🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 12.9

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.89 AU - 1.01 AU

Year: 651 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,671,098 km

• M1: 161,117 km (0.108 R)
• M2: 861,833 km (0.054 R)
• M3: 1,289,534 km (0.108 R)
• M4: 1,744,461 km (0.102 R)
• M5: 2,370,378 km (0.088 R)
• M6: 3,450,774 km (0.082 R)
• M7: 3,868,152 km (0.081 R)
• M8: 4,821,091 km (0.104 R)
• M9: 5,490,391 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 14.5

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.73 AU - 1.85 AU

Year: 1683 Days

Day: 7.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,671,098 km

• M1: 184,155 km (0.09 R)
• M2: 773,720 km (0.033 R)
• M3: 1,308,383 km (0.092 R)
• M4: 1,893,311 km (0.054 R)
• M5: 3,042,222 km (0.039 R)
• M6: 3,538,588 km (0.114 R)
• M7: 4,317,843 km (0.076 R)
• M8: 5,231,138 km (0.066 R)
• M9: 5,805,445 km (0.11 R)
• M10: 6,838,867 km (0.091 R)
• M11: 7,991,668 km (0.108 R)
• M12: 8,755,963 km (0.119 R)
• M13: 9,270,430 km (0.1 R)
• M14: 11,686,286 km (0.089 R)
• M15: 13,164,463 km (0.119 R)
• M16: 14,144,329 km (0.1 R)
• M17: 15,309,846 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.2

Radius: 8.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.98 AU - 4.48 AU

Year: 5064 Days

Day: 14.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 150.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,671,098 km

• M1: 110,254 km (0.082 R)
• M2: 612,902 km (0.077 R)
• M3: 969,544 km (0.103 R)
• M4: 1,256,772 km (0.104 R)
• M5: 1,705,565 km (0.055 R)
• M6: 3,281,130 km (0.112 R)
• M7: 4,398,177 km (0.089 R)
• M8: 6,336,816 km (0.105 R)
• M9: 8,366,261 km (0.078 R)
• M10: 9,424,815 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29

Radius: 5.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.52 AU - 7.48 AU

Year: 10331 Days

Day: 18.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,671,098 km

• M1: 64,177 km (0.052 R)
• M2: 691,441 km (0.06 R)
• M3: 1,592,769 km (0.09 R)
• M4: 2,176,799 km (0.118 R)
• M5: 3,867,404 km (0.116 R)
• M6: 5,482,612 km (0.119 R)
• M7: 5,972,845 km (0.108 R)
• M8: 6,306,747 km (0.07 R)
• M9: 7,296,636 km (0.071 R)
• M10: 8,011,564 km (0.117 R)
• M11: 9,965,761 km (0.042 R)
• M12: 13,136,039 km (0.094 R)
• M13: 14,011,187 km (0.086 R)
• M14: 14,600,453 km (0.041 R)
• M15: 15,300,721 km (0.057 R)
• M16: 16,072,047 km (0.095 R)
• M17: 16,970,532 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.8

Radius: 4.5

Gravity: 45.77 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.91 AU - 9.71 AU

Year: 16839 Days

Day: 19.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,671,098 km

• M1: 56,249 km (0.041 R)
• M2: 209,587 km (0.118 R)
• M3: 392,844 km (0.083 R)
• M4: 554,111 km (0.107 R)
• M5: 1,419,983 km (0.11 R)
• M6: 1,666,969 km (0.118 R)
• M7: 2,333,278 km (0.099 R)
• M8: 2,582,658 km (0.101 R)
• M9: 2,874,822 km (0.091 R)
• M10: 3,298,334 km (0.048 R)
• M11: 3,672,179 km (0.116 R)
• M12: 3,915,874 km (0.088 R)
• M13: 4,963,508 km (0.101 R)
• M14: 6,227,759 km (0.117 R)
• M15: 6,843,055 km (0.11 R)
• M16: 10,417,397 km (0.11 R)
• M17: 11,409,381 km (0.109 R)
• M18: 15,533,794 km (0.117 R)
• M19: 16,659,967 km (0.116 R)
• M20: 19,989,267 km (0.08 R)
• M21: 28,276,092 km (0.12 R)
• M22: 32,325,257 km (0.115 R)
• M23: 33,624,515 km (0.107 R)
• M24: 34,020,949 km (0.074 R)
• M25: 34,420,525 km (0.105 R)
• M26: 35,093,416 km (0.09 R)
• M27: 39,903,586 km (0.114 R)
• M28: 51,153,047 km (0.103 R)
• M29: 56,559,065 km (0.069 R)
• M30: 57,119,758 km (0.103 R)
• M31: 61,541,871 km (0.113 R)
• M32: 63,735,126 km (0.11 R)
• M33: 67,017,752 km (0.061 R)
• M34: 70,195,809 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.9

Radius: 6

Gravity: 17.28 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.08 AU - 10.08 AU

Year: 20843 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,671,098 km

• M1: 75,248 km (0.098 R)
• M2: 610,060 km (0.093 R)
• M3: 1,329,177 km (0.109 R)
• M4: 1,771,239 km (0.079 R)
• M5: 6,132,017 km (0.093 R)
• M6: 7,438,904 km (0.111 R)
• M7: 7,829,803 km (0.092 R)
• M8: 11,211,313 km (0.096 R)
• M9: 11,790,556 km (0.093 R)
• M10: 18,723,669 km (0.064 R)
• M11: 19,355,272 km (0.069 R)
• M12: 19,907,886 km (0.117 R)
• M13: 20,565,818 km (0.118 R)
• M14: 24,606,007 km (0.068 R)
• M15: 29,993,176 km (0.12 R)
• M16: 32,377,318 km (0.108 R)
• M17: 33,681,362 km (0.113 R)
• M18: 36,116,367 km (0.073 R)
• M19: 41,031,405 km (0.083 R)
• M20: 48,029,444 km (0.087 R)
• M21: 53,231,410 km (0.102 R)
• M22: 59,180,618 km (0.065 R)
• M23: 68,062,992 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508

Radius: 4

Gravity: 31.75 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.25 AU - 12.23 AU

Year: 23033 Days

Day: 16 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,671,098 km

• M1: 49,816 km (0.085 R)
• M2: 505,641 km (0.09 R)
• M3: 740,061 km (0.087 R)
• M4: 877,092 km (0.054 R)
• M5: 1,095,206 km (0.061 R)
• M6: 1,259,913 km (0.054 R)
• M7: 2,767,411 km (0.119 R)
• M8: 3,347,851 km (0.093 R)
• M9: 4,501,101 km (0.095 R)
• M10: 6,447,668 km (0.119 R)
• M11: 9,445,759 km (0.027 R)
• M12: 10,499,676 km (0.109 R)
• M13: 12,023,630 km (0.048 R)
• M14: 13,188,249 km (0.064 R)
• M15: 16,221,196 km (0.118 R)
• M16: 16,465,789 km (0.111 R)
• M17: 21,009,525 km (0.116 R)
• M18: 23,722,782 km (0.111 R)
• M19: 31,825,002 km (0.068 R)
• M20: 39,645,530 km (0.102 R)
• M21: 43,917,148 km (0.119 R)
• M22: 54,811,014 km (0.059 R)
• M23: 62,061,275 km (0.048 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 10,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit