🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 13.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.67 AU - 0.83 AU

Year: 433 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,811,781 km

• M1: 164,258 km (0.1 R)
• M2: 601,683 km (0.034 R)
• M3: 1,064,090 km (0.087 R)
• M4: 1,779,915 km (0.118 R)
• M5: 2,414,360 km (0.106 R)
• M6: 2,978,494 km (0.078 R)
• M7: 4,256,658 km (0.091 R)
• M8: 4,686,153 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 10.7

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.88 AU - 3.08 AU

Year: 2604 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,811,781 km

• M1: 133,142 km (0.116 R)
• M2: 1,344,586 km (0.063 R)
• M3: 1,920,238 km (0.095 R)
• M4: 2,273,289 km (0.118 R)
• M5: 3,165,042 km (0.118 R)
• M6: 3,859,475 km (0.106 R)
• M7: 7,434,715 km (0.053 R)
• M8: 7,949,182 km (0.062 R)
• M9: 9,561,698 km (0.081 R)
• M10: 11,008,907 km (0.097 R)
• M11: 16,598,033 km (0.096 R)
• M12: 18,446,614 km (0.048 R)
• M13: 19,211,209 km (0.047 R)
• M14: 19,935,562 km (0.039 R)
• M15: 21,119,629 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.3

Radius: 14.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.51 AU - 3.59 AU

Year: 4460 Days

Day: 5 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,811,781 km

• M1: 177,872 km (0.087 R)
• M2: 680,072 km (0.097 R)
• M3: 1,315,115 km (0.098 R)
• M4: 1,872,666 km (0.074 R)
• M5: 2,949,621 km (0.061 R)
• M6: 3,991,122 km (0.103 R)
• M7: 5,767,596 km (0.027 R)
• M8: 6,278,772 km (0.07 R)
• M9: 7,115,024 km (0.101 R)
• M10: 7,651,781 km (0.117 R)
• M11: 8,215,466 km (0.119 R)
• M12: 10,720,183 km (0.107 R)
• M13: 11,600,268 km (0.108 R)

Asteroid Belt

Center: 3.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 12.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.46 AU - 4.9 AU

Year: 5699 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,811,781 km

• M1: 158,723 km (0.118 R)
• M2: 583,282 km (0.063 R)
• M3: 1,010,085 km (0.105 R)
• M4: 1,447,808 km (0.108 R)
• M5: 2,094,969 km (0.117 R)
• M6: 2,946,330 km (0.081 R)
• M7: 4,016,404 km (0.095 R)
• M8: 4,487,936 km (0.092 R)
• M9: 5,817,263 km (0.096 R)
• M10: 8,246,882 km (0.066 R)
• M11: 10,644,188 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.3

Radius: 7.2

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.74 AU - 9.34 AU

Year: 16642 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,811,781 km

• M1: 89,609 km (0.111 R)
• M2: 344,673 km (0.067 R)
• M3: 667,805 km (0.044 R)
• M4: 1,378,694 km (0.074 R)
• M5: 1,757,326 km (0.046 R)
• M6: 2,076,718 km (0.079 R)
• M7: 3,396,769 km (0.116 R)
• M8: 4,561,389 km (0.063 R)
• M9: 4,810,320 km (0.089 R)
• M10: 6,776,036 km (0.094 R)
• M11: 11,506,320 km (0.104 R)
• M12: 12,444,299 km (0.056 R)
• M13: 12,870,204 km (0.12 R)
• M14: 15,216,347 km (0.101 R)
• M15: 18,453,047 km (0.083 R)
• M16: 19,490,807 km (0.102 R)
• M17: 21,507,835 km (0.109 R)
• M18: 30,311,670 km (0.08 R)
• M19: 31,754,093 km (0.033 R)
• M20: 39,657,947 km (0.112 R)
• M21: 40,183,185 km (0.107 R)
• M22: 40,447,524 km (0.114 R)
• M23: 47,587,232 km (0.112 R)
• M24: 49,079,172 km (0.038 R)
• M25: 52,786,656 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.5

Radius: 5.5

Gravity: 23.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.05 AU - 10.03 AU

Year: 19650 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 40,811,781 km

• M1: 77,940 km (0.086 R)
• M2: 384,766 km (0.117 R)
• M3: 1,974,991 km (0.115 R)
• M4: 2,483,025 km (0.038 R)
• M5: 3,374,330 km (0.118 R)
• M6: 3,664,250 km (0.032 R)
• M7: 4,634,243 km (0.099 R)
• M8: 6,569,441 km (0.06 R)
• M9: 8,191,979 km (0.116 R)
• M10: 8,399,023 km (0.117 R)
• M11: 10,421,885 km (0.111 R)
• M12: 11,740,890 km (0.108 R)
• M13: 12,338,683 km (0.076 R)
• M14: 13,523,199 km (0.098 R)
• M15: 14,478,680 km (0.093 R)
• M16: 18,308,984 km (0.111 R)
• M17: 18,842,001 km (0.108 R)
• M18: 20,693,275 km (0.116 R)
• M19: 23,902,299 km (0.118 R)
• M20: 29,193,725 km (0.035 R)
• M21: 30,288,931 km (0.105 R)
• M22: 30,535,917 km (0.108 R)
• M23: 31,033,929 km (0.113 R)
• M24: 32,950,128 km (0.11 R)
• M25: 35,351,922 km (0.094 R)
• M26: 44,675,011 km (0.084 R)
• M27: 48,113,218 km (0.074 R)
• M28: 54,410,541 km (0.104 R)
• M29: 56,625,786 km (0.104 R)
• M30: 61,038,474 km (0.112 R)
• M31: 63,429,198 km (0.102 R)
• M32: 66,504,332 km (0.052 R)
• M33: 67,340,883 km (0.119 R)
• M34: 69,248,705 km (0.113 R)
• M35: 70,974,615 km (0.119 R)
• M36: 73,616,813 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.5

Radius: 6.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.21 AU - 11.17 AU

Year: 20115 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,811,781 km

• M1: 84,523 km (0.078 R)
• M2: 524,191 km (0.077 R)
• M3: 752,028 km (0.11 R)
• M4: 1,119,590 km (0.071 R)
• M5: 1,419,085 km (0.048 R)
• M6: 1,860,848 km (0.099 R)
• M7: 2,426,926 km (0.119 R)
• M8: 5,054,314 km (0.099 R)
• M9: 5,778,218 km (0.1 R)
• M10: 10,711,058 km (0.094 R)
• M11: 14,909,073 km (0.093 R)
• M12: 18,246,602 km (0.094 R)
• M13: 18,533,381 km (0.058 R)
• M14: 20,394,229 km (0.083 R)
• M15: 20,780,939 km (0.064 R)
• M16: 21,489,136 km (0.031 R)
• M17: 22,050,876 km (0.118 R)
• M18: 24,483,337 km (0.117 R)
• M19: 24,832,199 km (0.102 R)
• M20: 34,345,577 km (0.089 R)
• M21: 35,224,015 km (0.088 R)
• M22: 36,230,061 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 10,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit