🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 11.4

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.76 AU - 1.24 AU

Year: 667 Days

Day: 9.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 97,668,238 km

• M1: 141,819 km (0.099 R)
• M2: 569,519 km (0.068 R)
• M3: 1,092,513 km (0.083 R)
• M4: 1,596,957 km (0.12 R)
• M5: 2,224,820 km (0.065 R)
• M6: 3,035,490 km (0.115 R)
• M7: 3,843,618 km (0.062 R)
• M8: 4,275,507 km (0.119 R)
• M9: 5,166,662 km (0.095 R)
• M10: 6,098,507 km (0.103 R)
• M11: 6,460,234 km (0.077 R)
• M12: 6,943,436 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.2

Radius: 12.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.48 AU - 1.98 AU

Year: 1517 Days

Day: 7.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 97,668,238 km

• M1: 153,936 km (0.118 R)
• M2: 545,434 km (0.116 R)
• M3: 1,018,014 km (0.109 R)
• M4: 1,406,370 km (0.102 R)
• M5: 1,826,440 km (0.063 R)
• M6: 2,414,210 km (0.043 R)
• M7: 2,997,941 km (0.07 R)
• M8: 3,468,875 km (0.082 R)
• M9: 4,431,687 km (0.083 R)
• M10: 5,228,595 km (0.111 R)
• M11: 7,468,374 km (0.1 R)
• M12: 7,923,302 km (0.106 R)
• M13: 8,396,779 km (0.066 R)
• M14: 8,859,635 km (0.106 R)
• M15: 9,461,916 km (0.098 R)
• M16: 11,122,452 km (0.066 R)
• M17: 11,895,723 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 13.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.73 AU - 4.05 AU

Year: 4162 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 97,668,238 km

• M1: 164,109 km (0.083 R)
• M2: 620,682 km (0.111 R)
• M3: 1,362,388 km (0.072 R)
• M4: 3,399,761 km (0.117 R)
• M5: 4,802,840 km (0.107 R)
• M6: 6,252,593 km (0.094 R)
• M7: 6,688,820 km (0.064 R)
• M8: 7,313,541 km (0.047 R)
• M9: 8,194,523 km (0.116 R)
• M10: 11,310,796 km (0.087 R)
• M11: 16,049,458 km (0.075 R)
• M12: 18,344,140 km (0.119 R)
• M13: 18,789,642 km (0.116 R)
• M14: 22,113,258 km (0.102 R)
• M15: 23,204,425 km (0.088 R)
• M16: 26,370,365 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.7

Radius: 8.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.34 AU - 4.92 AU

Year: 6644 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 56 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 97,668,238 km

• M1: 103,223 km (0.05 R)
• M2: 380,427 km (0.111 R)
• M3: 1,230,742 km (0.119 R)
• M4: 2,457,295 km (0.115 R)
• M5: 3,079,622 km (0.096 R)
• M6: 3,719,601 km (0.079 R)
• M7: 4,539,248 km (0.116 R)
• M8: 5,610,070 km (0.118 R)
• M9: 5,888,023 km (0.078 R)
• M10: 7,126,095 km (0.096 R)
• M11: 8,384,661 km (0.074 R)
• M12: 9,469,994 km (0.072 R)
• M13: 11,601,614 km (0.07 R)
• M14: 12,803,035 km (0.099 R)
• M15: 13,384,521 km (0.099 R)
• M16: 14,548,393 km (0.109 R)
• M17: 15,999,043 km (0.11 R)
• M18: 16,960,509 km (0.102 R)
• M19: 17,780,754 km (0.109 R)
• M20: 19,436,952 km (0.109 R)
• M21: 22,631,016 km (0.041 R)
• M22: 23,124,240 km (0.111 R)
• M23: 23,481,031 km (0.101 R)
• M24: 23,769,007 km (0.07 R)
• M25: 24,573,245 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998

Radius: 4.2

Gravity: 56.58 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.53 AU - 13.33 AU

Year: 24097 Days

Day: 23 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 97,668,238 km

• M1: 53,257 km (0.114 R)
• M2: 349,760 km (0.109 R)
• M3: 670,348 km (0.119 R)
• M4: 844,929 km (0.047 R)
• M5: 1,008,888 km (0.045 R)
• M6: 1,164,171 km (0.116 R)
• M7: 1,452,895 km (0.083 R)
• M8: 1,614,311 km (0.098 R)
• M9: 2,714,304 km (0.094 R)
• M10: 2,988,517 km (0.04 R)
• M11: 4,060,685 km (0.116 R)
• M12: 5,493,683 km (0.112 R)
• M13: 11,396,665 km (0.107 R)
• M14: 11,607,149 km (0.1 R)
• M15: 13,308,227 km (0.084 R)
• M16: 14,339,554 km (0.101 R)
• M17: 27,232,946 km (0.071 R)
• M18: 27,989,014 km (0.096 R)
• M19: 31,290,639 km (0.108 R)
• M20: 39,129,417 km (0.093 R)
• M21: 43,072,668 km (0.111 R)
• M22: 44,443,732 km (0.111 R)
• M23: 47,453,342 km (0.118 R)
• M24: 47,816,117 km (0.106 R)
• M25: 62,575,742 km (0.056 R)
• M26: 67,029,420 km (0.057 R)
• M27: 67,715,177 km (0.113 R)
• M28: 78,317,328 km (0.096 R)
• M29: 81,389,619 km (0.077 R)
• M30: 85,341,546 km (0.083 R)
• M31: 92,774,017 km (0.12 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: 239 - 13,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit