• M3: 1,278,763 km (0.051 R)
• M4: 2,718,493 km (0.089 R)
• M5: 3,057,780 km (0.074 R)
• M6: 5,959,381 km (0.111 R)
• M7: 7,214,208 km (0.108 R)
• M8: 7,653,427 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.6

Radius: 9.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.9 AU - 2.12 AU

Year: 1840 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 163.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,112,984 km

• M1: 117,584 km (0.054 R)
• M2: 450,589 km (0.115 R)
• M3: 891,903 km (0.118 R)
• M4: 1,194,090 km (0.058 R)
• M5: 1,630,617 km (0.116 R)
• M6: 1,929,214 km (0.077 R)
• M7: 2,409,723 km (0.051 R)
• M8: 2,855,823 km (0.09 R)
• M9: 3,371,786 km (0.11 R)
• M10: 3,828,359 km (0.086 R)
• M11: 4,667,902 km (0.115 R)
• M12: 5,299,804 km (0.091 R)
• M13: 6,269,198 km (0.059 R)
• M14: 7,326,107 km (0.105 R)
• M15: 7,813,796 km (0.053 R)
• M16: 8,615,341 km (0.044 R)
• M17: 10,115,509 km (0.052 R)
• M18: 10,448,813 km (0.11 R)
• M19: 11,709,773 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 8.9

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.41 AU - 2.83 AU

Year: 2738 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 161 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,112,984 km

• M1: 110,702 km (0.118 R)
• M2: 441,912 km (0.049 R)
• M3: 907,610 km (0.082 R)
• M4: 1,282,054 km (0.102 R)
• M5: 1,594,713 km (0.109 R)
• M6: 1,970,802 km (0.07 R)
• M7: 2,335,821 km (0.089 R)
• M8: 3,414,123 km (0.093 R)
• M9: 4,333,551 km (0.067 R)
• M10: 4,839,790 km (0.113 R)
• M11: 5,360,391 km (0.071 R)
• M12: 6,237,932 km (0.084 R)
• M13: 7,542,874 km (0.117 R)
• M14: 8,643,017 km (0.11 R)
• M15: 9,055,758 km (0.058 R)
• M16: 9,553,918 km (0.093 R)
• M17: 10,221,125 km (0.105 R)
• M18: 11,648,438 km (0.073 R)
• M19: 13,844,834 km (0.111 R)
• M20: 14,942,434 km (0.103 R)
• M21: 15,537,684 km (0.106 R)
• M22: 16,669,840 km (0.115 R)
• M23: 18,077,556 km (0.059 R)
• M24: 19,563,063 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.8

Radius: 9.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.51 AU - 3.01 AU

Year: 2961 Days

Day: 12.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,112,984 km

• M1: 115,789 km (0.072 R)
• M2: 697,425 km (0.103 R)
• M3: 1,035,965 km (0.103 R)
• M4: 2,493,198 km (0.063 R)
• M5: 2,954,408 km (0.115 R)
• M6: 4,428,097 km (0.054 R)
• M7: 5,782,406 km (0.094 R)
• M8: 7,366,498 km (0.073 R)
• M9: 8,021,887 km (0.072 R)
• M10: 9,253,526 km (0.115 R)
• M11: 10,642,393 km (0.036 R)
• M12: 11,479,841 km (0.086 R)
• M13: 12,126,403 km (0.081 R)
• M14: 14,560,510 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.9

Radius: 9.5

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.47 AU - 4.07 AU

Year: 3818 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,112,984 km

• M1: 118,182 km (0.057 R)
• M2: 426,055 km (0.093 R)
• M3: 843,134 km (0.112 R)
• M4: 1,693,897 km (0.068 R)
• M5: 1,992,644 km (0.039 R)
• M6: 2,311,736 km (0.055 R)
• M7: 3,688,635 km (0.031 R)
• M8: 4,173,930 km (0.083 R)
• M9: 4,852,656 km (0.105 R)
• M10: 5,326,582 km (0.108 R)
• M11: 5,918,391 km (0.088 R)
• M12: 7,746,776 km (0.052 R)
• M13: 8,847,368 km (0.091 R)
• M14: 9,395,195 km (0.1 R)
• M15: 10,908,228 km (0.095 R)
• M16: 11,310,497 km (0.074 R)
• M17: 12,432,032 km (0.103 R)
• M18: 12,920,618 km (0.041 R)
• M19: 14,463,571 km (0.109 R)
• M20: 15,279,478 km (0.111 R)
• M21: 16,472,970 km (0.114 R)
• M22: 19,044,557 km (0.106 R)
• M23: 21,037,500 km (0.12 R)
• M24: 24,738,401 km (0.112 R)
• M25: 26,380,986 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.9

Radius: 3.2

Gravity: 38.56 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.19 AU - 12.65 AU

Year: 23300 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,112,984 km

• M1: 42,486 km (0.1 R)
• M2: 441,763 km (0.093 R)
• M3: 679,474 km (0.047 R)
• M4: 848,669 km (0.092 R)
• M5: 1,161,179 km (0.073 R)
• M6: 1,561,652 km (0.027 R)
• M7: 1,912,908 km (0.1 R)
• M8: 2,793,890 km (0.089 R)
• M9: 3,824,470 km (0.111 R)
• M10: 5,495,328 km (0.099 R)
• M11: 5,689,207 km (0.115 R)
• M12: 5,847,631 km (0.087 R)
• M13: 7,837,881 km (0.077 R)
• M14: 14,212,994 km (0.079 R)
• M15: 14,578,163 km (0.112 R)
• M16: 24,178,008 km (0.074 R)
• M17: 24,281,530 km (0.09 R)
• M18: 27,636,860 km (0.099 R)
• M19: 40,106,740 km (0.119 R)
• M20: 40,251,701 km (0.108 R)
• M21: 42,770,480 km (0.036 R)
• M22: 53,720,147 km (0.082 R)
• M23: 64,191,698 km (0.048 R)
• M24: 64,390,065 km (0.037 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 17,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit