🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 12.6

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,327,785 km

• M1: 156,779 km (0.107 R)
• M2: 596,746 km (0.082 R)
• M3: 1,343,389 km (0.092 R)
• M4: 1,994,588 km (0.085 R)
• M5: 2,507,709 km (0.049 R)
• M6: 2,922,843 km (0.104 R)
• M7: 3,577,483 km (0.07 R)
• M8: 4,398,477 km (0.061 R)
• M9: 4,976,822 km (0.114 R)
• M10: 5,373,855 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 12.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.44 AU - 1.62 AU

Year: 1306 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,327,785 km

• M1: 152,141 km (0.101 R)
• M2: 681,717 km (0.09 R)
• M3: 1,222,364 km (0.084 R)
• M4: 1,857,258 km (0.073 R)
• M5: 2,280,470 km (0.101 R)
• M6: 2,735,995 km (0.096 R)
• M7: 3,425,791 km (0.092 R)
• M8: 3,971,225 km (0.078 R)
• M9: 4,497,361 km (0.117 R)
• M10: 5,136,144 km (0.112 R)
• M11: 5,945,019 km (0.107 R)
• M12: 7,042,021 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.2

Radius: 11.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.63 AU - 1.73 AU

Year: 1503 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,327,785 km

• M1: 144,362 km (0.114 R)
• M2: 553,961 km (0.099 R)
• M3: 1,137,991 km (0.097 R)
• M4: 1,544,149 km (0.088 R)
• M5: 2,369,032 km (0.095 R)
• M6: 2,854,926 km (0.112 R)
• M7: 4,183,205 km (0.107 R)
• M8: 4,595,048 km (0.049 R)
• M9: 5,397,192 km (0.108 R)
• M10: 6,906,036 km (0.101 R)
• M11: 7,458,202 km (0.101 R)
• M12: 8,093,843 km (0.072 R)
• M13: 8,509,127 km (0.107 R)
• M14: 9,263,100 km (0.107 R)
• M15: 10,937,250 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.8

Radius: 15

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.21 AU - 2.67 AU

Year: 2631 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,327,785 km

• M1: 186,549 km (0.083 R)
• M2: 933,042 km (0.101 R)
• M3: 1,708,557 km (0.111 R)
• M4: 3,094,731 km (0.109 R)
• M5: 3,874,734 km (0.054 R)
• M6: 6,288,795 km (0.11 R)
• M7: 7,051,744 km (0.039 R)
• M8: 8,123,015 km (0.073 R)
• M9: 9,823,195 km (0.105 R)
• M10: 10,513,888 km (0.111 R)
• M11: 11,393,224 km (0.115 R)
• M12: 11,992,663 km (0.066 R)
• M13: 13,081,885 km (0.03 R)
• M14: 16,093,141 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689

Radius: 8.2

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.38 AU - 2.82 AU

Year: 2894 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,327,785 km

• M1: 102,026 km (0.075 R)
• M2: 387,458 km (0.118 R)
• M3: 761,752 km (0.077 R)
• M4: 1,037,461 km (0.112 R)
• M5: 1,543,102 km (0.071 R)
• M6: 2,058,616 km (0.114 R)
• M7: 2,342,852 km (0.031 R)
• M8: 3,695,965 km (0.06 R)
• M9: 4,396,382 km (0.05 R)
• M10: 4,918,479 km (0.12 R)
• M11: 8,236,111 km (0.114 R)
• M12: 8,887,909 km (0.109 R)
• M13: 9,353,457 km (0.087 R)
• M14: 9,986,555 km (0.034 R)
• M15: 10,767,606 km (0.101 R)
• M16: 11,715,458 km (0.087 R)
• M17: 12,318,936 km (0.085 R)
• M18: 13,079,491 km (0.083 R)
• M19: 13,823,591 km (0.11 R)
• M20: 14,109,772 km (0.12 R)
• M21: 14,546,448 km (0.116 R)
• M22: 16,490,323 km (0.101 R)
• M23: 17,580,143 km (0.064 R)
• M24: 18,775,430 km (0.119 R)
• M25: 19,185,478 km (0.036 R)
• M26: 19,482,131 km (0.099 R)
• M27: 19,781,925 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550

Radius: 6.4

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.49 AU - 5.89 AU

Year: 9369 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,327,785 km

• M1: 79,586 km (0.066 R)
• M2: 380,876 km (0.031 R)
• M3: 705,653 km (0.093 R)
• M4: 1,723,667 km (0.087 R)
• M5: 2,703,533 km (0.088 R)
• M6: 4,223,746 km (0.11 R)
• M7: 4,758,858 km (0.074 R)
• M8: 6,454,101 km (0.087 R)
• M9: 9,886,923 km (0.078 R)
• M10: 10,776,432 km (0.11 R)
• M11: 12,209,131 km (0.1 R)
• M12: 14,998,383 km (0.048 R)
• M13: 15,971,069 km (0.112 R)
• M14: 18,041,354 km (0.082 R)
• M15: 21,960,369 km (0.111 R)
• M16: 28,116,172 km (0.053 R)
• M17: 29,591,356 km (0.099 R)
• M18: 33,995,667 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.4

Radius: 3.4

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.25 AU - 8.81 AU

Year: 17196 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,327,785 km

• M1: 47,273 km (0.061 R)
• M2: 278,402 km (0.09 R)
• M3: 932,892 km (0.067 R)
• M4: 1,915,601 km (0.057 R)
• M5: 5,946,067 km (0.117 R)
• M6: 6,416,402 km (0.105 R)
• M7: 6,555,229 km (0.105 R)
• M8: 9,101,534 km (0.056 R)
• M9: 9,816,463 km (0.093 R)
• M10: 11,306,607 km (0.078 R)
• M11: 11,458,449 km (0.06 R)
• M12: 16,025,074 km (0.1 R)
• M13: 22,940,235 km (0.052 R)
• M14: 24,341,818 km (0.057 R)
• M15: 32,824,316 km (0.059 R)
• M16: 33,444,250 km (0.086 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 17,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit