🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 11.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.89 AU - 1.37 AU

Year: 764 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,466,958 km

• M1: 141,071 km (0.099 R)
• M2: 526,884 km (0.066 R)
• M3: 949,498 km (0.102 R)
• M4: 1,518,718 km (0.094 R)
• M5: 1,905,428 km (0.12 R)
• M6: 2,317,121 km (0.079 R)
• M7: 3,041,325 km (0.112 R)
• M8: 3,443,444 km (0.093 R)
• M9: 3,822,674 km (0.12 R)
• M10: 5,367,123 km (0.113 R)
• M11: 5,898,794 km (0.059 R)
• M12: 6,341,155 km (0.028 R)
• M13: 6,719,338 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 8.8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.97 AU - 1.53 AU

Year: 889 Days

Day: 12.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,466,958 km

• M1: 109,506 km (0.1 R)
• M2: 459,864 km (0.104 R)
• M3: 993,779 km (0.11 R)
• M4: 1,380,340 km (0.116 R)
• M5: 1,675,496 km (0.12 R)
• M6: 2,198,790 km (0.105 R)
• M7: 2,685,880 km (0.115 R)
• M8: 3,685,194 km (0.086 R)
• M9: 5,826,987 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 10.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.75 AU - 2.57 AU

Year: 2018 Days

Day: 13.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,466,958 km

• M1: 134,488 km (0.091 R)
• M2: 486,043 km (0.031 R)
• M3: 884,572 km (0.098 R)
• M4: 1,461,422 km (0.118 R)
• M5: 2,456,397 km (0.094 R)
• M6: 2,830,392 km (0.095 R)
• M7: 3,438,507 km (0.108 R)
• M8: 3,945,494 km (0.106 R)
• M9: 4,747,189 km (0.101 R)
• M10: 5,309,677 km (0.096 R)
• M11: 5,724,811 km (0.106 R)
• M12: 6,620,304 km (0.094 R)
• M13: 7,156,762 km (0.067 R)
• M14: 7,986,133 km (0.045 R)
• M15: 8,408,896 km (0.039 R)
• M16: 9,070,867 km (0.114 R)
• M17: 9,431,398 km (0.098 R)
• M18: 11,043,913 km (0.086 R)
• M19: 11,915,770 km (0.042 R)
• M20: 13,583,038 km (0.039 R)
• M21: 14,318,012 km (0.066 R)
• M22: 14,762,617 km (0.041 R)
• M23: 15,820,124 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 14.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.12 AU - 4.06 AU

Year: 4325 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,466,958 km

• M1: 179,069 km (0.094 R)
• M2: 726,597 km (0.11 R)
• M3: 1,368,521 km (0.102 R)
• M4: 1,889,421 km (0.116 R)
• M5: 3,201,694 km (0.08 R)
• M6: 3,909,890 km (0.112 R)
• M7: 4,401,618 km (0.086 R)
• M8: 4,910,550 km (0.108 R)
• M9: 6,329,636 km (0.098 R)
• M10: 7,072,838 km (0.072 R)
• M11: 8,986,194 km (0.088 R)
• M12: 10,360,401 km (0.105 R)
• M13: 11,914,573 km (0.099 R)
• M14: 13,619,390 km (0.072 R)
• M15: 16,283,279 km (0.053 R)
• M16: 18,675,200 km (0.117 R)
• M17: 19,645,342 km (0.088 R)
• M18: 20,969,283 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.8

Radius: 4.7

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.24 AU - 8.26 AU

Year: 15067 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,466,958 km

• M1: 58,493 km (0.1 R)
• M2: 394,190 km (0.075 R)
• M3: 655,837 km (0.067 R)
• M4: 997,070 km (0.104 R)
• M5: 1,649,466 km (0.113 R)
• M6: 2,295,131 km (0.108 R)
• M7: 2,724,028 km (0.103 R)
• M8: 3,523,329 km (0.095 R)
• M9: 5,507,446 km (0.117 R)
• M10: 6,807,451 km (0.107 R)
• M11: 9,483,458 km (0.116 R)
• M12: 10,825,650 km (0.077 R)
• M13: 11,128,885 km (0.034 R)
• M14: 13,412,795 km (0.099 R)
• M15: 14,359,301 km (0.075 R)
• M16: 17,882,181 km (0.114 R)
• M17: 19,027,054 km (0.091 R)
• M18: 20,990,526 km (0.098 R)
• M19: 22,263,604 km (0.08 R)
• M20: 23,756,441 km (0.05 R)
• M21: 31,100,649 km (0.113 R)
• M22: 32,962,694 km (0.077 R)
• M23: 34,244,598 km (0.064 R)
• M24: 35,337,859 km (0.09 R)
• M25: 36,116,816 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.7

Radius: 6

Gravity: 18.52 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.1 AU - 9.26 AU

Year: 17685 Days

Day: 23.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,466,958 km

• M1: 77,641 km (0.106 R)
• M2: 459,415 km (0.075 R)
• M3: 793,467 km (0.109 R)
• M4: 1,308,383 km (0.067 R)
• M5: 1,502,112 km (0.109 R)
• M6: 2,434,855 km (0.06 R)
• M7: 3,942,801 km (0.092 R)
• M8: 7,325,209 km (0.068 R)
• M9: 8,644,962 km (0.118 R)
• M10: 8,853,202 km (0.04 R)
• M11: 13,543,993 km (0.09 R)
• M12: 15,903,002 km (0.103 R)
• M13: 22,574,618 km (0.102 R)
• M14: 32,500,885 km (0.105 R)
• M15: 38,475,525 km (0.098 R)
• M16: 39,609,028 km (0.1 R)
• M17: 40,910,679 km (0.109 R)
• M18: 46,243,993 km (0.047 R)
• M19: 55,710,995 km (0.09 R)
• M20: 68,637,597 km (0.117 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: 217 - 10,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit