🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.1

Radius: 13.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.58 AU - 0.78 AU

Year: 380 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,303,705 km

• M1: 170,392 km (0.106 R)
• M2: 622,626 km (0.07 R)
• M3: 1,187,807 km (0.093 R)
• M4: 1,626,578 km (0.103 R)
• M5: 2,142,242 km (0.112 R)
• M6: 2,631,427 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.8

Radius: 13.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.63 AU - 0.87 AU

Year: 441 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,303,705 km

• M1: 167,998 km (0.119 R)
• M2: 618,587 km (0.104 R)
• M3: 1,085,632 km (0.073 R)
• M4: 1,546,692 km (0.104 R)
• M5: 2,388,629 km (0.083 R)
• M6: 2,885,294 km (0.114 R)
• M7: 3,540,982 km (0.06 R)
• M8: 4,027,773 km (0.112 R)
• M9: 4,545,830 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.7

Radius: 13.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.09 AU - 1.47 AU

Year: 982 Days

Day: 7.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,303,705 km

• M1: 164,109 km (0.098 R)
• M2: 589,116 km (0.081 R)
• M3: 1,327,382 km (0.094 R)
• M4: 1,842,447 km (0.078 R)
• M5: 2,276,880 km (0.076 R)
• M6: 2,947,377 km (0.092 R)
• M7: 3,445,688 km (0.082 R)
• M8: 4,906,062 km (0.093 R)
• M9: 5,428,159 km (0.035 R)
• M10: 6,292,236 km (0.045 R)
• M11: 6,839,315 km (0.103 R)
• M12: 7,319,375 km (0.089 R)
• M13: 9,323,986 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.1

Radius: 11.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.3 AU - 1.52 AU

Year: 1136 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,303,705 km

• M1: 143,315 km (0.099 R)
• M2: 564,433 km (0.056 R)
• M3: 1,050,925 km (0.103 R)
• M4: 1,500,317 km (0.065 R)
• M5: 2,274,636 km (0.11 R)
• M6: 2,895,018 km (0.071 R)
• M7: 3,351,441 km (0.079 R)
• M8: 4,034,804 km (0.073 R)
• M9: 4,426,302 km (0.03 R)
• M10: 4,964,705 km (0.114 R)
• M11: 5,452,543 km (0.095 R)
• M12: 5,972,246 km (0.096 R)
• M13: 6,545,804 km (0.074 R)
• M14: 7,428,881 km (0.107 R)
• M15: 8,044,177 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.9

Radius: 13.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.53 AU - 3.51 AU

Year: 3560 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,303,705 km

• M1: 166,652 km (0.072 R)
• M2: 798,105 km (0.103 R)
• M3: 1,279,810 km (0.112 R)
• M4: 1,835,267 km (0.032 R)
• M5: 2,519,527 km (0.058 R)
• M6: 2,991,060 km (0.087 R)
• M7: 3,560,429 km (0.063 R)
• M8: 4,401,917 km (0.12 R)
• M9: 4,943,462 km (0.06 R)
• M10: 5,398,239 km (0.101 R)
• M11: 5,880,842 km (0.092 R)
• M12: 6,599,061 km (0.085 R)
• M13: 7,120,410 km (0.069 R)
• M14: 7,835,787 km (0.078 R)
• M15: 9,146,863 km (0.065 R)
• M16: 9,718,326 km (0.117 R)
• M17: 10,192,552 km (0.03 R)
• M18: 10,723,624 km (0.071 R)
• M19: 11,230,312 km (0.053 R)
• M20: 12,110,247 km (0.083 R)
• M21: 13,467,399 km (0.06 R)
• M22: 15,079,914 km (0.112 R)
• M23: 15,770,608 km (0.059 R)
• M24: 18,385,279 km (0.099 R)
• M25: 20,111,339 km (0.1 R)
• M26: 21,079,387 km (0.108 R)
• M27: 23,600,111 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682

Radius: 6

Gravity: 18.94 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.98 AU - 8.92 AU

Year: 13792 Days

Day: 20.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,303,705 km

• M1: 74,649 km (0.069 R)
• M2: 414,386 km (0.105 R)
• M3: 655,089 km (0.083 R)
• M4: 1,033,721 km (0.117 R)
• M5: 1,388,867 km (0.116 R)
• M6: 1,610,720 km (0.107 R)
• M7: 1,890,767 km (0.085 R)
• M8: 2,281,517 km (0.059 R)
• M9: 2,528,054 km (0.064 R)
• M10: 4,156,726 km (0.106 R)
• M11: 5,544,097 km (0.061 R)
• M12: 6,106,884 km (0.083 R)
• M13: 10,036,820 km (0.113 R)
• M14: 11,334,582 km (0.063 R)
• M15: 13,190,643 km (0.115 R)
• M16: 14,884,689 km (0.036 R)
• M17: 15,456,003 km (0.094 R)
• M18: 15,820,573 km (0.076 R)
• M19: 16,642,614 km (0.113 R)
• M20: 19,616,619 km (0.06 R)
• M21: 24,565,466 km (0.116 R)
• M22: 26,487,500 km (0.114 R)
• M23: 27,858,863 km (0.082 R)
• M24: 28,181,845 km (0.094 R)
• M25: 32,137,961 km (0.1 R)
• M26: 32,493,256 km (0.086 R)
• M27: 37,747,582 km (0.082 R)
• M28: 39,346,783 km (0.06 R)
• M29: 40,851,738 km (0.112 R)
• M30: 47,103,882 km (0.094 R)
• M31: 47,409,211 km (0.105 R)
• M32: 58,243,986 km (0.059 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 12,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit