🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 9.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.85 AU - 1.01 AU

Year: 619 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,116,929 km

• M1: 118,182 km (0.061 R)
• M2: 502,050 km (0.088 R)
• M3: 925,263 km (0.099 R)
• M4: 1,327,382 km (0.098 R)
• M5: 2,111,724 km (0.066 R)
• M6: 2,443,232 km (0.059 R)
• M7: 3,154,720 km (0.119 R)
• M8: 4,108,107 km (0.082 R)
• M9: 4,465,496 km (0.074 R)
• M10: 5,578,056 km (0.084 R)
• M11: 5,945,468 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 10.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.21 AU - 1.51 AU

Year: 1095 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,116,929 km

• M1: 130,749 km (0.098 R)
• M2: 519,254 km (0.109 R)
• M3: 854,653 km (0.109 R)
• M4: 1,196,933 km (0.106 R)
• M5: 1,531,433 km (0.119 R)
• M6: 1,956,740 km (0.07 R)
• M7: 2,460,436 km (0.082 R)
• M8: 2,902,647 km (0.086 R)
• M9: 3,560,729 km (0.083 R)
• M10: 4,144,310 km (0.034 R)
• M11: 6,701,237 km (0.116 R)
• M12: 7,826,661 km (0.089 R)
• M13: 8,187,791 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 12.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.38 AU - 1.64 AU

Year: 1281 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 84.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,116,929 km

• M1: 153,039 km (0.039 R)
• M2: 757,414 km (0.099 R)
• M3: 1,293,722 km (0.092 R)
• M4: 2,407,179 km (0.113 R)
• M5: 2,955,755 km (0.033 R)
• M6: 3,833,146 km (0.051 R)
• M7: 5,027,236 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.8

Radius: 10.1

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.65 AU - 2.57 AU

Year: 2116 Days

Day: 13.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,116,929 km

• M1: 125,812 km (0.104 R)
• M2: 478,115 km (0.1 R)
• M3: 815,608 km (0.086 R)
• M4: 1,361,041 km (0.079 R)
• M5: 2,255,637 km (0.101 R)
• M6: 2,789,103 km (0.081 R)
• M7: 3,405,147 km (0.035 R)
• M8: 4,784,888 km (0.105 R)
• M9: 5,203,164 km (0.071 R)
• M10: 6,185,573 km (0.113 R)
• M11: 6,530,845 km (0.062 R)
• M12: 6,967,521 km (0.085 R)
• M13: 7,561,275 km (0.1 R)
• M14: 8,484,892 km (0.086 R)
• M15: 11,013,994 km (0.112 R)
• M16: 11,412,373 km (0.11 R)
• M17: 11,820,326 km (0.111 R)
• M18: 12,508,776 km (0.074 R)
• M19: 14,049,933 km (0.119 R)
• M20: 14,389,819 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 13.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.33 AU - 3.27 AU

Year: 3234 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,116,929 km

• M1: 172,935 km (0.097 R)
• M2: 705,354 km (0.081 R)
• M3: 1,194,539 km (0.118 R)
• M4: 1,928,915 km (0.095 R)
• M5: 2,647,583 km (0.054 R)
• M6: 3,486,229 km (0.034 R)
• M7: 3,968,532 km (0.109 R)
• M8: 5,642,084 km (0.093 R)
• M9: 6,391,569 km (0.051 R)
• M10: 8,378,378 km (0.09 R)
• M11: 8,874,594 km (0.043 R)
• M12: 9,355,252 km (0.115 R)
• M13: 10,444,475 km (0.089 R)
• M14: 11,697,805 km (0.072 R)
• M15: 15,859,618 km (0.075 R)
• M16: 17,673,941 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 8.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.93 AU - 3.19 AU

Year: 3695 Days

Day: 12.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,116,929 km

• M1: 110,702 km (0.069 R)
• M2: 662,569 km (0.108 R)
• M3: 952,639 km (0.046 R)
• M4: 1,366,128 km (0.089 R)
• M5: 2,089,583 km (0.082 R)
• M6: 3,617,277 km (0.036 R)
• M7: 4,611,953 km (0.111 R)
• M8: 5,829,380 km (0.116 R)
• M9: 6,217,437 km (0.086 R)
• M10: 7,161,100 km (0.049 R)
• M11: 7,546,165 km (0.094 R)
• M12: 7,976,110 km (0.063 R)
• M13: 8,684,904 km (0.096 R)
• M14: 9,718,326 km (0.115 R)
• M15: 10,007,200 km (0.053 R)
• M16: 10,947,423 km (0.078 R)
• M17: 11,419,105 km (0.051 R)
• M18: 13,133,496 km (0.109 R)
• M19: 13,487,146 km (0.058 R)

Asteroid Belt

Center: 3.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 14.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.85 AU - 4.29 AU

Year: 4656 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,116,929 km

• M1: 181,612 km (0.057 R)
• M2: 758,162 km (0.11 R)
• M3: 1,392,008 km (0.079 R)
• M4: 1,847,833 km (0.104 R)
• M5: 2,769,206 km (0.03 R)
• M6: 3,306,113 km (0.073 R)
• M7: 4,161,813 km (0.057 R)
• M8: 4,642,920 km (0.057 R)
• M9: 5,546,790 km (0.063 R)
• M10: 6,071,430 km (0.06 R)
• M11: 7,322,816 km (0.115 R)
• M12: 7,847,605 km (0.071 R)
• M13: 8,586,619 km (0.103 R)
• M14: 9,452,790 km (0.082 R)
• M15: 12,600,479 km (0.118 R)
• M16: 13,408,008 km (0.093 R)
• M17: 15,182,389 km (0.119 R)
• M18: 15,692,517 km (0.092 R)
• M19: 17,848,223 km (0.045 R)
• M20: 18,480,723 km (0.109 R)
• M21: 19,457,297 km (0.114 R)
• M22: 22,667,668 km (0.093 R)
• M23: 24,091,391 km (0.1 R)
• M24: 25,099,381 km (0.029 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.6

Radius: 8.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.55 AU - 5.77 AU

Year: 8091 Days

Day: 7.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,116,929 km

• M1: 100,979 km (0.057 R)
• M2: 564,134 km (0.118 R)
• M3: 1,007,542 km (0.043 R)
• M4: 1,781,711 km (0.097 R)
• M5: 2,067,443 km (0.102 R)
• M6: 5,295,765 km (0.059 R)
• M7: 6,506,610 km (0.103 R)
• M8: 9,998,822 km (0.113 R)
• M9: 14,011,935 km (0.05 R)
• M10: 14,617,208 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.2

Radius: 3.6

Gravity: 23.94 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.72 AU - 9.14 AU

Year: 15414 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,116,929 km

• M1: 49,517 km (0.112 R)
• M2: 200,611 km (0.104 R)
• M3: 449,242 km (0.119 R)
• M4: 618,737 km (0.081 R)
• M5: 877,691 km (0.061 R)
• M6: 1,889,720 km (0.062 R)
• M7: 2,632,623 km (0.067 R)
• M8: 5,172,197 km (0.057 R)
• M9: 5,643,131 km (0.104 R)
• M10: 5,818,011 km (0.061 R)
• M11: 5,996,631 km (0.11 R)
• M12: 6,252,742 km (0.115 R)
• M13: 8,433,879 km (0.066 R)
• M14: 10,329,583 km (0.066 R)
• M15: 10,486,212 km (0.091 R)
• M16: 11,019,678 km (0.039 R)
• M17: 13,646,019 km (0.065 R)
• M18: 17,166,655 km (0.051 R)
• M19: 22,798,715 km (0.108 R)
• M20: 24,515,949 km (0.079 R)
• M21: 24,888,149 km (0.083 R)
• M22: 28,205,183 km (0.073 R)
• M23: 29,968,941 km (0.052 R)
• M24: 34,755,924 km (0.054 R)
• M25: 42,651,699 km (0.074 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: 314 - 11,553 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit