🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.7

Radius: 12.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.14 AU - 1.74 AU

Year: 1215 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,745,052 km

• M1: 159,621 km (0.085 R)
• M2: 572,960 km (0.112 R)
• M3: 1,207,704 km (0.094 R)
• M4: 1,698,983 km (0.081 R)
• M5: 3,184,789 km (0.092 R)
• M6: 3,770,764 km (0.097 R)
• M7: 4,177,371 km (0.096 R)
• M8: 4,651,147 km (0.075 R)
• M9: 5,794,823 km (0.086 R)
• M10: 7,400,008 km (0.048 R)
• M11: 8,291,761 km (0.102 R)
• M12: 8,954,629 km (0.085 R)
• M13: 9,375,299 km (0.115 R)
• M14: 9,999,271 km (0.062 R)
• M15: 11,192,165 km (0.11 R)
• M16: 12,256,853 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.2

Radius: 14.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.36 AU - 2.74 AU

Year: 2862 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,745,052 km

• M1: 182,958 km (0.088 R)
• M2: 678,127 km (0.067 R)
• M3: 1,302,399 km (0.106 R)
• M4: 2,006,556 km (0.118 R)
• M5: 2,493,348 km (0.089 R)
• M6: 3,210,670 km (0.071 R)
• M7: 3,729,026 km (0.057 R)
• M8: 4,711,735 km (0.116 R)
• M9: 5,518,217 km (0.098 R)
• M10: 6,365,689 km (0.116 R)
• M11: 7,940,655 km (0.043 R)
• M12: 9,371,110 km (0.094 R)
• M13: 10,029,640 km (0.037 R)
• M14: 14,176,941 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.6

Radius: 10.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.5 AU - 2.64 AU

Year: 2896 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,745,052 km

• M1: 134,339 km (0.096 R)
• M2: 474,375 km (0.118 R)
• M3: 1,088,325 km (0.049 R)
• M4: 1,573,620 km (0.095 R)
• M5: 1,916,798 km (0.105 R)
• M6: 2,439,193 km (0.114 R)
• M7: 3,464,687 km (0.069 R)
• M8: 4,054,551 km (0.095 R)
• M9: 4,802,989 km (0.078 R)
• M10: 5,235,177 km (0.047 R)
• M11: 5,693,097 km (0.112 R)
• M12: 6,122,592 km (0.06 R)
• M13: 6,777,980 km (0.107 R)
• M14: 7,199,398 km (0.11 R)
• M15: 7,799,135 km (0.084 R)
• M16: 8,884,618 km (0.034 R)
• M17: 10,029,340 km (0.12 R)
• M18: 10,697,594 km (0.106 R)
• M19: 13,765,846 km (0.077 R)
• M20: 14,991,053 km (0.095 R)
• M21: 15,812,495 km (0.05 R)
• M22: 16,990,578 km (0.103 R)
• M23: 17,544,988 km (0.074 R)
• M24: 17,997,222 km (0.079 R)
• M25: 19,221,232 km (0.026 R)
• M26: 20,006,471 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 8.4

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.31 AU - 2.89 AU

Year: 2947 Days

Day: 13.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,745,052 km

• M1: 112,797 km (0.086 R)
• M2: 393,143 km (0.037 R)
• M3: 1,120,039 km (0.049 R)
• M4: 1,434,045 km (0.119 R)
• M5: 1,747,902 km (0.05 R)
• M6: 2,654,165 km (0.115 R)
• M7: 3,328,104 km (0.092 R)
• M8: 4,027,773 km (0.102 R)
• M9: 4,303,332 km (0.079 R)
• M10: 4,752,126 km (0.06 R)
• M11: 5,108,767 km (0.042 R)
• M12: 5,743,212 km (0.111 R)
• M13: 6,259,624 km (0.084 R)
• M14: 6,955,703 km (0.078 R)
• M15: 8,398,873 km (0.106 R)
• M16: 8,709,887 km (0.097 R)
• M17: 9,878,546 km (0.025 R)
• M18: 10,342,748 km (0.102 R)
• M19: 11,995,505 km (0.092 R)
• M20: 19,343,603 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.3

Radius: 9.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.33 AU - 3.33 AU

Year: 3346 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,745,052 km

• M1: 119,379 km (0.117 R)
• M2: 579,243 km (0.093 R)
• M3: 916,586 km (0.116 R)
• M4: 1,792,033 km (0.105 R)
• M5: 2,235,591 km (0.112 R)
• M6: 3,377,920 km (0.099 R)
• M7: 4,493,172 km (0.081 R)
• M8: 6,186,620 km (0.118 R)
• M9: 6,523,215 km (0.028 R)
• M10: 6,981,733 km (0.117 R)
• M11: 7,318,178 km (0.111 R)
• M12: 7,873,186 km (0.053 R)
• M13: 8,362,072 km (0.092 R)
• M14: 8,806,527 km (0.097 R)
• M15: 12,657,625 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.9

Radius: 3.9

Gravity: 30.89 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.21 AU - 6.83 AU

Year: 9116 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,745,052 km

• M1: 51,013 km (0.077 R)
• M2: 187,895 km (0.068 R)
• M3: 442,959 km (0.03 R)
• M4: 683,812 km (0.115 R)
• M5: 856,149 km (0.059 R)
• M6: 1,361,490 km (0.111 R)
• M7: 1,824,496 km (0.116 R)
• M8: 2,108,582 km (0.104 R)
• M9: 2,784,465 km (0.111 R)
• M10: 3,074,386 km (0.115 R)
• M11: 3,406,942 km (0.109 R)
• M12: 4,039,741 km (0.094 R)
• M13: 4,438,569 km (0.095 R)
• M14: 4,633,495 km (0.109 R)
• M15: 6,059,312 km (0.081 R)
• M16: 6,653,066 km (0.103 R)
• M17: 6,945,380 km (0.118 R)
• M18: 7,713,865 km (0.083 R)
• M19: 8,201,404 km (0.06 R)
• M20: 10,260,768 km (0.096 R)
• M21: 12,311,456 km (0.103 R)
• M22: 13,490,138 km (0.115 R)
• M23: 20,526,025 km (0.06 R)
• M24: 20,989,030 km (0.064 R)
• M25: 23,242,273 km (0.075 R)
• M26: 24,947,091 km (0.067 R)
• M27: 25,474,273 km (0.073 R)
• M28: 26,098,695 km (0.096 R)
• M29: 27,100,552 km (0.103 R)
• M30: 33,230,773 km (0.059 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 15,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit