🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.6

Radius: 11.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.63 AU

Year: 256 Days

Day: 13.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,094,663 km

• M1: 139,874 km (0.104 R)
• M2: 613,351 km (0.114 R)
• M3: 1,013,825 km (0.065 R)
• M4: 1,529,040 km (0.032 R)
• M5: 2,021,067 km (0.116 R)
• M6: 2,502,922 km (0.117 R)
• M7: 2,907,435 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.9

Radius: 8.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.5 AU - 0.54 AU

Year: 264 Days

Day: 7.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,094,663 km

• M1: 103,223 km (0.039 R)
• M2: 398,978 km (0.04 R)
• M3: 994,826 km (0.038 R)
• M4: 1,322,595 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315

Radius: 10.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.58 AU - 0.76 AU

Year: 385 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,094,663 km

• M1: 128,355 km (0.094 R)
• M2: 483,949 km (0.07 R)
• M3: 858,692 km (0.12 R)
• M4: 1,257,520 km (0.076 R)
• M5: 2,279,722 km (0.055 R)
• M6: 2,985,076 km (0.036 R)
• M7: 3,705,090 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 14.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.61 AU - 0.73 AU

Year: 385 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,094,663 km

• M1: 177,872 km (0.057 R)
• M2: 1,005,148 km (0.104 R)
• M3: 1,538,614 km (0.049 R)
• M4: 2,038,869 km (0.12 R)
• M5: 2,605,696 km (0.105 R)
• M6: 3,358,622 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.4

Radius: 13.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.82 AU - 3.76 AU

Year: 4195 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,094,663 km

• M1: 162,912 km (0.115 R)
• M2: 1,001,408 km (0.108 R)
• M3: 1,505,104 km (0.072 R)
• M4: 2,108,432 km (0.067 R)
• M5: 2,523,118 km (0.119 R)
• M6: 3,028,459 km (0.052 R)
• M7: 4,717,270 km (0.104 R)
• M8: 5,329,424 km (0.082 R)
• M9: 5,738,574 km (0.077 R)
• M10: 6,651,421 km (0.062 R)
• M11: 10,181,332 km (0.081 R)
• M12: 10,814,430 km (0.084 R)
• M13: 11,473,558 km (0.073 R)
• M14: 12,631,446 km (0.055 R)
• M15: 13,562,543 km (0.117 R)
• M16: 14,122,338 km (0.072 R)
• M17: 14,750,350 km (0.117 R)
• M18: 17,630,109 km (0.104 R)
• M19: 18,730,401 km (0.081 R)
• M20: 21,612,404 km (0.095 R)
• M21: 23,303,160 km (0.102 R)
• M22: 24,106,949 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.2

Radius: 11.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.11 AU - 3.71 AU

Year: 4426 Days

Day: 12.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,094,663 km

• M1: 148,102 km (0.109 R)
• M2: 1,026,391 km (0.118 R)
• M3: 1,515,426 km (0.082 R)
• M4: 2,505,615 km (0.062 R)
• M5: 3,067,056 km (0.083 R)
• M6: 4,621,527 km (0.106 R)
• M7: 6,673,860 km (0.116 R)
• M8: 8,955,976 km (0.089 R)
• M9: 12,174,275 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.9

Radius: 7.4

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.64 AU - 8.68 AU

Year: 13467 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,094,663 km

• M1: 94,995 km (0.066 R)
• M2: 506,239 km (0.092 R)
• M3: 1,004,251 km (0.092 R)
• M4: 1,762,861 km (0.073 R)
• M5: 2,351,080 km (0.057 R)
• M6: 3,355,480 km (0.084 R)
• M7: 3,692,823 km (0.107 R)
• M8: 4,109,902 km (0.084 R)
• M9: 5,767,447 km (0.088 R)
• M10: 6,214,296 km (0.03 R)
• M11: 6,724,125 km (0.051 R)
• M12: 8,754,767 km (0.056 R)
• M13: 14,378,899 km (0.085 R)
• M14: 17,314,009 km (0.108 R)
• M15: 20,201,098 km (0.099 R)
• M16: 22,204,812 km (0.059 R)
• M17: 23,487,314 km (0.109 R)
• M18: 23,862,656 km (0.072 R)
• M19: 25,207,840 km (0.049 R)
• M20: 30,425,065 km (0.103 R)
• M21: 33,049,760 km (0.085 R)
• M22: 34,477,372 km (0.109 R)
• M23: 39,137,346 km (0.061 R)
• M24: 40,869,540 km (0.088 R)
• M25: 42,513,172 km (0.075 R)
• M26: 45,494,956 km (0.11 R)
• M27: 53,634,128 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.9

Radius: 7.4

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.63 AU - 8.35 AU

Year: 14409 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,094,663 km

• M1: 98,585 km (0.046 R)
• M2: 500,854 km (0.117 R)
• M3: 1,291,628 km (0.053 R)
• M4: 4,140,869 km (0.099 R)
• M5: 4,425,554 km (0.061 R)
• M6: 5,774,179 km (0.099 R)
• M7: 10,771,795 km (0.1 R)
• M8: 11,129,633 km (0.093 R)
• M9: 11,372,729 km (0.107 R)
• M10: 13,242,104 km (0.093 R)
• M11: 14,356,758 km (0.116 R)
• M12: 14,936,899 km (0.083 R)
• M13: 21,626,317 km (0.104 R)
• M14: 24,372,335 km (0.104 R)
• M15: 25,093,547 km (0.098 R)
• M16: 25,406,805 km (0.1 R)
• M17: 26,903,980 km (0.07 R)
• M18: 28,459,050 km (0.081 R)
• M19: 29,143,460 km (0.086 R)
• M20: 31,142,238 km (0.098 R)
• M21: 33,862,226 km (0.057 R)
• M22: 34,501,907 km (0.1 R)
• M23: 36,069,692 km (0.104 R)
• M24: 40,481,782 km (0.111 R)
• M25: 50,857,891 km (0.049 R)
• M26: 54,442,106 km (0.073 R)
• M27: 58,740,352 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.1

Radius: 8

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.05 AU - 10.03 AU

Year: 16025 Days

Day: 23.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,094,663 km

• M1: 99,782 km (0.115 R)
• M2: 424,409 km (0.062 R)
• M3: 692,788 km (0.086 R)
• M4: 1,734,288 km (0.117 R)
• M5: 2,054,577 km (0.099 R)
• M6: 2,414,061 km (0.11 R)
• M7: 3,131,831 km (0.072 R)
• M8: 5,375,949 km (0.115 R)
• M9: 5,750,093 km (0.109 R)
• M10: 6,508,704 km (0.089 R)
• M11: 7,514,451 km (0.113 R)
• M12: 9,081,040 km (0.083 R)
• M13: 10,562,956 km (0.097 R)
• M14: 10,972,106 km (0.096 R)
• M15: 13,859,495 km (0.049 R)
• M16: 14,138,495 km (0.111 R)
• M17: 14,635,608 km (0.113 R)
• M18: 15,144,241 km (0.035 R)
• M19: 15,440,295 km (0.092 R)
• M20: 18,870,425 km (0.035 R)
• M21: 20,536,048 km (0.114 R)
• M22: 24,358,872 km (0.1 R)
• M23: 24,765,329 km (0.08 R)
• M24: 30,003,798 km (0.075 R)
• M25: 35,804,754 km (0.062 R)
• M26: 39,593,470 km (0.115 R)
• M27: 45,457,258 km (0.107 R)
• M28: 51,041,298 km (0.083 R)
• M29: 52,886,438 km (0.112 R)
• M30: 55,123,823 km (0.091 R)
• M31: 62,402,957 km (0.036 R)
• M32: 64,899,895 km (0.111 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: 366 - 16,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit