🌌 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: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.3

Radius: 13.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.78 AU - 1.1 AU

Year: 629 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,495,511 km

• M1: 172,636 km (0.098 R)
• M2: 658,081 km (0.116 R)
• M3: 1,178,831 km (0.052 R)
• M4: 1,644,380 km (0.102 R)
• M5: 2,559,021 km (0.082 R)
• M6: 3,142,752 km (0.029 R)
• M7: 3,588,255 km (0.118 R)
• M8: 4,310,214 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.1

Radius: 14.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.21 AU - 1.51 AU

Year: 1095 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,495,511 km

• M1: 181,013 km (0.098 R)
• M2: 632,350 km (0.104 R)
• M3: 2,182,483 km (0.104 R)
• M4: 2,858,217 km (0.102 R)
• M5: 3,733,514 km (0.077 R)
• M6: 4,932,541 km (0.098 R)
• M7: 5,446,110 km (0.082 R)
• M8: 6,746,266 km (0.102 R)
• M9: 8,491,474 km (0.049 R)
• M10: 10,747,111 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.5

Radius: 14.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.74 AU - 1.76 AU

Year: 1598 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,495,511 km

• M1: 180,415 km (0.047 R)
• M2: 733,179 km (0.114 R)
• M3: 1,316,611 km (0.106 R)
• M4: 1,941,631 km (0.105 R)
• M5: 2,696,202 km (0.041 R)
• M6: 3,904,355 km (0.104 R)
• M7: 4,737,316 km (0.097 R)
• M8: 5,729,898 km (0.085 R)
• M9: 6,394,262 km (0.074 R)
• M10: 8,296,698 km (0.106 R)
• M11: 8,937,874 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.9

Radius: 13.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.72 AU - 1.94 AU

Year: 1709 Days

Day: 12 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,495,511 km

• M1: 172,935 km (0.08 R)
• M2: 648,507 km (0.099 R)
• M3: 1,123,181 km (0.098 R)
• M4: 1,564,794 km (0.117 R)
• M5: 2,148,973 km (0.095 R)
• M6: 2,979,092 km (0.118 R)
• M7: 3,852,893 km (0.107 R)
• M8: 4,545,830 km (0.106 R)
• M9: 5,988,552 km (0.047 R)
• M10: 7,107,993 km (0.072 R)
• M11: 8,213,073 km (0.067 R)
• M12: 10,691,909 km (0.096 R)
• M13: 11,161,198 km (0.095 R)
• M14: 12,533,310 km (0.106 R)
• M15: 13,929,806 km (0.075 R)
• M16: 14,798,371 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 10.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.44 AU - 2.36 AU

Year: 1808 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,495,511 km

• M1: 130,001 km (0.057 R)
• M2: 606,919 km (0.049 R)
• M3: 946,057 km (0.092 R)
• M4: 1,561,802 km (0.12 R)
• M5: 1,966,314 km (0.045 R)
• M6: 2,526,558 km (0.08 R)
• M7: 3,309,554 km (0.106 R)
• M8: 3,733,364 km (0.108 R)
• M9: 4,446,498 km (0.118 R)
• M10: 6,189,014 km (0.116 R)
• M11: 7,394,473 km (0.117 R)
• M12: 8,039,090 km (0.092 R)
• M13: 9,846,681 km (0.093 R)
• M14: 10,231,896 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 13.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.91 AU - 3.41 AU

Year: 3877 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 54.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,495,511 km

• M1: 164,408 km (0.118 R)
• M2: 757,863 km (0.088 R)
• M3: 1,635,105 km (0.037 R)
• M4: 2,357,962 km (0.099 R)
• M5: 2,844,903 km (0.119 R)
• M6: 3,548,461 km (0.092 R)
• M7: 4,098,682 km (0.087 R)
• M8: 5,260,310 km (0.104 R)
• M9: 5,906,124 km (0.035 R)
• M10: 7,109,190 km (0.069 R)
• M11: 8,166,398 km (0.11 R)
• M12: 9,130,706 km (0.117 R)
• M13: 9,590,420 km (0.06 R)
• M14: 10,699,689 km (0.118 R)
• M15: 11,435,261 km (0.099 R)
• M16: 12,322,676 km (0.086 R)
• M17: 12,803,633 km (0.077 R)
• M18: 15,034,436 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.6

Radius: 8.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.24 AU - 3.46 AU

Year: 4232 Days

Day: 7.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,495,511 km

• M1: 120,426 km (0.087 R)
• M2: 474,824 km (0.089 R)
• M3: 1,498,821 km (0.105 R)
• M4: 2,647,284 km (0.072 R)
• M5: 4,545,830 km (0.09 R)
• M6: 5,089,918 km (0.06 R)
• M7: 5,701,175 km (0.113 R)
• M8: 6,763,619 km (0.082 R)
• M9: 8,808,173 km (0.1 R)
• M10: 9,275,367 km (0.075 R)
• M11: 10,664,234 km (0.1 R)
• M12: 11,156,560 km (0.079 R)
• M13: 13,192,887 km (0.061 R)
• M14: 13,584,085 km (0.077 R)
• M15: 14,117,701 km (0.051 R)
• M16: 16,896,182 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.1

Radius: 7

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.89 AU - 11.21 AU

Year: 20371 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,495,511 km

• M1: 87,515 km (0.077 R)
• M2: 386,411 km (0.104 R)
• M3: 667,356 km (0.102 R)
• M4: 921,523 km (0.117 R)
• M5: 1,734,139 km (0.117 R)
• M6: 2,065,199 km (0.098 R)
• M7: 2,437,697 km (0.091 R)
• M8: 3,317,632 km (0.116 R)
• M9: 3,770,315 km (0.071 R)
• M10: 4,136,381 km (0.066 R)
• M11: 4,426,302 km (0.044 R)
• M12: 9,930,007 km (0.049 R)
• M13: 12,254,310 km (0.099 R)
• M14: 12,518,200 km (0.052 R)
• M15: 13,057,650 km (0.104 R)
• M16: 13,895,697 km (0.111 R)
• M17: 14,769,199 km (0.05 R)
• M18: 15,447,925 km (0.04 R)
• M19: 16,147,145 km (0.089 R)
• M20: 17,442,214 km (0.102 R)
• M21: 19,068,193 km (0.099 R)
• M22: 23,016,380 km (0.098 R)
• M23: 23,519,927 km (0.06 R)
• M24: 24,444,741 km (0.103 R)
• M25: 25,180,613 km (0.099 R)
• M26: 28,272,651 km (0.083 R)
• M27: 35,866,538 km (0.109 R)
• M28: 37,228,477 km (0.115 R)
• M29: 41,521,039 km (0.061 R)
• M30: 42,117,186 km (0.057 R)
• M31: 45,814,647 km (0.08 R)
• M32: 47,417,139 km (0.086 R)
• M33: 49,222,636 km (0.029 R)
• M34: 50,903,219 km (0.112 R)
• M35: 54,201,253 km (0.031 R)
• M36: 55,271,626 km (0.09 R)
• M37: 57,454,558 km (0.11 R)
• M38: 62,965,744 km (0.098 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 17,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit