🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 11.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,358,836 km

• M1: 161,865 km (0.063 R)
• M2: 674,986 km (0.062 R)
• M3: 1,270,236 km (0.092 R)
• M4: 1,667,867 km (0.099 R)
• M5: 2,293,485 km (0.106 R)
• M6: 2,808,102 km (0.113 R)
• M7: 3,331,395 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.2

Radius: 12.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.5 AU - 0.74 AU

Year: 326 Days

Day: 10.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,358,836 km

• M1: 151,842 km (0.117 R)
• M2: 576,849 km (0.051 R)
• M3: 1,220,719 km (0.103 R)
• M4: 1,642,585 km (0.111 R)
• M5: 2,289,595 km (0.109 R)
• M6: 3,031,601 km (0.111 R)
• M7: 3,869,349 km (0.098 R)
• M8: 4,381,123 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.5

Radius: 12.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.65 AU - 0.69 AU

Year: 366 Days

Day: 9 Hours

Environment

Temp: -148 °C

Axial Tilt: 152.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,358,836 km

• M1: 155,731 km (0.104 R)
• M2: 547,079 km (0.112 R)
• M3: 1,145,471 km (0.1 R)
• M4: 1,664,426 km (0.042 R)
• M5: 2,069,238 km (0.087 R)
• M6: 2,458,491 km (0.078 R)
• M7: 3,074,087 km (0.082 R)
• M8: 3,779,740 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.3

Radius: 14

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.84 AU - 0.94 AU

Year: 560 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,358,836 km

• M1: 174,132 km (0.077 R)
• M2: 610,210 km (0.091 R)
• M3: 1,128,566 km (0.066 R)
• M4: 1,888,673 km (0.096 R)
• M5: 2,429,469 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 13.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.11 AU - 5.49 AU

Year: 7013 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,358,836 km

• M1: 173,534 km (0.05 R)
• M2: 701,764 km (0.092 R)
• M3: 1,364,482 km (0.064 R)
• M4: 1,957,937 km (0.066 R)
• M5: 3,205,882 km (0.098 R)
• M6: 4,246,186 km (0.104 R)
• M7: 4,732,229 km (0.036 R)
• M8: 5,785,398 km (0.096 R)
• M9: 6,316,321 km (0.074 R)
• M10: 7,062,815 km (0.074 R)
• M11: 8,774,962 km (0.071 R)
• M12: 10,505,810 km (0.097 R)
• M13: 12,292,457 km (0.106 R)
• M14: 13,457,525 km (0.104 R)
• M15: 14,877,508 km (0.053 R)
• M16: 15,814,589 km (0.117 R)
• M17: 18,083,989 km (0.045 R)
• M18: 20,411,133 km (0.085 R)
• M19: 23,844,105 km (0.101 R)
• M20: 25,741,455 km (0.065 R)
• M21: 28,583,366 km (0.095 R)
• M22: 30,723,064 km (0.058 R)
• M23: 39,288,141 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.4

Radius: 6.6

Gravity: 22.76 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.09 AU - 6.11 AU

Year: 10047 Days

Day: 20.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,358,836 km

• M1: 82,129 km (0.102 R)
• M2: 358,436 km (0.052 R)
• M3: 717,322 km (0.081 R)
• M4: 1,715,588 km (0.093 R)
• M5: 3,181,199 km (0.117 R)
• M6: 3,480,095 km (0.108 R)
• M7: 4,105,564 km (0.101 R)
• M8: 5,063,738 km (0.074 R)
• M9: 5,720,323 km (0.1 R)
• M10: 5,975,986 km (0.114 R)
• M11: 8,444,650 km (0.105 R)
• M12: 8,873,099 km (0.117 R)
• M13: 9,216,126 km (0.091 R)
• M14: 9,670,306 km (0.092 R)
• M15: 9,981,170 km (0.106 R)
• M16: 11,010,104 km (0.097 R)
• M17: 14,995,840 km (0.109 R)
• M18: 15,553,242 km (0.102 R)
• M19: 16,052,300 km (0.098 R)
• M20: 16,635,582 km (0.115 R)
• M21: 16,858,034 km (0.075 R)
• M22: 17,157,529 km (0.063 R)
• M23: 17,384,619 km (0.084 R)
• M24: 17,613,504 km (0.084 R)
• M25: 29,049,513 km (0.113 R)
• M26: 30,798,013 km (0.091 R)
• M27: 31,021,362 km (0.06 R)
• M28: 34,263,448 km (0.075 R)
• M29: 37,852,151 km (0.105 R)
• M30: 38,495,272 km (0.081 R)
• M31: 42,507,487 km (0.113 R)
• M32: 44,329,439 km (0.1 R)
• M33: 45,476,107 km (0.105 R)
• M34: 47,530,385 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.8

Radius: 5.9

Gravity: 24.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.32 AU - 7.02 AU

Year: 11487 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,358,836 km

• M1: 73,453 km (0.097 R)
• M2: 287,078 km (0.111 R)
• M3: 1,040,004 km (0.086 R)
• M4: 1,460,374 km (0.114 R)
• M5: 1,654,702 km (0.089 R)
• M6: 2,486,616 km (0.107 R)
• M7: 3,386,597 km (0.114 R)
• M8: 3,924,251 km (0.091 R)
• M9: 4,738,363 km (0.036 R)
• M10: 7,236,498 km (0.115 R)
• M11: 8,692,384 km (0.105 R)
• M12: 9,184,860 km (0.092 R)
• M13: 9,488,993 km (0.101 R)
• M14: 10,387,777 km (0.109 R)
• M15: 13,552,819 km (0.078 R)
• M16: 13,814,915 km (0.114 R)
• M17: 17,077,943 km (0.083 R)
• M18: 18,563,600 km (0.035 R)
• M19: 19,628,587 km (0.083 R)
• M20: 21,879,586 km (0.08 R)
• M21: 22,605,285 km (0.086 R)
• M22: 23,067,094 km (0.081 R)
• M23: 26,989,700 km (0.102 R)
• M24: 30,767,944 km (0.048 R)
• M25: 33,672,835 km (0.11 R)
• M26: 39,220,223 km (0.098 R)
• M27: 40,290,297 km (0.032 R)
• M28: 41,242,338 km (0.118 R)
• M29: 45,493,161 km (0.054 R)
• M30: 46,376,985 km (0.093 R)
• M31: 49,871,143 km (0.051 R)
• M32: 51,602,589 km (0.115 R)
• M33: 53,048,751 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit