🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.1

Radius: 8.9

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.59 AU - 0.83 AU

Year: 413 Days

Day: 13.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,952,350 km

• M1: 110,702 km (0.109 R)
• M2: 410,497 km (0.114 R)
• M3: 705,653 km (0.119 R)
• M4: 1,004,400 km (0.111 R)
• M5: 1,358,349 km (0.059 R)
• M6: 1,685,070 km (0.113 R)
• M7: 2,047,696 km (0.108 R)
• M8: 2,745,121 km (0.101 R)
• M9: 3,028,310 km (0.091 R)
• M10: 3,400,958 km (0.107 R)
• M11: 3,778,992 km (0.043 R)
• M12: 5,006,891 km (0.092 R)
• M13: 5,513,579 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 11.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.82 AU - 0.96 AU

Year: 580 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,952,350 km

• M1: 140,921 km (0.077 R)
• M2: 578,944 km (0.093 R)
• M3: 947,254 km (0.067 R)
• M4: 1,304,643 km (0.109 R)
• M5: 1,701,227 km (0.069 R)
• M6: 2,251,598 km (0.068 R)
• M7: 2,641,001 km (0.056 R)
• M8: 3,298,633 km (0.041 R)
• M9: 3,686,092 km (0.098 R)
• M10: 4,494,070 km (0.058 R)
• M11: 4,972,184 km (0.055 R)
• M12: 5,331,967 km (0.085 R)
• M13: 6,140,993 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.5

Radius: 12.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.11 AU - 1.43 AU

Year: 988 Days

Day: 13.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,952,350 km

• M1: 160,369 km (0.088 R)
• M2: 635,492 km (0.104 R)
• M3: 1,199,326 km (0.12 R)
• M4: 2,433,957 km (0.086 R)
• M5: 2,928,229 km (0.075 R)
• M6: 3,547,714 km (0.119 R)
• M7: 4,220,306 km (0.111 R)
• M8: 5,357,997 km (0.11 R)
• M9: 5,946,216 km (0.108 R)
• M10: 6,667,876 km (0.073 R)
• M11: 7,132,976 km (0.115 R)
• M12: 7,669,733 km (0.035 R)
• M13: 8,259,598 km (0.086 R)
• M14: 8,907,207 km (0.101 R)
• M15: 9,676,140 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.2

Radius: 11.1

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.21 AU - 1.51 AU

Year: 1095 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,952,350 km

• M1: 138,079 km (0.068 R)
• M2: 495,019 km (0.106 R)
• M3: 849,118 km (0.103 R)
• M4: 1,311,076 km (0.079 R)
• M5: 1,776,176 km (0.053 R)
• M6: 2,571,887 km (0.112 R)
• M7: 3,006,768 km (0.112 R)
• M8: 3,365,055 km (0.107 R)
• M9: 4,089,108 km (0.118 R)
• M10: 4,985,947 km (0.119 R)
• M11: 5,588,079 km (0.111 R)
• M12: 6,029,841 km (0.076 R)
• M13: 6,647,681 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.8

Radius: 13.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.45 AU - 3.63 AU

Year: 3659 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,952,350 km

• M1: 172,337 km (0.087 R)
• M2: 609,013 km (0.111 R)
• M3: 1,094,907 km (0.03 R)
• M4: 1,529,040 km (0.115 R)
• M5: 2,167,374 km (0.048 R)
• M6: 3,188,080 km (0.104 R)
• M7: 4,873,001 km (0.053 R)
• M8: 5,351,116 km (0.079 R)
• M9: 6,837,670 km (0.084 R)
• M10: 10,953,855 km (0.032 R)
• M11: 15,019,925 km (0.117 R)
• M12: 15,645,245 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418

Radius: 9.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.81 AU - 3.35 AU

Year: 3731 Days

Day: 8.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,952,350 km

• M1: 119,678 km (0.119 R)
• M2: 536,308 km (0.119 R)
• M3: 851,960 km (0.045 R)
• M4: 1,180,626 km (0.108 R)
• M5: 1,785,151 km (0.101 R)
• M6: 2,093,024 km (0.108 R)
• M7: 2,599,413 km (0.083 R)
• M8: 2,898,608 km (0.109 R)
• M9: 3,238,644 km (0.091 R)
• M10: 4,040,489 km (0.098 R)
• M11: 4,466,394 km (0.094 R)
• M12: 4,875,095 km (0.096 R)
• M13: 7,939,608 km (0.042 R)
• M14: 8,337,089 km (0.113 R)
• M15: 9,244,251 km (0.113 R)
• M16: 10,806,501 km (0.086 R)
• M17: 11,629,290 km (0.104 R)
• M18: 14,691,408 km (0.106 R)
• M19: 15,393,172 km (0.059 R)
• M20: 18,139,639 km (0.111 R)
• M21: 18,598,306 km (0.088 R)
• M22: 20,820,732 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.8

Radius: 11.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.92 AU - 3.5 AU

Year: 3970 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,952,350 km

• M1: 147,952 km (0.092 R)
• M2: 528,679 km (0.097 R)
• M3: 1,212,790 km (0.093 R)
• M4: 1,681,630 km (0.082 R)
• M5: 2,170,815 km (0.109 R)
• M6: 3,344,260 km (0.118 R)
• M7: 3,995,310 km (0.086 R)
• M8: 5,258,216 km (0.079 R)
• M9: 6,990,858 km (0.12 R)
• M10: 10,849,586 km (0.057 R)
• M11: 11,999,993 km (0.104 R)
• M12: 16,670,888 km (0.048 R)
• M13: 19,950,522 km (0.046 R)
• M14: 21,741,657 km (0.119 R)
• M15: 24,073,439 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.5

Radius: 11.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.4 AU - 4.52 AU

Year: 5439 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,952,350 km

• M1: 146,756 km (0.103 R)
• M2: 638,933 km (0.068 R)
• M3: 1,768,696 km (0.078 R)
• M4: 2,784,764 km (0.068 R)
• M5: 6,367,783 km (0.084 R)
• M6: 6,790,397 km (0.088 R)
• M7: 7,764,578 km (0.025 R)
• M8: 8,171,933 km (0.04 R)
• M9: 8,593,500 km (0.097 R)
• M10: 10,119,698 km (0.112 R)
• M11: 10,787,353 km (0.041 R)
• M12: 12,661,066 km (0.073 R)
• M13: 13,331,414 km (0.059 R)
• M14: 17,043,536 km (0.094 R)
• M15: 17,797,210 km (0.062 R)
• M16: 23,709,019 km (0.102 R)
• M17: 27,189,413 km (0.038 R)
• M18: 30,628,369 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.6

Radius: 5.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.26 AU - 12.08 AU

Year: 20756 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,952,350 km

• M1: 71,209 km (0.107 R)
• M2: 233,073 km (0.083 R)
• M3: 498,610 km (0.06 R)
• M4: 743,053 km (0.04 R)
• M5: 1,129,165 km (0.034 R)
• M6: 2,417,950 km (0.034 R)
• M7: 2,607,192 km (0.115 R)
• M8: 4,413,586 km (0.098 R)
• M9: 4,639,479 km (0.099 R)
• M10: 5,206,903 km (0.058 R)
• M11: 5,588,528 km (0.066 R)
• M12: 8,407,700 km (0.039 R)
• M13: 8,667,551 km (0.075 R)
• M14: 13,119,584 km (0.102 R)
• M15: 16,426,744 km (0.095 R)
• M16: 21,511,127 km (0.072 R)
• M17: 23,585,301 km (0.065 R)
• M18: 24,451,024 km (0.106 R)
• M19: 25,607,715 km (0.045 R)
• M20: 28,319,027 km (0.044 R)
• M21: 29,296,649 km (0.085 R)
• M22: 30,907,219 km (0.065 R)
• M23: 33,540,441 km (0.08 R)
• M24: 39,730,950 km (0.075 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: 424 - 15,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit