🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916

Radius: 14.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.65 AU - 0.91 AU

Year: 452 Days

Day: 13.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,308,063 km

• M1: 178,321 km (0.098 R)
• M2: 737,218 km (0.071 R)
• M3: 1,323,193 km (0.076 R)
• M4: 1,770,192 km (0.099 R)
• M5: 2,673,613 km (0.118 R)
• M6: 3,826,714 km (0.075 R)
• M7: 4,340,732 km (0.112 R)
• M8: 6,467,864 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 9.7

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.93 AU - 1.31 AU

Year: 778 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,308,063 km

• M1: 120,725 km (0.103 R)
• M2: 450,888 km (0.099 R)
• M3: 855,999 km (0.07 R)
• M4: 1,178,233 km (0.116 R)
• M5: 1,649,466 km (0.061 R)
• M6: 2,070,135 km (0.067 R)
• M7: 3,444,042 km (0.06 R)
• M8: 3,963,296 km (0.089 R)
• M9: 4,706,798 km (0.105 R)
• M10: 7,403,150 km (0.091 R)
• M11: 8,090,851 km (0.09 R)
• M12: 8,767,034 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.3

Radius: 10.2

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.9 AU - 2.34 AU

Year: 2025 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,308,063 km

• M1: 127,757 km (0.099 R)
• M2: 463,305 km (0.086 R)
• M3: 1,132,306 km (0.055 R)
• M4: 2,430,517 km (0.075 R)
• M5: 2,892,026 km (0.087 R)
• M6: 5,417,986 km (0.093 R)
• M7: 5,816,515 km (0.119 R)
• M8: 6,463,825 km (0.118 R)
• M9: 11,099,414 km (0.093 R)
• M10: 11,628,392 km (0.072 R)
• M11: 12,016,449 km (0.074 R)
• M12: 12,533,908 km (0.047 R)
• M13: 14,219,726 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.2

Radius: 14.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.23 AU - 4.25 AU

Year: 4745 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,308,063 km

• M1: 175,329 km (0.06 R)
• M2: 798,703 km (0.116 R)
• M3: 1,373,308 km (0.111 R)
• M4: 2,934,661 km (0.025 R)
• M5: 4,674,036 km (0.065 R)
• M6: 7,502,632 km (0.036 R)
• M7: 8,742,350 km (0.1 R)
• M8: 9,488,095 km (0.116 R)
• M9: 10,275,728 km (0.055 R)
• M10: 12,162,456 km (0.099 R)
• M11: 12,621,722 km (0.042 R)
• M12: 13,283,992 km (0.054 R)
• M13: 14,473,594 km (0.096 R)
• M14: 15,464,680 km (0.119 R)
• M15: 16,893,788 km (0.108 R)
• M16: 19,950,222 km (0.072 R)
• M17: 21,911,002 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.6

Radius: 11.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.99 AU - 6.59 AU

Year: 7982 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,308,063 km

• M1: 225,145 km (0.094 R)
• M2: 859,440 km (0.104 R)
• M3: 2,005,210 km (0.104 R)
• M4: 2,421,990 km (0.083 R)
• M5: 3,787,519 km (0.107 R)
• M6: 5,299,205 km (0.079 R)
• M7: 7,487,224 km (0.052 R)
• M8: 8,978,715 km (0.047 R)
• M9: 9,380,684 km (0.026 R)
• M10: 11,366,895 km (0.031 R)
• M11: 11,784,871 km (0.056 R)
• M12: 17,567,876 km (0.09 R)
• M13: 21,184,554 km (0.059 R)
• M14: 27,825,952 km (0.038 R)
• M15: 30,851,718 km (0.106 R)
• M16: 33,660,119 km (0.097 R)
• M17: 34,090,213 km (0.043 R)
• M18: 35,071,426 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.8

Radius: 7.5

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.23 AU - 8.65 AU

Year: 14677 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 164.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,308,063 km

• M1: 93,199 km (0.104 R)
• M2: 330,462 km (0.027 R)
• M3: 655,388 km (0.092 R)
• M4: 909,405 km (0.065 R)
• M5: 1,546,842 km (0.096 R)
• M6: 1,827,936 km (0.097 R)
• M7: 2,303,957 km (0.108 R)
• M8: 3,447,184 km (0.063 R)
• M9: 4,623,621 km (0.116 R)
• M10: 6,750,754 km (0.1 R)
• M11: 7,788,364 km (0.106 R)
• M12: 8,173,130 km (0.105 R)
• M13: 8,570,312 km (0.093 R)
• M14: 8,980,510 km (0.072 R)
• M15: 13,485,949 km (0.029 R)
• M16: 15,570,595 km (0.099 R)
• M17: 16,259,045 km (0.098 R)
• M18: 17,127,610 km (0.11 R)
• M19: 19,565,756 km (0.036 R)
• M20: 22,130,312 km (0.11 R)
• M21: 23,098,210 km (0.068 R)
• M22: 23,792,345 km (0.104 R)
• M23: 32,123,749 km (0.119 R)
• M24: 32,615,926 km (0.087 R)
• M25: 43,097,202 km (0.03 R)
• M26: 44,756,841 km (0.11 R)
• M27: 47,882,688 km (0.103 R)
• M28: 48,363,795 km (0.081 R)
• M29: 52,329,335 km (0.116 R)
• M30: 57,946,586 km (0.05 R)
• M31: 61,654,070 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 11,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit