🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.3

Radius: 11.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.65 AU - 1.05 AU

Year: 514 Days

Day: 14.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,173,919 km

• M1: 199,115 km (0.114 R)
• M2: 558,748 km (0.109 R)
• M3: 1,030,580 km (0.108 R)
• M4: 1,555,668 km (0.065 R)
• M5: 2,238,283 km (0.095 R)
• M6: 3,320,026 km (0.1 R)
• M7: 4,238,706 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.7

Radius: 12.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.53 AU - 1.83 AU

Year: 1428 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,173,919 km

• M1: 150,495 km (0.086 R)
• M2: 563,386 km (0.099 R)
• M3: 965,804 km (0.071 R)
• M4: 1,640,191 km (0.078 R)
• M5: 2,122,345 km (0.088 R)
• M6: 2,610,483 km (0.088 R)
• M7: 3,686,840 km (0.118 R)
• M8: 5,485,754 km (0.12 R)
• M9: 6,275,032 km (0.049 R)
• M10: 6,842,158 km (0.076 R)
• M11: 7,417,661 km (0.103 R)
• M12: 7,944,096 km (0.074 R)
• M13: 9,954,242 km (0.108 R)
• M14: 11,854,584 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.1

Radius: 9.5

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.91 AU - 2.13 AU

Year: 1883 Days

Day: 8.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,173,919 km

• M1: 118,182 km (0.116 R)
• M2: 418,276 km (0.094 R)
• M3: 793,318 km (0.111 R)
• M4: 1,342,042 km (0.072 R)
• M5: 1,739,823 km (0.06 R)
• M6: 2,926,434 km (0.086 R)
• M7: 4,239,005 km (0.095 R)
• M8: 4,626,314 km (0.094 R)
• M9: 6,497,335 km (0.072 R)
• M10: 7,854,038 km (0.085 R)
• M11: 8,159,068 km (0.104 R)
• M12: 8,695,526 km (0.091 R)
• M13: 9,121,730 km (0.047 R)
• M14: 9,527,290 km (0.091 R)
• M15: 13,390,655 km (0.116 R)
• M16: 14,407,771 km (0.082 R)
• M17: 16,896,182 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.1

Radius: 12.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.35 AU - 5.73 AU

Year: 7423 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,173,919 km

• M1: 164,258 km (0.04 R)
• M2: 596,596 km (0.101 R)
• M3: 1,137,991 km (0.111 R)
• M4: 1,988,604 km (0.054 R)
• M5: 2,646,835 km (0.097 R)
• M6: 3,313,443 km (0.049 R)
• M7: 4,140,420 km (0.081 R)
• M8: 6,271,292 km (0.064 R)
• M9: 6,794,137 km (0.112 R)
• M10: 7,270,756 km (0.065 R)
• M11: 7,769,515 km (0.088 R)
• M12: 8,373,442 km (0.071 R)
• M13: 8,836,148 km (0.086 R)
• M14: 9,360,189 km (0.114 R)
• M15: 10,327,489 km (0.106 R)
• M16: 10,810,989 km (0.119 R)
• M17: 13,176,580 km (0.088 R)
• M18: 14,811,984 km (0.111 R)
• M19: 18,132,309 km (0.096 R)
• M20: 21,061,735 km (0.094 R)
• M21: 21,840,691 km (0.058 R)
• M22: 22,397,344 km (0.098 R)
• M23: 23,456,348 km (0.047 R)
• M24: 24,293,348 km (0.084 R)
• M25: 26,204,909 km (0.063 R)
• M26: 26,833,669 km (0.075 R)
• M27: 27,380,449 km (0.108 R)
• M28: 31,218,532 km (0.112 R)
• M29: 34,215,875 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.1

Radius: 4.1

Gravity: 50.87 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.25 AU - 10.23 AU

Year: 15517 Days

Day: 22.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,173,919 km

• M1: 51,013 km (0.061 R)
• M2: 213,626 km (0.095 R)
• M3: 378,782 km (0.086 R)
• M4: 603,927 km (0.113 R)
• M5: 1,224,309 km (0.116 R)
• M6: 1,520,064 km (0.055 R)
• M7: 1,954,945 km (0.099 R)
• M8: 2,150,320 km (0.103 R)
• M9: 2,720,138 km (0.05 R)
• M10: 2,914,167 km (0.115 R)
• M11: 4,310,962 km (0.099 R)
• M12: 4,642,770 km (0.042 R)
• M13: 6,476,690 km (0.109 R)
• M14: 7,647,742 km (0.048 R)
• M15: 12,987,339 km (0.069 R)
• M16: 13,191,839 km (0.077 R)
• M17: 16,051,253 km (0.085 R)
• M18: 18,946,421 km (0.11 R)
• M19: 20,013,951 km (0.051 R)
• M20: 22,171,302 km (0.091 R)
• M21: 23,155,656 km (0.059 R)
• M22: 24,066,258 km (0.055 R)
• M23: 29,212,275 km (0.12 R)
• M24: 30,155,340 km (0.092 R)
• M25: 40,148,777 km (0.062 R)
• M26: 41,904,608 km (0.101 R)
• M27: 42,202,158 km (0.114 R)
• M28: 43,254,579 km (0.078 R)
• M29: 43,558,562 km (0.107 R)
• M30: 44,788,406 km (0.12 R)
• M31: 48,616,466 km (0.119 R)
• M32: 48,944,983 km (0.119 R)
• M33: 49,606,355 km (0.104 R)
• M34: 56,010,041 km (0.116 R)
• M35: 66,715,265 km (0.1 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: 167 - 14,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit