🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.3

Radius: 11.2

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.02 AU - 1.34 AU

Year: 885 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,968,879 km

• M1: 139,276 km (0.055 R)
• M2: 509,979 km (0.062 R)
• M3: 972,386 km (0.059 R)
• M4: 1,379,891 km (0.093 R)
• M5: 1,756,129 km (0.068 R)
• M6: 2,642,796 km (0.085 R)
• M7: 3,219,346 km (0.103 R)
• M8: 3,607,253 km (0.104 R)
• M9: 3,966,737 km (0.118 R)
• M10: 5,596,008 km (0.118 R)
• M11: 6,100,003 km (0.086 R)
• M12: 6,826,151 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.2

Radius: 10.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.14 AU - 1.26 AU

Year: 907 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,968,879 km

• M1: 169,644 km (0.098 R)
• M2: 552,166 km (0.091 R)
• M3: 1,081,443 km (0.054 R)
• M4: 1,585,737 km (0.098 R)
• M5: 2,098,409 km (0.117 R)
• M6: 2,881,105 km (0.083 R)
• M7: 3,327,206 km (0.103 R)
• M8: 3,905,851 km (0.095 R)
• M9: 4,422,412 km (0.097 R)
• M10: 5,140,632 km (0.054 R)
• M11: 5,686,514 km (0.105 R)
• M12: 6,872,825 km (0.101 R)
• M13: 7,310,399 km (0.114 R)
• M14: 7,906,846 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.8

Radius: 8.7

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.11 AU - 2.85 AU

Year: 2696 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,968,879 km

• M1: 108,159 km (0.074 R)
• M2: 518,506 km (0.118 R)
• M3: 803,191 km (0.104 R)
• M4: 1,170,603 km (0.099 R)
• M5: 2,057,719 km (0.118 R)
• M6: 2,518,480 km (0.119 R)
• M7: 2,805,110 km (0.088 R)
• M8: 3,181,199 km (0.111 R)
• M9: 3,818,336 km (0.113 R)
• M10: 4,281,641 km (0.09 R)
• M11: 4,872,702 km (0.117 R)
• M12: 5,344,982 km (0.101 R)
• M13: 6,687,922 km (0.096 R)
• M14: 7,514,451 km (0.1 R)
• M15: 8,308,516 km (0.059 R)
• M16: 9,333,860 km (0.11 R)
• M17: 9,693,643 km (0.106 R)
• M18: 12,093,342 km (0.079 R)
• M19: 12,521,342 km (0.101 R)
• M20: 13,003,795 km (0.103 R)
• M21: 18,420,135 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.3

Radius: 11.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.71 AU - 3.07 AU

Year: 3391 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,968,879 km

• M1: 144,212 km (0.08 R)
• M2: 572,062 km (0.082 R)
• M3: 1,200,822 km (0.117 R)
• M4: 2,191,010 km (0.109 R)
• M5: 2,588,043 km (0.103 R)
• M6: 3,510,912 km (0.076 R)
• M7: 4,311,111 km (0.112 R)
• M8: 4,800,745 km (0.057 R)
• M9: 6,582,606 km (0.05 R)
• M10: 8,157,572 km (0.03 R)
• M11: 10,355,165 km (0.088 R)
• M12: 10,749,804 km (0.098 R)
• M13: 13,195,280 km (0.105 R)
• M14: 13,706,755 km (0.086 R)
• M15: 14,670,465 km (0.084 R)
• M16: 15,473,656 km (0.083 R)
• M17: 16,358,826 km (0.105 R)
• M18: 16,786,826 km (0.059 R)
• M19: 20,858,282 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.5

Radius: 7.9

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.14 AU - 6.32 AU

Year: 10734 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,968,879 km

• M1: 98,735 km (0.112 R)
• M2: 380,876 km (0.028 R)
• M3: 889,359 km (0.092 R)
• M4: 1,170,304 km (0.098 R)
• M5: 1,511,088 km (0.071 R)
• M6: 2,041,562 km (0.087 R)
• M7: 2,908,033 km (0.074 R)
• M8: 3,469,923 km (0.118 R)
• M9: 3,752,812 km (0.111 R)
• M10: 4,391,894 km (0.117 R)
• M11: 5,131,357 km (0.111 R)
• M12: 6,051,084 km (0.063 R)
• M13: 9,975,336 km (0.072 R)
• M14: 10,745,914 km (0.037 R)
• M15: 12,135,230 km (0.091 R)
• M16: 13,410,103 km (0.096 R)
• M17: 14,894,413 km (0.116 R)
• M18: 15,141,698 km (0.11 R)
• M19: 19,554,835 km (0.067 R)
• M20: 21,853,706 km (0.072 R)
• M21: 23,150,570 km (0.104 R)
• M22: 28,949,133 km (0.092 R)
• M23: 33,910,995 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.1

Radius: 7.4

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.8 AU - 9.16 AU

Year: 14121 Days

Day: 24.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,968,879 km

• M1: 151,991 km (0.099 R)
• M2: 637,437 km (0.085 R)
• M3: 1,023,549 km (0.114 R)
• M4: 1,711,100 km (0.116 R)
• M5: 1,941,332 km (0.086 R)
• M6: 2,345,545 km (0.084 R)
• M7: 3,525,723 km (0.099 R)
• M8: 3,901,961 km (0.096 R)
• M9: 5,092,611 km (0.032 R)
• M10: 5,753,235 km (0.099 R)
• M11: 7,075,830 km (0.114 R)
• M12: 8,261,991 km (0.103 R)
• M13: 11,477,597 km (0.074 R)
• M14: 12,124,159 km (0.112 R)
• M15: 12,670,940 km (0.071 R)
• M16: 12,981,804 km (0.093 R)
• M17: 13,361,483 km (0.055 R)
• M18: 15,583,760 km (0.106 R)
• M19: 17,119,681 km (0.091 R)
• M20: 17,576,403 km (0.035 R)
• M21: 19,733,006 km (0.087 R)
• M22: 20,831,803 km (0.086 R)
• M23: 21,177,972 km (0.081 R)
• M24: 26,943,474 km (0.079 R)
• M25: 30,018,458 km (0.113 R)
• M26: 31,697,246 km (0.112 R)
• M27: 32,040,423 km (0.058 R)
• M28: 34,996,776 km (0.112 R)
• M29: 36,104,100 km (0.119 R)
• M30: 37,234,611 km (0.078 R)
• M31: 37,872,795 km (0.112 R)
• M32: 44,517,933 km (0.07 R)
• M33: 47,888,822 km (0.045 R)
• M34: 49,713,317 km (0.086 R)
• M35: 50,642,769 km (0.071 R)
• M36: 53,177,854 km (0.085 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 17,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit