🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.1

Radius: 11.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.57 AU - 0.87 AU

Year: 394 Days

Day: 9.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,769,025 km

• M1: 139,276 km (0.102 R)
• M2: 524,490 km (0.088 R)
• M3: 991,086 km (0.111 R)
• M4: 1,562,400 km (0.038 R)
• M5: 1,912,160 km (0.037 R)
• M6: 2,418,998 km (0.053 R)
• M7: 2,935,858 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.6

Radius: 8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.63 AU - 1.03 AU

Year: 488 Days

Day: 7.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,769,025 km

• M1: 99,483 km (0.111 R)
• M2: 365,617 km (0.096 R)
• M3: 684,560 km (0.059 R)
• M4: 1,130,810 km (0.096 R)
• M5: 1,898,547 km (0.087 R)
• M6: 2,260,424 km (0.059 R)
• M7: 2,749,459 km (0.057 R)
• M8: 3,607,702 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 15

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.86 AU - 0.86 AU

Year: 515 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,769,025 km

• M1: 189,241 km (0.101 R)
• M2: 778,657 km (0.061 R)
• M3: 1,655,001 km (0.075 R)
• M4: 2,140,147 km (0.037 R)
• M5: 2,628,135 km (0.095 R)
• M6: 3,409,036 km (0.12 R)
• M7: 5,436,835 km (0.061 R)
• M8: 5,931,556 km (0.094 R)
• M9: 6,730,259 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.5

Radius: 14.4

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.87 AU - 0.99 AU

Year: 579 Days

Day: 12.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,769,025 km

• M1: 181,911 km (0.1 R)
• M2: 744,399 km (0.095 R)
• M3: 1,379,741 km (0.115 R)
• M4: 3,391,384 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 14.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.87 AU - 1.33 AU

Year: 745 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,769,025 km

• M1: 177,722 km (0.064 R)
• M2: 768,933 km (0.117 R)
• M3: 1,333,366 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 8.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.06 AU - 1.5 AU

Year: 935 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,769,025 km

• M1: 105,766 km (0.115 R)
• M2: 529,277 km (0.117 R)
• M3: 1,088,773 km (0.091 R)
• M4: 1,448,855 km (0.116 R)
• M5: 3,305,515 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 8.4

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.41 AU - 1.47 AU

Year: 1116 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,769,025 km

• M1: 104,419 km (0.05 R)
• M2: 387,758 km (0.097 R)
• M3: 662,270 km (0.097 R)
• M4: 1,113,756 km (0.09 R)
• M5: 1,535,024 km (0.094 R)
• M6: 1,817,315 km (0.071 R)
• M7: 2,145,383 km (0.111 R)
• M8: 2,623,647 km (0.1 R)
• M9: 3,058,828 km (0.119 R)
• M10: 4,640,077 km (0.084 R)
• M11: 5,523,901 km (0.098 R)
• M12: 5,907,321 km (0.076 R)
• M13: 6,799,223 km (0.12 R)
• M14: 7,165,140 km (0.106 R)
• M15: 7,673,473 km (0.083 R)
• M16: 8,397,826 km (0.099 R)
• M17: 9,981,918 km (0.115 R)
• M18: 10,877,411 km (0.111 R)
• M19: 11,277,136 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.3

Radius: 8.9

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.84 AU - 2.18 AU

Year: 1840 Days

Day: 10.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,769,025 km

• M1: 111,002 km (0.116 R)
• M2: 508,782 km (0.072 R)
• M3: 1,011,132 km (0.063 R)
• M4: 1,724,265 km (0.092 R)
• M5: 2,215,694 km (0.106 R)
• M6: 2,501,875 km (0.115 R)
• M7: 2,917,009 km (0.096 R)
• M8: 3,311,349 km (0.102 R)
• M9: 4,404,760 km (0.029 R)
• M10: 5,034,268 km (0.085 R)
• M11: 5,867,528 km (0.119 R)
• M12: 6,266,056 km (0.059 R)
• M13: 7,542,425 km (0.054 R)
• M14: 7,924,199 km (0.064 R)
• M15: 9,313,215 km (0.071 R)
• M16: 10,456,442 km (0.079 R)
• M17: 12,525,082 km (0.095 R)
• M18: 13,229,239 km (0.074 R)
• M19: 14,223,466 km (0.038 R)
• M20: 14,898,302 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.9

Radius: 10.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.9 AU - 2.28 AU

Year: 1951 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,769,025 km

• M1: 130,749 km (0.102 R)
• M2: 470,485 km (0.058 R)
• M3: 976,874 km (0.099 R)
• M4: 1,363,585 km (0.078 R)
• M5: 2,026,303 km (0.062 R)
• M6: 2,369,181 km (0.08 R)
• M7: 2,696,053 km (0.083 R)
• M8: 3,640,315 km (0.095 R)
• M9: 4,042,284 km (0.114 R)
• M10: 4,650,848 km (0.113 R)
• M11: 5,451,795 km (0.029 R)
• M12: 5,979,726 km (0.119 R)
• M13: 7,031,698 km (0.094 R)
• M14: 7,463,438 km (0.115 R)
• M15: 8,590,508 km (0.051 R)
• M16: 10,265,256 km (0.1 R)
• M17: 10,857,065 km (0.11 R)
• M18: 11,919,210 km (0.091 R)
• M19: 13,089,514 km (0.031 R)
• M20: 14,420,487 km (0.102 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 12.7

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.03 AU - 5.37 AU

Year: 7656 Days

Day: 13.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,769,025 km

• M1: 197,469 km (0.109 R)
• M2: 774,618 km (0.097 R)
• M3: 1,461,422 km (0.114 R)
• M4: 1,895,854 km (0.101 R)
• M5: 2,605,845 km (0.061 R)
• M6: 3,165,641 km (0.116 R)
• M7: 4,387,855 km (0.106 R)
• M8: 5,767,896 km (0.033 R)
• M9: 6,287,000 km (0.101 R)
• M10: 7,661,356 km (0.05 R)
• M11: 9,043,490 km (0.05 R)
• M12: 9,460,569 km (0.075 R)
• M13: 10,085,888 km (0.103 R)
• M14: 11,206,975 km (0.114 R)
• M15: 12,240,397 km (0.077 R)
• M16: 14,686,023 km (0.096 R)
• M17: 16,878,380 km (0.099 R)
• M18: 19,663,892 km (0.051 R)
• M19: 22,913,307 km (0.12 R)
• M20: 23,866,096 km (0.105 R)
• M21: 24,307,859 km (0.025 R)
• M22: 25,390,349 km (0.093 R)
• M23: 26,883,485 km (0.029 R)
• M24: 32,787,964 km (0.105 R)
• M25: 34,557,407 km (0.112 R)
• M26: 38,045,132 km (0.074 R)
• M27: 39,626,980 km (0.085 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: 287 - 12,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit