🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.8

Radius: 10.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.5 AU - 2.16 AU

Year: 1709 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,160,760 km

• M1: 131,796 km (0.075 R)
• M2: 931,845 km (0.11 R)
• M3: 1,278,164 km (0.092 R)
• M4: 2,472,554 km (0.044 R)
• M5: 2,857,768 km (0.07 R)
• M6: 3,518,991 km (0.1 R)
• M7: 4,401,469 km (0.098 R)
• M8: 7,175,013 km (0.094 R)
• M9: 8,450,485 km (0.099 R)
• M10: 9,658,936 km (0.03 R)
• M11: 10,117,454 km (0.095 R)
• M12: 10,979,287 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 13.2

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.51 AU - 2.51 AU

Year: 1967 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,160,760 km

• M1: 164,258 km (0.094 R)
• M2: 597,045 km (0.054 R)
• M3: 1,112,260 km (0.116 R)
• M4: 2,057,868 km (0.084 R)
• M5: 3,130,485 km (0.066 R)
• M6: 3,627,748 km (0.087 R)
• M7: 5,234,130 km (0.043 R)
• M8: 6,118,254 km (0.116 R)
• M9: 8,057,790 km (0.065 R)
• M10: 9,409,257 km (0.098 R)
• M11: 10,378,502 km (0.103 R)
• M12: 11,452,764 km (0.073 R)
• M13: 12,058,187 km (0.038 R)
• M14: 12,898,328 km (0.04 R)
• M15: 13,822,245 km (0.118 R)
• M16: 16,300,034 km (0.114 R)
• M17: 17,803,792 km (0.101 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698

Radius: 6.7

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.82 AU - 7.48 AU

Year: 10527 Days

Day: 20.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,160,760 km

• M1: 83,625 km (0.039 R)
• M2: 430,543 km (0.069 R)
• M3: 666,159 km (0.103 R)
• M4: 929,152 km (0.097 R)
• M5: 1,261,409 km (0.057 R)
• M6: 1,611,468 km (0.1 R)
• M7: 2,219,883 km (0.107 R)
• M8: 4,100,926 km (0.084 R)
• M9: 6,018,173 km (0.104 R)
• M10: 8,017,698 km (0.053 R)
• M11: 8,602,326 km (0.073 R)
• M12: 8,928,749 km (0.063 R)
• M13: 13,331,115 km (0.095 R)
• M14: 13,642,578 km (0.077 R)
• M15: 14,540,614 km (0.118 R)
• M16: 15,683,242 km (0.096 R)
• M17: 20,032,052 km (0.039 R)
• M18: 21,958,574 km (0.102 R)
• M19: 25,027,724 km (0.033 R)
• M20: 26,273,126 km (0.108 R)
• M21: 27,660,048 km (0.058 R)
• M22: 30,471,141 km (0.115 R)
• M23: 31,890,227 km (0.101 R)
• M24: 33,352,845 km (0.034 R)
• M25: 39,651,364 km (0.039 R)
• M26: 40,685,834 km (0.081 R)
• M27: 41,341,372 km (0.085 R)
• M28: 43,214,487 km (0.079 R)
• M29: 46,555,755 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.5

Radius: 7.7

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.72 AU - 7.7 AU

Year: 10682 Days

Day: 20.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 85.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,160,760 km

• M1: 96,341 km (0.043 R)
• M2: 594,951 km (0.063 R)
• M3: 921,373 km (0.095 R)
• M4: 1,303,297 km (0.056 R)
• M5: 2,030,193 km (0.055 R)
• M6: 3,900,316 km (0.087 R)
• M7: 5,483,510 km (0.117 R)
• M8: 6,624,493 km (0.119 R)
• M9: 8,131,991 km (0.082 R)
• M10: 9,176,932 km (0.084 R)
• M11: 10,156,199 km (0.072 R)
• M12: 14,516,379 km (0.082 R)
• M13: 18,204,565 km (0.098 R)
• M14: 20,223,538 km (0.092 R)
• M15: 21,621,679 km (0.084 R)
• M16: 24,608,999 km (0.082 R)
• M17: 31,280,017 km (0.072 R)
• M18: 33,709,038 km (0.079 R)
• M19: 39,313,722 km (0.026 R)
• M20: 40,071,136 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.7

Radius: 6.1

Gravity: 19.64 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.5 AU - 8.1 AU

Year: 13614 Days

Day: 21.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,160,760 km

• M1: 79,736 km (0.11 R)
• M2: 456,274 km (0.05 R)
• M3: 648,357 km (0.099 R)
• M4: 865,573 km (0.1 R)
• M5: 1,232,387 km (0.106 R)
• M6: 1,496,278 km (0.104 R)
• M7: 1,763,908 km (0.107 R)
• M8: 2,081,804 km (0.082 R)
• M9: 4,819,744 km (0.107 R)
• M10: 6,973,056 km (0.074 R)
• M11: 9,589,672 km (0.119 R)
• M12: 9,802,251 km (0.057 R)
• M13: 15,171,618 km (0.089 R)
• M14: 15,533,196 km (0.107 R)
• M15: 17,905,519 km (0.096 R)
• M16: 21,671,944 km (0.12 R)
• M17: 22,689,808 km (0.112 R)
• M18: 23,546,106 km (0.079 R)
• M19: 27,720,934 km (0.087 R)
• M20: 30,724,111 km (0.119 R)
• M21: 35,182,128 km (0.096 R)
• M22: 36,975,507 km (0.101 R)
• M23: 44,317,172 km (0.093 R)
• M24: 45,503,484 km (0.113 R)
• M25: 46,558,747 km (0.087 R)
• M26: 46,863,179 km (0.101 R)
• M27: 49,981,397 km (0.112 R)
• M28: 53,735,106 km (0.092 R)
• M29: 57,497,343 km (0.09 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: 509 - 16,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit