🌌 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: 351.3

Radius: 11

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.65 AU - 0.77 AU

Year: 399 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,518,434 km

• M1: 136,732 km (0.064 R)
• M2: 527,332 km (0.106 R)
• M3: 895,343 km (0.1 R)
• M4: 1,771,239 km (0.055 R)
• M5: 2,158,248 km (0.112 R)
• M6: 2,566,501 km (0.105 R)
• M7: 3,056,135 km (0.1 R)
• M8: 3,409,485 km (0.112 R)
• M9: 3,836,737 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.2

Radius: 11.1

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.78 AU - 2 AU

Year: 1733 Days

Day: 9.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,518,434 km

• M1: 139,126 km (0.075 R)
• M2: 564,134 km (0.077 R)
• M3: 963,560 km (0.057 R)
• M4: 1,665,323 km (0.071 R)
• M5: 2,408,376 km (0.044 R)
• M6: 3,070,048 km (0.074 R)
• M7: 3,478,150 km (0.117 R)
• M8: 4,384,714 km (0.065 R)
• M9: 5,213,486 km (0.092 R)
• M10: 7,152,873 km (0.105 R)
• M11: 8,207,837 km (0.106 R)
• M12: 9,065,033 km (0.03 R)
• M13: 9,703,217 km (0.084 R)
• M14: 10,051,032 km (0.043 R)
• M15: 10,407,075 km (0.025 R)
• M16: 12,115,333 km (0.073 R)
• M17: 14,313,674 km (0.109 R)
• M18: 15,648,984 km (0.075 R)
• M19: 16,420,461 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 11.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.47 AU - 2.87 AU

Year: 2909 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,518,434 km

• M1: 148,401 km (0.03 R)
• M2: 525,388 km (0.043 R)
• M3: 1,047,933 km (0.106 R)
• M4: 3,046,860 km (0.101 R)
• M5: 3,493,409 km (0.056 R)
• M6: 3,882,065 km (0.096 R)
• M7: 4,364,967 km (0.089 R)
• M8: 5,606,180 km (0.106 R)
• M9: 7,472,713 km (0.116 R)
• M10: 8,599,484 km (0.078 R)
• M11: 8,987,242 km (0.086 R)
• M12: 9,647,118 km (0.09 R)
• M13: 10,617,110 km (0.09 R)
• M14: 11,354,927 km (0.119 R)
• M15: 13,631,657 km (0.1 R)
• M16: 16,736,262 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 11.7

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.09 AU - 4.61 AU

Year: 6050 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,518,434 km

• M1: 156,031 km (0.071 R)
• M2: 520,750 km (0.085 R)
• M3: 968,048 km (0.056 R)
• M4: 1,471,893 km (0.106 R)
• M5: 2,381,598 km (0.109 R)
• M6: 2,822,762 km (0.047 R)
• M7: 4,222,400 km (0.107 R)
• M8: 7,197,902 km (0.087 R)
• M9: 7,968,031 km (0.079 R)
• M10: 8,332,153 km (0.098 R)
• M11: 13,276,512 km (0.117 R)
• M12: 15,470,664 km (0.103 R)
• M13: 20,945,946 km (0.059 R)
• M14: 27,315,973 km (0.103 R)
• M15: 28,899,167 km (0.025 R)
• M16: 29,665,108 km (0.038 R)
• M17: 33,279,991 km (0.113 R)
• M18: 35,410,265 km (0.104 R)
• M19: 37,629,848 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 12.6

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.89 AU - 4.97 AU

Year: 6218 Days

Day: 13.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,518,434 km

• M1: 184,305 km (0.097 R)
• M2: 587,620 km (0.061 R)
• M3: 1,088,325 km (0.075 R)
• M4: 1,898,846 km (0.047 R)
• M5: 2,312,484 km (0.074 R)
• M6: 4,068,912 km (0.098 R)
• M7: 4,574,254 km (0.083 R)
• M8: 5,098,595 km (0.068 R)
• M9: 5,736,330 km (0.086 R)
• M10: 6,861,456 km (0.11 R)
• M11: 7,942,749 km (0.106 R)
• M12: 8,702,856 km (0.113 R)
• M13: 9,441,720 km (0.092 R)
• M14: 10,665,431 km (0.055 R)
• M15: 13,295,361 km (0.076 R)
• M16: 14,275,826 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.2

Radius: 3.9

Gravity: 60.76 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.78 AU - 6.98 AU

Year: 12034 Days

Day: 19.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,518,434 km

• M1: 49,068 km (0.106 R)
• M2: 186,249 km (0.106 R)
• M3: 380,577 km (0.102 R)
• M4: 506,239 km (0.091 R)
• M5: 703,559 km (0.118 R)
• M6: 865,872 km (0.11 R)
• M7: 2,888,884 km (0.091 R)
• M8: 3,106,101 km (0.097 R)
• M9: 3,572,996 km (0.106 R)
• M10: 3,710,626 km (0.113 R)
• M11: 5,838,655 km (0.115 R)
• M12: 6,465,470 km (0.065 R)
• M13: 9,372,307 km (0.077 R)
• M14: 10,229,203 km (0.106 R)
• M15: 12,597,487 km (0.089 R)
• M16: 12,917,028 km (0.114 R)
• M17: 15,020,225 km (0.084 R)
• M18: 20,939,812 km (0.118 R)
• M19: 31,050,833 km (0.036 R)
• M20: 50,577,843 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.2

Radius: 5.1

Gravity: 37.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.75 AU - 9.33 AU

Year: 16642 Days

Day: 22.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,518,434 km

• M1: 63,729 km (0.093 R)
• M2: 233,073 km (0.065 R)
• M3: 704,008 km (0.097 R)
• M4: 1,093,560 km (0.045 R)
• M5: 1,374,356 km (0.107 R)
• M6: 1,755,531 km (0.116 R)
• M7: 2,100,653 km (0.044 R)
• M8: 2,512,795 km (0.036 R)
• M9: 3,467,828 km (0.102 R)
• M10: 4,074,448 km (0.114 R)
• M11: 7,552,598 km (0.078 R)
• M12: 9,955,290 km (0.055 R)
• M13: 12,345,265 km (0.091 R)
• M14: 16,443,349 km (0.106 R)
• M15: 18,662,484 km (0.084 R)
• M16: 21,267,132 km (0.095 R)
• M17: 22,961,328 km (0.078 R)
• M18: 23,372,723 km (0.095 R)
• M19: 24,743,488 km (0.115 R)
• M20: 25,613,100 km (0.1 R)
• M21: 27,298,470 km (0.093 R)
• M22: 33,317,241 km (0.119 R)
• M23: 34,377,142 km (0.082 R)
• M24: 40,311,989 km (0.106 R)
• M25: 50,439,316 km (0.117 R)
• M26: 54,887,010 km (0.102 R)
• M27: 59,011,124 km (0.092 R)
• M28: 62,335,937 km (0.096 R)
• M29: 62,735,213 km (0.073 R)
• M30: 67,030,019 km (0.111 R)
• M31: 71,516,758 km (0.097 R)
• M32: 73,721,980 km (0.089 R)
• M33: 74,392,328 km (0.054 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 12,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit