🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 10.6

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.03 AU - 1.19 AU

Year: 807 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,889,165 km

• M1: 131,796 km (0.068 R)
• M2: 567,874 km (0.028 R)
• M3: 1,241,662 km (0.093 R)
• M4: 1,652,458 km (0.056 R)
• M5: 2,017,028 km (0.084 R)
• M6: 2,754,695 km (0.048 R)
• M7: 3,153,673 km (0.084 R)
• M8: 3,663,203 km (0.083 R)
• M9: 4,847,869 km (0.074 R)
• M10: 5,189,700 km (0.115 R)
• M11: 5,547,687 km (0.07 R)
• M12: 6,355,815 km (0.062 R)
• M13: 6,966,922 km (0.112 R)
• M14: 7,592,840 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.2

Radius: 8.3

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.57 AU - 1.65 AU

Year: 1410 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,889,165 km

• M1: 107,710 km (0.081 R)
• M2: 366,066 km (0.119 R)
• M3: 663,766 km (0.045 R)
• M4: 957,426 km (0.064 R)
• M5: 1,440,777 km (0.082 R)
• M6: 1,699,581 km (0.1 R)
• M7: 2,000,722 km (0.12 R)
• M8: 2,264,912 km (0.03 R)
• M9: 2,950,070 km (0.111 R)
• M10: 3,232,660 km (0.032 R)
• M11: 4,246,186 km (0.107 R)
• M12: 4,866,718 km (0.076 R)
• M13: 5,546,341 km (0.096 R)
• M14: 6,532,341 km (0.091 R)
• M15: 7,412,574 km (0.077 R)
• M16: 8,428,494 km (0.103 R)
• M17: 8,756,711 km (0.083 R)
• M18: 9,062,340 km (0.119 R)
• M19: 9,566,485 km (0.116 R)
• M20: 10,493,393 km (0.031 R)
• M21: 12,640,571 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.6

Radius: 8.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.17 AU - 3.01 AU

Year: 2877 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,889,165 km

• M1: 103,223 km (0.096 R)
• M2: 903,721 km (0.05 R)
• M3: 1,611,468 km (0.102 R)
• M4: 1,980,526 km (0.096 R)
• M5: 2,984,777 km (0.096 R)
• M6: 3,727,829 km (0.106 R)
• M7: 4,073,400 km (0.119 R)
• M8: 4,356,888 km (0.099 R)
• M9: 4,697,074 km (0.115 R)
• M10: 4,963,807 km (0.068 R)
• M11: 5,382,831 km (0.089 R)
• M12: 10,027,396 km (0.053 R)
• M13: 11,963,192 km (0.112 R)
• M14: 13,907,516 km (0.099 R)
• M15: 15,854,233 km (0.057 R)
• M16: 16,456,663 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.3

Radius: 11.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.78 AU - 4.02 AU

Year: 4327 Days

Day: 12.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,889,165 km

• M1: 173,833 km (0.097 R)
• M2: 578,196 km (0.095 R)
• M3: 1,399,937 km (0.066 R)
• M4: 3,734,412 km (0.08 R)
• M5: 4,780,250 km (0.108 R)
• M6: 6,891,226 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.4

Radius: 7.1

Gravity: 16.83 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.99 AU - 6.55 AU

Year: 9567 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 46,889,165 km

• M1: 90,507 km (0.103 R)
• M2: 409,300 km (0.093 R)
• M3: 752,477 km (0.102 R)
• M4: 1,137,243 km (0.113 R)
• M5: 1,435,392 km (0.08 R)
• M6: 1,753,885 km (0.053 R)
• M7: 2,014,784 km (0.091 R)
• M8: 2,474,648 km (0.095 R)
• M9: 3,233,708 km (0.096 R)
• M10: 3,552,052 km (0.116 R)
• M11: 3,918,118 km (0.088 R)
• M12: 5,435,190 km (0.117 R)
• M13: 6,066,343 km (0.091 R)
• M14: 7,022,722 km (0.101 R)
• M15: 8,944,157 km (0.112 R)
• M16: 11,027,158 km (0.071 R)
• M17: 13,600,690 km (0.053 R)
• M18: 15,026,508 km (0.109 R)
• M19: 15,637,465 km (0.114 R)
• M20: 15,914,371 km (0.084 R)
• M21: 16,549,115 km (0.084 R)
• M22: 19,898,162 km (0.082 R)
• M23: 20,552,055 km (0.102 R)
• M24: 20,800,986 km (0.113 R)
• M25: 21,816,605 km (0.062 R)
• M26: 22,424,122 km (0.104 R)
• M27: 22,688,013 km (0.094 R)
• M28: 23,582,309 km (0.08 R)
• M29: 24,038,283 km (0.102 R)
• M30: 24,686,341 km (0.078 R)
• M31: 25,632,249 km (0.071 R)
• M32: 26,211,342 km (0.115 R)
• M33: 27,295,627 km (0.103 R)
• M34: 33,856,093 km (0.081 R)
• M35: 34,319,696 km (0.086 R)
• M36: 42,728,293 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.4

Radius: 7.2

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.24 AU - 7.22 AU

Year: 10734 Days

Day: 18.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,889,165 km

• M1: 89,609 km (0.062 R)
• M2: 330,462 km (0.088 R)
• M3: 996,621 km (0.064 R)
• M4: 1,547,740 km (0.098 R)
• M5: 4,111,548 km (0.074 R)
• M6: 6,524,113 km (0.097 R)
• M7: 7,191,918 km (0.095 R)
• M8: 10,129,421 km (0.074 R)
• M9: 11,177,654 km (0.111 R)
• M10: 13,429,251 km (0.12 R)
• M11: 18,300,457 km (0.114 R)
• M12: 21,405,211 km (0.115 R)
• M13: 23,207,866 km (0.105 R)
• M14: 24,493,659 km (0.055 R)
• M15: 25,916,634 km (0.09 R)
• M16: 35,071,874 km (0.117 R)
• M17: 36,420,200 km (0.075 R)
• M18: 36,762,480 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.8

Radius: 3.6

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.82 AU - 11.12 AU

Year: 21730 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,889,165 km

• M1: 46,824 km (0.116 R)
• M2: 1,062,145 km (0.053 R)
• M3: 2,823,510 km (0.105 R)
• M4: 8,493,718 km (0.081 R)
• M5: 10,521,517 km (0.049 R)
• M6: 11,155,214 km (0.083 R)
• M7: 17,822,342 km (0.117 R)
• M8: 20,852,746 km (0.038 R)
• M9: 25,590,810 km (0.082 R)
• M10: 26,348,673 km (0.074 R)
• M11: 30,363,132 km (0.098 R)
• M12: 44,812,641 km (0.084 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: 505 - 15,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit