🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 13.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,756,700 km

• M1: 170,392 km (0.04 R)
• M2: 636,838 km (0.086 R)
• M3: 1,100,292 km (0.089 R)
• M4: 2,272,392 km (0.115 R)
• M5: 2,772,497 km (0.112 R)
• M6: 3,208,575 km (0.108 R)
• M7: 4,146,554 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 10.6

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.76 AU - 1.24 AU

Year: 678 Days

Day: 14.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,756,700 km

• M1: 131,796 km (0.036 R)
• M2: 671,395 km (0.056 R)
• M3: 1,017,415 km (0.083 R)
• M4: 1,479,074 km (0.109 R)
• M5: 1,824,346 km (0.079 R)
• M6: 2,244,267 km (0.107 R)
• M7: 2,671,369 km (0.118 R)
• M8: 3,922,606 km (0.117 R)
• M9: 4,432,435 km (0.115 R)
• M10: 8,104,913 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 9.1

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.01 AU - 3.29 AU

Year: 2926 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,756,700 km

• M1: 113,694 km (0.077 R)
• M2: 428,448 km (0.057 R)
• M3: 777,161 km (0.06 R)
• M4: 1,606,681 km (0.083 R)
• M5: 1,937,592 km (0.084 R)
• M6: 2,221,828 km (0.103 R)
• M7: 2,753,798 km (0.118 R)
• M8: 3,248,667 km (0.067 R)
• M9: 4,171,237 km (0.045 R)
• M10: 7,891,138 km (0.118 R)
• M11: 10,638,802 km (0.089 R)
• M12: 11,295,686 km (0.099 R)
• M13: 12,144,056 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.6

Radius: 5.2

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.83 AU - 7.63 AU

Year: 11842 Days

Day: 16.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,756,700 km

• M1: 64,626 km (0.095 R)
• M2: 487,839 km (0.106 R)
• M3: 1,200,822 km (0.1 R)
• M4: 1,390,363 km (0.077 R)
• M5: 2,468,664 km (0.107 R)
• M6: 2,858,965 km (0.106 R)
• M7: 3,811,155 km (0.087 R)
• M8: 4,666,556 km (0.112 R)
• M9: 5,643,131 km (0.082 R)
• M10: 5,873,661 km (0.109 R)
• M11: 6,353,721 km (0.115 R)
• M12: 11,967,082 km (0.115 R)
• M13: 12,183,699 km (0.12 R)
• M14: 12,962,955 km (0.094 R)
• M15: 15,435,807 km (0.1 R)
• M16: 15,692,667 km (0.111 R)
• M17: 15,887,144 km (0.076 R)
• M18: 16,480,449 km (0.111 R)
• M19: 23,248,407 km (0.077 R)
• M20: 38,034,810 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.9

Radius: 3.2

Gravity: 26.85 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.94 AU - 7.42 AU

Year: 13049 Days

Day: 22.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,756,700 km

• M1: 39,793 km (0.111 R)
• M2: 193,879 km (0.062 R)
• M3: 382,372 km (0.117 R)
• M4: 789,727 km (0.119 R)
• M5: 1,167,312 km (0.073 R)
• M6: 2,264,164 km (0.04 R)
• M7: 2,800,472 km (0.094 R)
• M8: 3,054,489 km (0.109 R)
• M9: 3,187,183 km (0.069 R)
• M10: 3,608,450 km (0.098 R)
• M11: 3,883,411 km (0.086 R)
• M12: 4,971,885 km (0.098 R)
• M13: 5,249,240 km (0.091 R)
• M14: 6,319,463 km (0.119 R)
• M15: 8,016,800 km (0.12 R)
• M16: 9,755,726 km (0.072 R)
• M17: 10,043,851 km (0.085 R)
• M18: 10,337,512 km (0.055 R)
• M19: 12,332,400 km (0.091 R)
• M20: 13,597,100 km (0.095 R)
• M21: 13,896,146 km (0.092 R)
• M22: 16,583,672 km (0.079 R)
• M23: 18,192,597 km (0.069 R)
• M24: 20,600,076 km (0.026 R)
• M25: 23,296,428 km (0.115 R)
• M26: 31,407,923 km (0.065 R)
• M27: 32,458,100 km (0.116 R)
• M28: 33,423,156 km (0.109 R)
• M29: 36,777,739 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683

Radius: 7.8

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.36 AU - 9.66 AU

Year: 18343 Days

Day: 21.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,756,700 km

• M1: 97,089 km (0.072 R)
• M2: 494,421 km (0.104 R)
• M3: 968,945 km (0.115 R)
• M4: 1,216,679 km (0.089 R)
• M5: 2,130,124 km (0.105 R)
• M6: 2,401,345 km (0.119 R)
• M7: 2,695,754 km (0.068 R)
• M8: 3,639,267 km (0.07 R)
• M9: 5,444,166 km (0.119 R)
• M10: 6,411,765 km (0.06 R)
• M11: 7,302,022 km (0.102 R)
• M12: 8,631,348 km (0.112 R)
• M13: 10,466,316 km (0.118 R)
• M14: 11,070,242 km (0.081 R)
• M15: 11,954,515 km (0.098 R)
• M16: 12,480,352 km (0.103 R)
• M17: 13,578,550 km (0.113 R)
• M18: 16,282,531 km (0.108 R)
• M19: 24,993,615 km (0.119 R)
• M20: 29,135,233 km (0.072 R)
• M21: 35,026,995 km (0.066 R)
• M22: 39,607,831 km (0.092 R)
• M23: 41,666,298 km (0.098 R)
• M24: 41,966,092 km (0.102 R)
• M25: 42,418,476 km (0.12 R)
• M26: 42,721,861 km (0.093 R)
• M27: 49,768,220 km (0.071 R)
• M28: 50,956,176 km (0.059 R)
• M29: 53,742,437 km (0.034 R)
• M30: 55,715,782 km (0.064 R)
• M31: 58,296,645 km (0.082 R)
• M32: 61,536,187 km (0.082 R)
• M33: 62,904,409 km (0.12 R)
• M34: 66,311,351 km (0.099 R)
• M35: 71,756,713 km (0.096 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: 447 - 13,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit