🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.7

Radius: 8.2

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.42 AU - 0.64 AU

Year: 262 Days

Day: 6.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,645,497 km

• M1: 102,026 km (0.109 R)
• M2: 385,813 km (0.111 R)
• M3: 918,381 km (0.092 R)
• M4: 1,197,082 km (0.106 R)
• M5: 1,473,838 km (0.078 R)
• M6: 1,945,670 km (0.048 R)
• M7: 2,635,914 km (0.094 R)
• M8: 2,965,628 km (0.115 R)
• M9: 3,333,041 km (0.116 R)
• M10: 3,900,764 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762

Radius: 12

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.69 AU - 0.91 AU

Year: 485 Days

Day: 14.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,645,497 km

• M1: 149,299 km (0.077 R)
• M2: 850,165 km (0.102 R)
• M3: 1,253,331 km (0.084 R)
• M4: 1,673,701 km (0.044 R)
• M5: 2,298,870 km (0.037 R)
• M6: 2,682,589 km (0.071 R)
• M7: 3,285,618 km (0.115 R)
• M8: 4,087,762 km (0.106 R)
• M9: 4,779,652 km (0.117 R)
• M10: 5,261,058 km (0.067 R)
• M11: 5,881,440 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.4

Radius: 9.4

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.72 AU - 1.98 AU

Year: 1707 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,645,497 km

• M1: 116,986 km (0.064 R)
• M2: 434,133 km (0.078 R)
• M3: 986,000 km (0.089 R)
• M4: 1,849,927 km (0.054 R)
• M5: 2,214,348 km (0.1 R)
• M6: 2,755,443 km (0.081 R)
• M7: 3,332,442 km (0.034 R)
• M8: 3,857,680 km (0.052 R)
• M9: 4,477,913 km (0.103 R)
• M10: 5,230,690 km (0.108 R)
• M11: 7,266,118 km (0.094 R)
• M12: 9,371,110 km (0.077 R)
• M13: 9,990,146 km (0.119 R)
• M14: 10,381,643 km (0.065 R)
• M15: 11,774,549 km (0.049 R)
• M16: 14,697,991 km (0.092 R)
• M17: 16,011,311 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.9

Radius: 9.1

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.07 AU - 4.71 AU

Year: 6239 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,645,497 km

• M1: 113,246 km (0.12 R)
• M2: 406,757 km (0.058 R)
• M3: 882,627 km (0.088 R)
• M4: 1,456,934 km (0.03 R)
• M5: 2,295,430 km (0.109 R)
• M6: 2,783,867 km (0.081 R)
• M7: 3,153,822 km (0.071 R)
• M8: 6,465,919 km (0.102 R)
• M9: 7,260,583 km (0.03 R)
• M10: 7,663,001 km (0.073 R)
• M11: 8,919,025 km (0.107 R)
• M12: 14,858,958 km (0.098 R)
• M13: 17,636,392 km (0.104 R)
• M14: 24,438,458 km (0.073 R)
• M15: 30,581,844 km (0.048 R)
• M16: 31,826,049 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931

Radius: 4.7

Gravity: 42.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.5 AU - 7.36 AU

Year: 11059 Days

Day: 17.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,645,497 km

• M1: 58,493 km (0.059 R)
• M2: 269,725 km (0.105 R)
• M3: 466,147 km (0.091 R)
• M4: 1,078,601 km (0.097 R)
• M5: 1,238,072 km (0.114 R)
• M6: 1,715,738 km (0.079 R)
• M7: 2,152,863 km (0.107 R)
• M8: 2,511,299 km (0.115 R)
• M9: 2,862,256 km (0.094 R)
• M10: 3,661,408 km (0.1 R)
• M11: 5,023,197 km (0.114 R)
• M12: 5,947,413 km (0.091 R)
• M13: 6,449,763 km (0.051 R)
• M14: 6,896,462 km (0.053 R)
• M15: 8,744,145 km (0.106 R)
• M16: 8,940,418 km (0.083 R)
• M17: 10,234,589 km (0.053 R)
• M18: 11,531,004 km (0.088 R)
• M19: 13,252,277 km (0.036 R)
• M20: 13,773,775 km (0.116 R)
• M21: 14,106,780 km (0.092 R)
• M22: 15,924,843 km (0.083 R)
• M23: 17,194,480 km (0.119 R)
• M24: 18,610,873 km (0.071 R)
• M25: 20,359,522 km (0.104 R)
• M26: 22,672,455 km (0.086 R)
• M27: 26,769,043 km (0.1 R)
• M28: 30,538,461 km (0.113 R)
• M29: 33,437,667 km (0.082 R)
• M30: 33,918,026 km (0.074 R)
• M31: 35,262,462 km (0.111 R)
• M32: 35,885,088 km (0.085 R)
• M33: 36,641,904 km (0.105 R)
• M34: 41,270,462 km (0.104 R)
• M35: 42,520,652 km (0.102 R)
• M36: 49,151,876 km (0.086 R)
• M37: 51,986,457 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.7

Radius: 3.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.45 AU - 9.41 AU

Year: 18100 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,645,497 km

• M1: 68,217 km (0.087 R)
• M2: 199,264 km (0.065 R)
• M3: 542,442 km (0.099 R)
• M4: 686,654 km (0.113 R)
• M5: 863,479 km (0.1 R)
• M6: 1,477,129 km (0.038 R)
• M7: 2,454,303 km (0.102 R)
• M8: 3,188,529 km (0.12 R)
• M9: 5,004,647 km (0.117 R)
• M10: 5,391,507 km (0.108 R)
• M11: 6,643,193 km (0.093 R)
• M12: 7,474,358 km (0.036 R)
• M13: 11,912,030 km (0.096 R)
• M14: 18,793,233 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.5

Radius: 3.8

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.08 AU - 11.04 AU

Year: 21642 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,645,497 km

• M1: 54,603 km (0.105 R)
• M2: 462,108 km (0.096 R)
• M3: 1,440,627 km (0.113 R)
• M4: 2,419,596 km (0.05 R)
• M5: 3,221,590 km (0.111 R)
• M6: 3,415,768 km (0.104 R)
• M7: 8,209,482 km (0.107 R)
• M8: 8,480,554 km (0.078 R)
• M9: 8,992,926 km (0.086 R)
• M10: 18,252,885 km (0.057 R)
• M11: 28,100,464 km (0.045 R)
• M12: 47,881,342 km (0.07 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: 179 - 19,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit