🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 9.4

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.89 AU - 1.11 AU

Year: 636 Days

Day: 7.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,716,457 km

• M1: 116,836 km (0.117 R)
• M2: 419,323 km (0.111 R)
• M3: 826,977 km (0.09 R)
• M4: 1,147,715 km (0.111 R)
• M5: 1,446,312 km (0.074 R)
• M6: 2,375,614 km (0.053 R)
• M7: 2,732,555 km (0.099 R)
• M8: 3,125,399 km (0.079 R)
• M9: 3,464,238 km (0.036 R)
• M10: 4,294,506 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 12.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.92 AU - 1.2 AU

Year: 694 Days

Day: 9.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,716,457 km

• M1: 153,039 km (0.103 R)
• M2: 791,522 km (0.094 R)
• M3: 1,191,098 km (0.083 R)
• M4: 2,087,788 km (0.04 R)
• M5: 2,486,317 km (0.118 R)
• M6: 2,882,302 km (0.05 R)
• M7: 3,452,420 km (0.068 R)
• M8: 3,921,858 km (0.105 R)
• M9: 4,550,468 km (0.109 R)
• M10: 5,359,493 km (0.092 R)

Asteroid Belt

Center: 4.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.6

Radius: 7.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.68 AU - 9.06 AU

Year: 14038 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,716,457 km

• M1: 96,640 km (0.093 R)
• M2: 1,591,273 km (0.101 R)
• M3: 2,079,560 km (0.061 R)
• M4: 2,773,844 km (0.057 R)
• M5: 3,330,647 km (0.044 R)
• M6: 4,031,363 km (0.062 R)
• M7: 4,691,539 km (0.108 R)
• M8: 5,103,831 km (0.117 R)
• M9: 7,538,237 km (0.058 R)
• M10: 15,654,071 km (0.084 R)
• M11: 23,571,388 km (0.072 R)
• M12: 25,273,214 km (0.094 R)
• M13: 25,522,893 km (0.078 R)
• M14: 25,942,664 km (0.097 R)
• M15: 27,755,791 km (0.049 R)
• M16: 29,467,639 km (0.06 R)
• M17: 31,057,864 km (0.101 R)
• M18: 33,000,991 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.5

Radius: 3.6

Gravity: 47.88 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.64 AU - 10.44 AU

Year: 15868 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,716,457 km

• M1: 45,029 km (0.075 R)
• M2: 261,796 km (0.099 R)
• M3: 519,553 km (0.089 R)
• M4: 707,000 km (0.113 R)
• M5: 821,891 km (0.067 R)
• M6: 949,498 km (0.092 R)
• M7: 1,630,766 km (0.111 R)
• M8: 1,798,765 km (0.114 R)
• M9: 2,209,112 km (0.102 R)
• M10: 2,415,108 km (0.03 R)
• M11: 2,656,409 km (0.1 R)
• M12: 2,865,547 km (0.068 R)
• M13: 3,264,375 km (0.099 R)
• M14: 4,171,537 km (0.106 R)
• M15: 4,422,113 km (0.026 R)
• M16: 6,802,066 km (0.084 R)
• M17: 7,508,168 km (0.116 R)
• M18: 8,707,194 km (0.091 R)
• M19: 10,251,344 km (0.074 R)
• M20: 10,477,685 km (0.079 R)
• M21: 10,649,723 km (0.027 R)
• M22: 10,940,391 km (0.041 R)
• M23: 11,906,644 km (0.084 R)
• M24: 13,800,404 km (0.097 R)
• M25: 13,937,884 km (0.114 R)
• M26: 19,435,755 km (0.091 R)
• M27: 22,994,838 km (0.094 R)
• M28: 23,774,991 km (0.097 R)
• M29: 24,171,575 km (0.111 R)
• M30: 24,876,181 km (0.067 R)
• M31: 31,131,167 km (0.117 R)
• M32: 34,428,604 km (0.07 R)
• M33: 43,305,592 km (0.055 R)
• M34: 49,784,675 km (0.057 R)
• M35: 51,252,380 km (0.092 R)
• M36: 53,422,746 km (0.103 R)
• M37: 56,704,026 km (0.097 R)
• M38: 58,844,173 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.4

Radius: 3.6

Gravity: 23.56 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.23 AU - 10.53 AU

Year: 18266 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,716,457 km

• M1: 50,414 km (0.072 R)
• M2: 173,384 km (0.054 R)
• M3: 337,792 km (0.118 R)
• M4: 763,398 km (0.11 R)
• M5: 2,388,779 km (0.042 R)
• M6: 2,681,542 km (0.088 R)
• M7: 4,182,756 km (0.064 R)
• M8: 4,576,049 km (0.11 R)
• M9: 5,648,816 km (0.108 R)
• M10: 9,340,741 km (0.078 R)
• M11: 10,276,476 km (0.079 R)
• M12: 10,601,851 km (0.056 R)
• M13: 11,046,307 km (0.054 R)
• M14: 12,454,172 km (0.09 R)
• M15: 15,058,970 km (0.073 R)
• M16: 16,341,174 km (0.104 R)
• M17: 17,235,320 km (0.06 R)
• M18: 18,716,938 km (0.044 R)
• M19: 19,283,465 km (0.118 R)
• M20: 20,028,612 km (0.108 R)
• M21: 21,930,749 km (0.091 R)
• M22: 23,573,782 km (0.115 R)
• M23: 28,247,070 km (0.109 R)
• M24: 29,749,930 km (0.093 R)
• M25: 31,645,485 km (0.105 R)
• M26: 31,759,478 km (0.064 R)
• M27: 33,620,027 km (0.066 R)
• M28: 33,738,658 km (0.087 R)
• M29: 34,819,054 km (0.098 R)
• M30: 35,184,222 km (0.101 R)
• M31: 37,301,930 km (0.098 R)
• M32: 38,327,423 km (0.079 R)
• M33: 43,174,693 km (0.109 R)
• M34: 43,314,867 km (0.111 R)
• M35: 43,596,111 km (0.108 R)
• M36: 49,174,466 km (0.052 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 16,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit