🌌 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: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.5

Radius: 9.2

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.08 AU - 1.2 AU

Year: 786 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,108,322 km

• M1: 114,442 km (0.093 R)
• M2: 645,814 km (0.097 R)
• M3: 1,243,009 km (0.113 R)
• M4: 1,558,062 km (0.096 R)
• M5: 2,042,759 km (0.115 R)
• M6: 2,408,675 km (0.083 R)
• M7: 3,178,805 km (0.118 R)
• M8: 3,747,576 km (0.04 R)
• M9: 4,621,377 km (0.068 R)
• M10: 4,977,570 km (0.1 R)
• M11: 5,745,007 km (0.087 R)
• M12: 6,115,262 km (0.044 R)
• M13: 6,545,356 km (0.102 R)
• M14: 7,635,625 km (0.089 R)
• M15: 8,788,875 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 10.5

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.66 AU - 1.9 AU

Year: 1533 Days

Day: 8.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,108,322 km

• M1: 133,292 km (0.085 R)
• M2: 593,904 km (0.096 R)
• M3: 944,561 km (0.078 R)
• M4: 1,275,621 km (0.066 R)
• M5: 1,608,028 km (0.106 R)
• M6: 2,301,862 km (0.088 R)
• M7: 4,263,689 km (0.092 R)
• M8: 5,479,920 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.6

Radius: 10.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.22 AU - 4.9 AU

Year: 5282 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,108,322 km

• M1: 128,953 km (0.098 R)
• M2: 483,052 km (0.09 R)
• M3: 889,659 km (0.092 R)
• M4: 1,229,844 km (0.08 R)
• M5: 1,947,764 km (0.1 R)
• M6: 6,851,732 km (0.059 R)
• M7: 10,529,297 km (0.093 R)
• M8: 11,170,323 km (0.098 R)
• M9: 14,209,853 km (0.118 R)
• M10: 14,554,377 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.3

Radius: 3.8

Gravity: 60.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.66 AU - 7.68 AU

Year: 9896 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,108,322 km

• M1: 47,273 km (0.118 R)
• M2: 214,075 km (0.048 R)
• M3: 378,483 km (0.113 R)
• M4: 587,770 km (0.117 R)
• M5: 741,108 km (0.096 R)
• M6: 1,551,031 km (0.119 R)
• M7: 1,846,786 km (0.092 R)
• M8: 2,408,675 km (0.089 R)
• M9: 2,696,651 km (0.107 R)
• M10: 3,568,508 km (0.06 R)
• M11: 3,725,735 km (0.109 R)
• M12: 3,970,327 km (0.082 R)
• M13: 4,312,907 km (0.053 R)
• M14: 4,927,305 km (0.063 R)
• M15: 5,632,958 km (0.074 R)
• M16: 6,794,286 km (0.095 R)
• M17: 7,325,658 km (0.054 R)
• M18: 8,196,467 km (0.084 R)
• M19: 8,424,454 km (0.092 R)
• M20: 13,039,250 km (0.036 R)
• M21: 14,843,550 km (0.063 R)
• M22: 15,805,314 km (0.11 R)
• M23: 16,229,873 km (0.077 R)
• M24: 19,741,234 km (0.111 R)
• M25: 20,316,438 km (0.096 R)
• M26: 20,987,384 km (0.113 R)
• M27: 21,242,748 km (0.068 R)
• M28: 23,818,973 km (0.11 R)
• M29: 30,334,259 km (0.118 R)
• M30: 32,782,728 km (0.059 R)
• M31: 33,472,673 km (0.084 R)
• M32: 35,000,666 km (0.112 R)
• M33: 36,574,585 km (0.082 R)
• M34: 37,566,269 km (0.079 R)
• M35: 45,155,818 km (0.057 R)
• M36: 46,584,777 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.5

Radius: 6.6

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.02 AU - 8.1 AU

Year: 13421 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,108,322 km

• M1: 82,428 km (0.054 R)
• M2: 480,060 km (0.042 R)
• M3: 1,125,724 km (0.063 R)
• M4: 2,527,606 km (0.088 R)
• M5: 2,973,856 km (0.072 R)
• M6: 3,393,478 km (0.025 R)
• M7: 5,058,802 km (0.042 R)
• M8: 5,299,505 km (0.083 R)
• M9: 5,953,995 km (0.082 R)
• M10: 6,183,778 km (0.098 R)
• M11: 9,423,619 km (0.108 R)
• M12: 11,056,031 km (0.11 R)
• M13: 12,243,539 km (0.085 R)
• M14: 17,534,217 km (0.117 R)
• M15: 21,292,115 km (0.066 R)
• M16: 22,562,650 km (0.117 R)
• M17: 24,758,298 km (0.047 R)
• M18: 25,154,134 km (0.082 R)
• M19: 27,197,042 km (0.112 R)
• M20: 29,680,218 km (0.103 R)
• M21: 32,428,330 km (0.076 R)
• M22: 33,501,097 km (0.034 R)
• M23: 33,985,495 km (0.097 R)
• M24: 34,597,500 km (0.113 R)
• M25: 40,850,990 km (0.115 R)
• M26: 41,403,903 km (0.07 R)
• M27: 43,234,832 km (0.107 R)
• M28: 43,664,926 km (0.091 R)
• M29: 44,533,641 km (0.038 R)
• M30: 55,536,115 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 20,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit