🌌 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: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.8

Radius: 10.2

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.83 AU - 1.15 AU

Year: 680 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,032,560 km

• M1: 126,859 km (0.096 R)
• M2: 606,619 km (0.091 R)
• M3: 1,036,414 km (0.094 R)
• M4: 1,371,663 km (0.105 R)
• M5: 1,711,998 km (0.093 R)
• M6: 2,449,815 km (0.081 R)
• M7: 2,913,718 km (0.089 R)
• M8: 3,290,704 km (0.03 R)
• M9: 3,937,715 km (0.111 R)
• M10: 5,089,020 km (0.085 R)
• M11: 5,937,091 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.4

Radius: 8.1

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.23 AU - 1.31 AU

Year: 988 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,032,560 km

• M1: 101,128 km (0.119 R)
• M2: 446,699 km (0.106 R)
• M3: 720,314 km (0.065 R)
• M4: 1,275,771 km (0.107 R)
• M5: 1,769,294 km (0.075 R)
• M6: 2,218,536 km (0.049 R)
• M7: 2,499,780 km (0.119 R)
• M8: 2,792,244 km (0.069 R)
• M9: 3,580,027 km (0.106 R)
• M10: 4,001,444 km (0.094 R)
• M11: 4,317,544 km (0.063 R)
• M12: 4,906,361 km (0.085 R)
• M13: 6,026,849 km (0.115 R)
• M14: 6,692,859 km (0.11 R)
• M15: 7,091,687 km (0.082 R)
• M16: 7,580,872 km (0.072 R)
• M17: 8,491,175 km (0.041 R)
• M18: 9,975,336 km (0.059 R)
• M19: 10,248,801 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 12.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.58 AU - 2.06 AU

Year: 1695 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,032,560 km

• M1: 159,172 km (0.071 R)
• M2: 562,488 km (0.116 R)
• M3: 1,344,586 km (0.057 R)
• M4: 1,823,748 km (0.069 R)
• M5: 2,930,173 km (0.116 R)
• M6: 3,548,611 km (0.062 R)
• M7: 4,840,239 km (0.072 R)
• M8: 5,349,021 km (0.082 R)
• M9: 5,963,869 km (0.107 R)
• M10: 6,727,566 km (0.048 R)
• M11: 7,173,517 km (0.073 R)
• M12: 9,032,869 km (0.098 R)
• M13: 9,446,657 km (0.059 R)
• M14: 10,312,679 km (0.066 R)
• M15: 12,630,698 km (0.12 R)
• M16: 13,352,358 km (0.099 R)
• M17: 14,616,011 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775

Radius: 13.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.73 AU - 4.35 AU

Year: 5605 Days

Day: 11.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 91.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,032,560 km

• M1: 172,935 km (0.065 R)
• M2: 628,311 km (0.091 R)
• M3: 1,112,559 km (0.098 R)
• M4: 1,608,925 km (0.04 R)
• M5: 2,041,113 km (0.093 R)
• M6: 3,169,829 km (0.036 R)
• M7: 3,635,527 km (0.042 R)
• M8: 5,005,395 km (0.109 R)
• M9: 5,947,862 km (0.114 R)
• M10: 6,528,152 km (0.117 R)
• M11: 9,622,434 km (0.045 R)
• M12: 10,062,551 km (0.081 R)
• M13: 13,152,944 km (0.109 R)
• M14: 14,424,376 km (0.112 R)
• M15: 21,510,079 km (0.099 R)
• M16: 22,726,161 km (0.098 R)
• M17: 23,907,385 km (0.114 R)
• M18: 26,306,786 km (0.093 R)
• M19: 27,963,283 km (0.108 R)
• M20: 28,862,516 km (0.098 R)
• M21: 31,387,129 km (0.12 R)
• M22: 33,550,314 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.3

Radius: 4.6

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.26 AU - 9.76 AU

Year: 17136 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,032,560 km

• M1: 59,540 km (0.119 R)
• M2: 212,728 km (0.049 R)
• M3: 540,198 km (0.081 R)
• M4: 783,145 km (0.084 R)
• M5: 1,226,254 km (0.103 R)
• M6: 1,604,437 km (0.107 R)
• M7: 2,255,487 km (0.099 R)
• M8: 2,692,612 km (0.04 R)
• M9: 2,842,958 km (0.066 R)
• M10: 4,827,074 km (0.12 R)
• M11: 6,725,621 km (0.11 R)
• M12: 6,923,240 km (0.104 R)
• M13: 10,425,775 km (0.101 R)
• M14: 11,852,789 km (0.082 R)
• M15: 12,316,841 km (0.095 R)
• M16: 13,281,149 km (0.07 R)
• M17: 19,418,701 km (0.09 R)
• M18: 19,981,788 km (0.111 R)
• M19: 23,591,135 km (0.096 R)
• M20: 25,357,737 km (0.108 R)
• M21: 29,677,824 km (0.116 R)
• M22: 30,856,805 km (0.116 R)
• M23: 32,066,603 km (0.047 R)
• M24: 36,610,788 km (0.105 R)
• M25: 36,977,153 km (0.096 R)
• M26: 40,776,191 km (0.08 R)
• M27: 42,098,038 km (0.112 R)
• M28: 43,040,205 km (0.103 R)
• M29: 46,377,285 km (0.075 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 10,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit