🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 13.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.54 AU - 0.64 AU

Year: 319 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,799,005 km

• M1: 167,849 km (0.103 R)
• M2: 601,234 km (0.101 R)
• M3: 1,115,701 km (0.083 R)
• M4: 1,589,627 km (0.046 R)
• M5: 2,223,772 km (0.117 R)
• M6: 2,839,667 km (0.086 R)
• M7: 3,970,477 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 13.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.79 AU - 1.13 AU

Year: 661 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,799,005 km

• M1: 176,675 km (0.111 R)
• M2: 812,167 km (0.111 R)
• M3: 1,407,716 km (0.119 R)
• M4: 1,950,008 km (0.062 R)
• M5: 2,999,288 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.2

Radius: 15

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.95 AU - 1.09 AU

Year: 724 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,799,005 km

• M1: 186,698 km (0.091 R)
• M2: 772,972 km (0.085 R)
• M3: 1,278,613 km (0.114 R)
• M4: 1,938,340 km (0.097 R)
• M5: 2,500,379 km (0.052 R)
• M6: 3,230,416 km (0.081 R)
• M7: 3,718,704 km (0.084 R)
• M8: 4,358,684 km (0.097 R)
• M9: 5,253,279 km (0.088 R)
• M10: 5,952,050 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 11.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.37 AU - 1.61 AU

Year: 1278 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,799,005 km

• M1: 145,409 km (0.082 R)
• M2: 520,451 km (0.098 R)
• M3: 971,489 km (0.05 R)
• M4: 2,847,745 km (0.029 R)
• M5: 3,345,457 km (0.105 R)
• M6: 3,834,343 km (0.081 R)
• M7: 4,334,449 km (0.102 R)
• M8: 4,858,490 km (0.082 R)
• M9: 5,237,870 km (0.089 R)
• M10: 6,737,290 km (0.064 R)
• M11: 7,679,008 km (0.118 R)
• M12: 9,058,600 km (0.11 R)
• M13: 9,573,965 km (0.039 R)
• M14: 11,169,575 km (0.032 R)
• M15: 11,586,056 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 11

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.7 AU - 2.32 AU

Year: 2003 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,799,005 km

• M1: 137,181 km (0.09 R)
• M2: 748,588 km (0.09 R)
• M3: 1,510,041 km (0.1 R)
• M4: 2,183,082 km (0.086 R)
• M5: 2,818,873 km (0.111 R)
• M6: 3,787,668 km (0.087 R)
• M7: 5,868,724 km (0.082 R)
• M8: 7,182,792 km (0.112 R)
• M9: 9,922,079 km (0.087 R)
• M10: 11,699,451 km (0.079 R)
• M11: 12,377,129 km (0.116 R)
• M12: 14,119,197 km (0.094 R)
• M13: 14,658,647 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.2

Radius: 9.1

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.01 AU - 2.19 AU

Year: 2139 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,799,005 km

• M1: 113,246 km (0.116 R)
• M2: 446,849 km (0.09 R)
• M3: 889,359 km (0.118 R)
• M4: 1,184,067 km (0.055 R)
• M5: 1,526,197 km (0.092 R)
• M6: 2,811,393 km (0.106 R)
• M7: 4,523,241 km (0.119 R)
• M8: 4,935,084 km (0.114 R)
• M9: 5,553,821 km (0.096 R)
• M10: 6,297,921 km (0.115 R)
• M11: 6,681,191 km (0.083 R)
• M12: 8,372,544 km (0.091 R)
• M13: 10,123,138 km (0.086 R)
• M14: 10,578,514 km (0.103 R)
• M15: 11,157,757 km (0.096 R)
• M16: 11,568,254 km (0.081 R)
• M17: 12,261,490 km (0.104 R)
• M18: 13,063,933 km (0.084 R)
• M19: 13,943,868 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.2

Radius: 12.3

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.88 AU - 2.84 AU

Year: 2548 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 170.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,799,005 km

• M1: 153,039 km (0.085 R)
• M2: 723,156 km (0.113 R)
• M3: 1,168,659 km (0.043 R)
• M4: 1,789,789 km (0.07 R)
• M5: 3,428,634 km (0.099 R)
• M6: 3,832,249 km (0.11 R)
• M7: 4,626,913 km (0.036 R)
• M8: 5,677,239 km (0.055 R)
• M9: 7,346,602 km (0.085 R)
• M10: 7,741,091 km (0.091 R)
• M11: 8,278,447 km (0.099 R)
• M12: 9,392,652 km (0.102 R)
• M13: 10,376,557 km (0.086 R)
• M14: 14,578,911 km (0.116 R)
• M15: 14,961,433 km (0.049 R)
• M16: 16,456,215 km (0.11 R)
• M17: 18,545,349 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.4

Radius: 5.5

Gravity: 29.27 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.69 AU - 10.73 AU

Year: 22932 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,799,005 km

• M1: 68,815 km (0.106 R)
• M2: 249,828 km (0.065 R)
• M3: 433,086 km (0.09 R)
• M4: 920,775 km (0.096 R)
• M5: 1,245,851 km (0.118 R)
• M6: 1,435,691 km (0.068 R)
• M7: 2,124,888 km (0.035 R)
• M8: 4,372,447 km (0.071 R)
• M9: 4,929,998 km (0.063 R)
• M10: 5,533,625 km (0.058 R)
• M11: 5,745,456 km (0.104 R)
• M12: 7,231,860 km (0.113 R)
• M13: 8,391,393 km (0.09 R)
• M14: 10,039,962 km (0.099 R)
• M15: 12,461,353 km (0.079 R)
• M16: 13,652,750 km (0.106 R)
• M17: 14,040,059 km (0.12 R)
• M18: 14,594,619 km (0.111 R)
• M19: 16,519,794 km (0.081 R)
• M20: 20,865,761 km (0.119 R)
• M21: 30,526,941 km (0.094 R)
• M22: 44,126,136 km (0.095 R)
• M23: 46,696,826 km (0.081 R)
• M24: 49,004,223 km (0.087 R)
• M25: 49,911,534 km (0.026 R)
• M26: 50,277,600 km (0.118 R)
• M27: 54,037,144 km (0.032 R)
• M28: 54,616,687 km (0.085 R)
• M29: 54,810,865 km (0.105 R)
• M30: 61,688,178 km (0.037 R)
• M31: 65,771,003 km (0.114 R)
• M32: 66,210,970 km (0.113 R)
• M33: 66,874,587 km (0.12 R)
• M34: 69,345,943 km (0.098 R)
• M35: 75,187,591 km (0.12 R)
• M36: 79,840,384 km (0.115 R)
• M37: 82,109,783 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 12,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit