🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.3

Radius: 11.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.58 AU - 0.78 AU

Year: 362 Days

Day: 8.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,784,091 km

• M1: 143,016 km (0.039 R)
• M2: 606,171 km (0.114 R)
• M3: 971,489 km (0.048 R)
• M4: 1,410,110 km (0.111 R)
• M5: 1,981,274 km (0.088 R)
• M6: 2,923,591 km (0.052 R)
• M7: 3,301,326 km (0.115 R)
• M8: 3,675,320 km (0.096 R)
• M9: 4,276,405 km (0.094 R)
• M10: 4,897,535 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.7

Radius: 14.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.64 AU - 1.94 AU

Year: 1546 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,784,091 km

• M1: 185,352 km (0.083 R)
• M2: 699,220 km (0.074 R)
• M3: 1,180,776 km (0.072 R)
• M4: 1,665,323 km (0.107 R)
• M5: 2,599,263 km (0.073 R)
• M6: 3,125,698 km (0.114 R)
• M7: 3,892,387 km (0.06 R)
• M8: 5,020,205 km (0.071 R)
• M9: 5,762,809 km (0.075 R)
• M10: 6,713,354 km (0.111 R)
• M11: 7,250,560 km (0.104 R)
• M12: 8,306,123 km (0.113 R)
• M13: 9,664,770 km (0.029 R)
• M14: 10,169,364 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 13.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.84 AU - 1.96 AU

Year: 1691 Days

Day: 13.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,784,091 km

• M1: 166,652 km (0.099 R)
• M2: 619,036 km (0.061 R)
• M3: 1,399,039 km (0.109 R)
• M4: 2,165,429 km (0.088 R)
• M5: 2,737,791 km (0.067 R)
• M6: 3,366,850 km (0.119 R)
• M7: 4,090,903 km (0.061 R)
• M8: 4,588,017 km (0.03 R)
• M9: 5,261,507 km (0.106 R)
• M10: 5,746,353 km (0.091 R)
• M11: 8,257,054 km (0.119 R)
• M12: 8,857,989 km (0.047 R)
• M13: 9,576,358 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.4

Radius: 12.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.81 AU - 2.21 AU

Year: 1840 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,784,091 km

• M1: 156,779 km (0.059 R)
• M2: 708,795 km (0.086 R)
• M3: 1,374,056 km (0.108 R)
• M4: 2,823,809 km (0.093 R)
• M5: 3,427,886 km (0.103 R)
• M6: 4,933,289 km (0.099 R)
• M7: 6,703,929 km (0.062 R)
• M8: 7,314,438 km (0.108 R)
• M9: 8,038,791 km (0.108 R)
• M10: 9,486,001 km (0.099 R)
• M11: 10,317,466 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 11.2

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.14 AU - 4.86 AU

Year: 5165 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,784,091 km

• M1: 139,575 km (0.102 R)
• M2: 602,281 km (0.119 R)
• M3: 1,515,426 km (0.106 R)
• M4: 2,922,544 km (0.101 R)
• M5: 3,276,792 km (0.101 R)
• M6: 4,454,576 km (0.092 R)
• M7: 4,860,285 km (0.119 R)
• M8: 5,479,172 km (0.067 R)
• M9: 6,546,104 km (0.096 R)
• M10: 6,902,895 km (0.068 R)
• M11: 8,208,734 km (0.066 R)
• M12: 10,728,262 km (0.09 R)
• M13: 11,818,830 km (0.109 R)
• M14: 13,110,757 km (0.088 R)
• M15: 15,008,406 km (0.105 R)
• M16: 17,550,822 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.4

Radius: 6.5

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.96 AU - 6.58 AU

Year: 10137 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,784,091 km

• M1: 84,373 km (0.11 R)
• M2: 429,196 km (0.098 R)
• M3: 756,965 km (0.05 R)
• M4: 1,330,523 km (0.103 R)
• M5: 1,586,037 km (0.09 R)
• M6: 2,074,025 km (0.072 R)
• M7: 2,976,399 km (0.102 R)
• M8: 4,116,784 km (0.047 R)
• M9: 4,341,480 km (0.093 R)
• M10: 4,724,151 km (0.038 R)
• M11: 5,258,066 km (0.089 R)
• M12: 6,224,468 km (0.098 R)
• M13: 6,596,668 km (0.119 R)
• M14: 8,104,315 km (0.097 R)
• M15: 8,822,534 km (0.114 R)
• M16: 10,592,128 km (0.037 R)
• M17: 12,065,816 km (0.039 R)
• M18: 12,410,939 km (0.114 R)
• M19: 19,177,250 km (0.068 R)
• M20: 19,647,436 km (0.036 R)
• M21: 22,718,531 km (0.083 R)
• M22: 23,333,528 km (0.037 R)
• M23: 23,869,387 km (0.113 R)
• M24: 24,322,220 km (0.106 R)
• M25: 26,286,739 km (0.088 R)
• M26: 31,601,952 km (0.094 R)
• M27: 32,147,984 km (0.103 R)
• M28: 32,811,451 km (0.033 R)
• M29: 35,088,929 km (0.053 R)
• M30: 36,266,114 km (0.099 R)
• M31: 39,198,681 km (0.114 R)
• M32: 39,828,937 km (0.079 R)
• M33: 40,851,439 km (0.087 R)
• M34: 44,567,749 km (0.067 R)
• M35: 46,507,734 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 12,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit