🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 8.2

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.58 AU - 0.9 AU

Year: 432 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,860,689 km

• M1: 106,813 km (0.095 R)
• M2: 380,577 km (0.061 R)
• M3: 877,840 km (0.11 R)
• M4: 1,168,958 km (0.11 R)
• M5: 1,434,644 km (0.091 R)
• M6: 1,893,759 km (0.089 R)
• M7: 2,408,675 km (0.107 R)
• M8: 3,002,130 km (0.032 R)
• M9: 3,689,831 km (0.084 R)
• M10: 4,170,340 km (0.045 R)
• M11: 4,584,277 km (0.101 R)
• M12: 4,960,665 km (0.097 R)
• M13: 5,273,026 km (0.083 R)
• M14: 5,793,327 km (0.1 R)
• M15: 6,252,593 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 13.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.59 AU - 0.89 AU

Year: 432 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,860,689 km

• M1: 167,849 km (0.06 R)
• M2: 690,993 km (0.113 R)
• M3: 1,132,456 km (0.117 R)
• M4: 1,556,566 km (0.088 R)
• M5: 2,166,626 km (0.032 R)
• M6: 2,622,750 km (0.038 R)
• M7: 3,154,720 km (0.091 R)
• M8: 4,007,577 km (0.096 R)
• M9: 4,481,952 km (0.108 R)
• M10: 5,904,478 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 14.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.84 AU - 1.06 AU

Year: 628 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,860,689 km

• M1: 176,675 km (0.08 R)
• M2: 655,687 km (0.054 R)
• M3: 1,180,626 km (0.104 R)
• M4: 1,774,680 km (0.115 R)
• M5: 2,357,513 km (0.044 R)
• M6: 2,893,223 km (0.072 R)
• M7: 3,461,396 km (0.069 R)
• M8: 4,186,197 km (0.094 R)
• M9: 4,824,980 km (0.101 R)
• M10: 5,478,274 km (0.1 R)
• M11: 5,993,190 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 11.9

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3 AU - 3.78 AU

Year: 4233 Days

Day: 7.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,860,689 km

• M1: 148,102 km (0.11 R)
• M2: 659,876 km (0.04 R)
• M3: 1,238,820 km (0.087 R)
• M4: 2,084,497 km (0.1 R)
• M5: 2,618,412 km (0.036 R)
• M6: 3,262,430 km (0.12 R)
• M7: 3,763,284 km (0.118 R)
• M8: 4,148,648 km (0.025 R)
• M9: 5,134,349 km (0.116 R)
• M10: 6,332,328 km (0.09 R)
• M11: 6,748,659 km (0.074 R)
• M12: 7,251,906 km (0.108 R)
• M13: 8,221,001 km (0.116 R)
• M14: 9,396,841 km (0.084 R)
• M15: 10,328,237 km (0.108 R)
• M16: 11,648,588 km (0.05 R)
• M17: 13,027,282 km (0.108 R)
• M18: 15,295,185 km (0.105 R)
• M19: 16,284,027 km (0.084 R)
• M20: 17,439,073 km (0.1 R)
• M21: 20,185,241 km (0.033 R)
• M22: 20,809,064 km (0.064 R)
• M23: 25,302,685 km (0.108 R)
• M24: 26,191,446 km (0.082 R)
• M25: 28,807,912 km (0.101 R)
• M26: 29,777,007 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 8.3

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.61 AU - 5.73 AU

Year: 6845 Days

Day: 14.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,860,689 km

• M1: 105,915 km (0.115 R)
• M2: 391,198 km (0.108 R)
• M3: 653,892 km (0.069 R)
• M4: 1,160,580 km (0.071 R)
• M5: 1,894,956 km (0.074 R)
• M6: 2,338,364 km (0.118 R)
• M7: 3,069,898 km (0.074 R)
• M8: 3,660,211 km (0.092 R)
• M9: 4,950,792 km (0.08 R)
• M10: 5,921,682 km (0.032 R)
• M11: 6,452,455 km (0.074 R)
• M12: 6,978,292 km (0.094 R)
• M13: 7,762,334 km (0.101 R)
• M14: 10,705,224 km (0.054 R)
• M15: 12,004,182 km (0.087 R)
• M16: 12,477,360 km (0.068 R)
• M17: 12,962,955 km (0.104 R)
• M18: 21,840,392 km (0.053 R)
• M19: 22,308,932 km (0.114 R)
• M20: 23,266,209 km (0.095 R)
• M21: 23,673,115 km (0.039 R)
• M22: 24,584,764 km (0.109 R)
• M23: 25,692,238 km (0.115 R)
• M24: 28,932,378 km (0.101 R)
• M25: 29,214,071 km (0.108 R)
• M26: 34,920,930 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.2

Radius: 10.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.39 AU - 5.69 AU

Year: 8844 Days

Day: 10.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,860,689 km

• M1: 128,654 km (0.118 R)
• M2: 535,112 km (0.041 R)
• M3: 2,313,681 km (0.119 R)
• M4: 2,690,817 km (0.111 R)
• M5: 3,425,492 km (0.087 R)
• M6: 3,918,267 km (0.081 R)
• M7: 5,373,556 km (0.079 R)
• M8: 7,751,862 km (0.062 R)
• M9: 10,803,210 km (0.035 R)
• M10: 11,256,791 km (0.119 R)
• M11: 13,561,047 km (0.095 R)
• M12: 15,698,501 km (0.115 R)
• M13: 19,879,612 km (0.031 R)
• M14: 25,299,693 km (0.099 R)
• M15: 27,083,498 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.4

Radius: 5.4

Gravity: 28.61 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.16 AU - 11.54 AU

Year: 20967 Days

Day: 19.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,860,689 km

• M1: 67,169 km (0.088 R)
• M2: 282,590 km (0.038 R)
• M3: 524,041 km (0.111 R)
• M4: 707,748 km (0.1 R)
• M5: 1,314,516 km (0.091 R)
• M6: 1,946,268 km (0.108 R)
• M7: 2,890,829 km (0.111 R)
• M8: 3,302,822 km (0.102 R)
• M9: 3,659,762 km (0.029 R)
• M10: 4,415,680 km (0.073 R)
• M11: 5,310,126 km (0.087 R)
• M12: 5,758,172 km (0.106 R)
• M13: 6,012,937 km (0.065 R)
• M14: 6,319,762 km (0.067 R)
• M15: 7,351,987 km (0.097 R)
• M16: 8,330,058 km (0.12 R)
• M17: 8,990,832 km (0.068 R)
• M18: 9,218,670 km (0.078 R)
• M19: 9,805,093 km (0.047 R)
• M20: 10,604,245 km (0.115 R)
• M21: 18,348,179 km (0.113 R)
• M22: 19,749,013 km (0.113 R)
• M23: 24,048,157 km (0.116 R)
• M24: 30,824,492 km (0.057 R)
• M25: 37,434,324 km (0.086 R)
• M26: 45,595,337 km (0.049 R)
• M27: 50,087,461 km (0.105 R)
• M28: 50,444,851 km (0.069 R)
• M29: 56,202,274 km (0.099 R)
• M30: 56,394,957 km (0.03 R)
• M31: 57,364,949 km (0.032 R)
• M32: 61,560,721 km (0.113 R)
• M33: 64,258,120 km (0.114 R)
• M34: 64,468,754 km (0.053 R)
• M35: 79,416,722 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 19,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit