🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 12.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.67 AU - 0.79 AU

Year: 423 Days

Day: 14.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,627,893 km

• M1: 158,125 km (0.12 R)
• M2: 578,794 km (0.102 R)
• M3: 1,091,616 km (0.065 R)
• M4: 1,512,434 km (0.086 R)
• M5: 2,142,541 km (0.089 R)
• M6: 2,629,931 km (0.095 R)
• M7: 3,124,950 km (0.105 R)
• M8: 3,682,202 km (0.062 R)
• M9: 4,513,667 km (0.087 R)
• M10: 5,119,688 km (0.081 R)
• M11: 5,629,817 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 9.7

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.96 AU - 1.24 AU

Year: 782 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,627,893 km

• M1: 120,875 km (0.12 R)
• M2: 430,393 km (0.098 R)
• M3: 821,292 km (0.089 R)
• M4: 1,245,103 km (0.074 R)
• M5: 1,554,771 km (0.091 R)
• M6: 2,642,946 km (0.084 R)
• M7: 2,978,643 km (0.107 R)
• M8: 3,515,550 km (0.045 R)
• M9: 4,618,086 km (0.088 R)
• M10: 5,073,013 km (0.074 R)
• M11: 6,192,005 km (0.077 R)
• M12: 6,537,128 km (0.088 R)
• M13: 6,916,508 km (0.086 R)
• M14: 7,490,515 km (0.053 R)
• M15: 8,072,002 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 10.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1 AU - 1.36 AU

Year: 869 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,627,893 km

• M1: 131,796 km (0.069 R)
• M2: 680,072 km (0.055 R)
• M3: 1,233,135 km (0.115 R)
• M4: 2,095,268 km (0.088 R)
• M5: 2,463,129 km (0.095 R)
• M6: 3,458,553 km (0.064 R)
• M7: 3,899,418 km (0.03 R)
• M8: 4,517,257 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 9.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.41 AU - 1.45 AU

Year: 1160 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,627,893 km

• M1: 121,174 km (0.106 R)
• M2: 453,282 km (0.109 R)
• M3: 814,860 km (0.085 R)
• M4: 1,257,968 km (0.097 R)
• M5: 1,804,150 km (0.111 R)
• M6: 3,453,766 km (0.112 R)
• M7: 4,947,052 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.3

Radius: 12.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.23 AU - 4.23 AU

Year: 5901 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,627,893 km

• M1: 160,369 km (0.084 R)
• M2: 567,874 km (0.076 R)
• M3: 1,014,124 km (0.109 R)
• M4: 1,523,804 km (0.107 R)
• M5: 2,204,325 km (0.028 R)
• M6: 2,607,640 km (0.107 R)
• M7: 3,138,264 km (0.12 R)
• M8: 3,696,563 km (0.102 R)
• M9: 5,574,765 km (0.103 R)
• M10: 6,145,780 km (0.106 R)
• M11: 6,656,806 km (0.114 R)
• M12: 7,874,084 km (0.114 R)
• M13: 8,362,222 km (0.083 R)
• M14: 11,207,424 km (0.082 R)
• M15: 11,777,990 km (0.097 R)
• M16: 12,467,935 km (0.101 R)
• M17: 14,091,820 km (0.094 R)
• M18: 14,926,277 km (0.119 R)
• M19: 20,361,018 km (0.07 R)
• M20: 21,283,439 km (0.091 R)
• M21: 22,233,385 km (0.065 R)
• M22: 25,334,399 km (0.087 R)
• M23: 26,903,980 km (0.064 R)
• M24: 27,583,753 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 13.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.3 AU - 5.32 AU

Year: 8299 Days

Day: 6.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,627,893 km

• M1: 170,691 km (0.071 R)
• M2: 681,119 km (0.105 R)
• M3: 1,100,592 km (0.084 R)
• M4: 1,714,392 km (0.043 R)
• M5: 2,234,244 km (0.104 R)
• M6: 2,656,260 km (0.047 R)
• M7: 3,401,856 km (0.059 R)
• M8: 4,110,052 km (0.117 R)
• M9: 4,644,116 km (0.054 R)
• M10: 5,138,537 km (0.07 R)
• M11: 5,547,388 km (0.06 R)
• M12: 6,041,211 km (0.098 R)
• M13: 7,224,979 km (0.082 R)
• M14: 8,925,757 km (0.087 R)
• M15: 9,432,744 km (0.105 R)
• M16: 10,274,980 km (0.051 R)
• M17: 11,166,733 km (0.089 R)
• M18: 13,872,061 km (0.071 R)
• M19: 14,495,884 km (0.104 R)
• M20: 15,376,866 km (0.089 R)
• M21: 15,922,300 km (0.105 R)
• M22: 17,116,390 km (0.075 R)
• M23: 19,682,293 km (0.102 R)
• M24: 26,504,255 km (0.109 R)
• M25: 31,448,764 km (0.097 R)
• M26: 32,131,678 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.6

Radius: 7.1

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.14 AU - 6.76 AU

Year: 9844 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,627,893 km

• M1: 88,263 km (0.071 R)
• M2: 371,900 km (0.053 R)
• M3: 762,949 km (0.12 R)
• M4: 997,369 km (0.068 R)
• M5: 1,629,719 km (0.075 R)
• M6: 2,113,369 km (0.043 R)
• M7: 3,051,348 km (0.057 R)
• M8: 3,284,122 km (0.058 R)
• M9: 3,896,426 km (0.083 R)
• M10: 4,147,601 km (0.088 R)
• M11: 6,408,324 km (0.097 R)
• M12: 6,726,818 km (0.109 R)
• M13: 8,071,553 km (0.094 R)
• M14: 10,131,217 km (0.099 R)
• M15: 10,740,678 km (0.048 R)
• M16: 12,224,988 km (0.066 R)
• M17: 12,666,003 km (0.096 R)
• M18: 13,684,016 km (0.1 R)
• M19: 14,159,438 km (0.061 R)
• M20: 14,645,781 km (0.062 R)
• M21: 16,289,114 km (0.118 R)
• M22: 17,064,330 km (0.091 R)
• M23: 20,686,244 km (0.04 R)
• M24: 20,963,150 km (0.064 R)
• M25: 21,879,736 km (0.106 R)
• M26: 22,822,950 km (0.099 R)
• M27: 24,712,371 km (0.094 R)
• M28: 25,894,643 km (0.076 R)
• M29: 27,031,886 km (0.118 R)
• M30: 27,864,249 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 11,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit