🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.77 AU - 0.83 AU

Year: 265 Days

Day: 14.1 Hours

Environment

Temp: 82 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,338,942 km

• M1: 647,609 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 12.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.57 AU - 5.25 AU

Year: 4035 Days

Day: 9.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,338,942 km

• M1: 162,164 km (0.068 R)
• M2: 780,602 km (0.09 R)
• M3: 1,558,361 km (0.097 R)
• M4: 2,409,573 km (0.027 R)
• M5: 3,530,211 km (0.087 R)
• M6: 4,665,808 km (0.052 R)
• M7: 5,624,880 km (0.116 R)
• M8: 6,061,556 km (0.083 R)
• M9: 7,860,919 km (0.061 R)
• M10: 8,370,898 km (0.12 R)
• M11: 9,826,187 km (0.114 R)
• M12: 11,582,615 km (0.114 R)
• M13: 13,851,267 km (0.039 R)
• M14: 15,090,386 km (0.093 R)
• M15: 16,756,457 km (0.049 R)
• M16: 17,236,966 km (0.098 R)
• M17: 20,862,321 km (0.104 R)
• M18: 21,559,297 km (0.118 R)
• M19: 22,561,154 km (0.114 R)
• M20: 23,444,380 km (0.101 R)
• M21: 27,540,220 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.7

Radius: 9.4

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.71 AU - 5.99 AU

Year: 4589 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 29,338,942 km

• M1: 117,285 km (0.118 R)
• M2: 453,730 km (0.06 R)
• M3: 791,074 km (0.096 R)
• M4: 1,167,761 km (0.107 R)
• M5: 1,563,747 km (0.064 R)
• M6: 1,876,556 km (0.087 R)
• M7: 2,375,913 km (0.09 R)
• M8: 3,058,678 km (0.1 R)
• M9: 3,510,464 km (0.095 R)
• M10: 4,077,589 km (0.118 R)
• M11: 4,810,619 km (0.078 R)
• M12: 6,055,722 km (0.09 R)
• M13: 7,078,373 km (0.07 R)
• M14: 8,250,622 km (0.105 R)
• M15: 9,005,343 km (0.038 R)
• M16: 9,979,524 km (0.099 R)
• M17: 10,514,935 km (0.042 R)
• M18: 10,835,972 km (0.1 R)
• M19: 11,449,772 km (0.088 R)
• M20: 11,789,659 km (0.101 R)
• M21: 12,643,563 km (0.085 R)
• M22: 14,194,295 km (0.079 R)
• M23: 14,986,715 km (0.045 R)
• M24: 15,689,077 km (0.081 R)
• M25: 16,659,518 km (0.112 R)
• M26: 17,096,493 km (0.118 R)
• M27: 19,192,060 km (0.116 R)
• M28: 22,195,088 km (0.104 R)
• M29: 24,522,681 km (0.119 R)
• M30: 25,580,189 km (0.075 R)
• M31: 26,161,975 km (0.108 R)
• M32: 27,438,493 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.7

Radius: 8.8

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.96 AU - 6.12 AU

Year: 5505 Days

Day: 5.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,338,942 km

• M1: 109,506 km (0.094 R)
• M2: 512,522 km (0.109 R)
• M3: 904,469 km (0.059 R)
• M4: 1,262,157 km (0.078 R)
• M5: 1,998,478 km (0.104 R)
• M6: 2,315,177 km (0.113 R)
• M7: 3,295,791 km (0.075 R)
• M8: 3,698,658 km (0.119 R)
• M9: 5,676,940 km (0.111 R)
• M10: 8,493,718 km (0.103 R)
• M11: 8,906,010 km (0.063 R)
• M12: 10,015,877 km (0.112 R)
• M13: 11,082,509 km (0.098 R)
• M14: 12,270,317 km (0.071 R)
• M15: 15,943,543 km (0.08 R)
• M16: 16,341,323 km (0.104 R)
• M17: 17,215,873 km (0.078 R)
• M18: 17,574,309 km (0.103 R)
• M19: 20,026,966 km (0.041 R)
• M20: 20,825,370 km (0.107 R)
• M21: 21,232,426 km (0.075 R)
• M22: 22,485,607 km (0.084 R)
• M23: 23,640,353 km (0.103 R)
• M24: 24,157,663 km (0.102 R)
• M25: 24,607,204 km (0.091 R)
• M26: 26,145,818 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 11

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9 AU - 9.08 AU

Year: 10080 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,338,942 km

• M1: 136,882 km (0.089 R)
• M2: 730,935 km (0.044 R)
• M3: 1,148,463 km (0.113 R)
• M4: 1,664,426 km (0.058 R)
• M5: 2,149,422 km (0.113 R)
• M6: 3,427,287 km (0.083 R)
• M7: 3,831,052 km (0.065 R)
• M8: 4,362,424 km (0.12 R)
• M9: 6,319,164 km (0.071 R)
• M10: 8,494,167 km (0.106 R)
• M11: 9,157,783 km (0.084 R)
• M12: 9,564,091 km (0.075 R)
• M13: 10,810,989 km (0.045 R)
• M14: 13,729,943 km (0.063 R)
• M15: 14,534,630 km (0.093 R)
• M16: 16,955,273 km (0.071 R)
• M17: 17,631,156 km (0.077 R)
• M18: 19,366,492 km (0.07 R)
• M19: 20,105,206 km (0.116 R)
• M20: 21,002,195 km (0.085 R)
• M21: 27,790,198 km (0.044 R)
• M22: 28,214,757 km (0.05 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 11,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit