🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.8

Radius: 13

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.56 AU - 0.56 AU

Year: 289 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,997,621 km

• M1: 161,715 km (0.105 R)
• M2: 615,296 km (0.038 R)
• M3: 1,047,634 km (0.085 R)
• M4: 1,520,363 km (0.087 R)
• M5: 2,122,495 km (0.088 R)
• M6: 2,880,507 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.8

Radius: 12.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.52 AU - 0.64 AU

Year: 305 Days

Day: 13.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,997,621 km

• M1: 153,039 km (0.111 R)
• M2: 713,881 km (0.06 R)
• M3: 1,231,190 km (0.118 R)
• M4: 1,634,955 km (0.061 R)
• M5: 2,554,533 km (0.085 R)
• M6: 3,057,930 km (0.106 R)
• M7: 3,501,039 km (0.119 R)
• M8: 4,163,309 km (0.101 R)
• M9: 4,794,013 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.5

Radius: 14.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.14 AU - 3.14 AU

Year: 2961 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,997,621 km

• M1: 186,399 km (0.119 R)
• M2: 775,665 km (0.077 R)
• M3: 1,995,187 km (0.109 R)
• M4: 2,533,590 km (0.035 R)
• M5: 3,030,703 km (0.106 R)
• M6: 4,312,757 km (0.075 R)
• M7: 5,352,163 km (0.109 R)
• M8: 7,501,884 km (0.116 R)
• M9: 10,336,465 km (0.099 R)
• M10: 11,579,922 km (0.115 R)
• M11: 13,201,115 km (0.106 R)
• M12: 14,313,524 km (0.116 R)
• M13: 14,969,361 km (0.068 R)
• M14: 15,435,060 km (0.087 R)
• M15: 16,614,489 km (0.038 R)
• M16: 17,339,141 km (0.09 R)
• M17: 18,377,350 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 9.7

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.76 AU - 5.16 AU

Year: 7625 Days

Day: 6.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,997,621 km

• M1: 121,174 km (0.037 R)
• M2: 483,800 km (0.109 R)
• M3: 842,386 km (0.103 R)
• M4: 1,546,842 km (0.111 R)
• M5: 2,364,544 km (0.11 R)
• M6: 3,220,693 km (0.12 R)
• M7: 3,635,527 km (0.076 R)
• M8: 6,920,397 km (0.11 R)
• M9: 7,455,958 km (0.092 R)
• M10: 9,094,503 km (0.076 R)
• M11: 14,865,092 km (0.103 R)
• M12: 16,084,314 km (0.1 R)
• M13: 16,415,823 km (0.119 R)
• M14: 18,000,663 km (0.116 R)
• M15: 20,838,684 km (0.098 R)
• M16: 21,874,350 km (0.036 R)
• M17: 27,103,095 km (0.052 R)
• M18: 29,607,064 km (0.051 R)
• M19: 30,609,968 km (0.115 R)
• M20: 39,223,365 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.4

Radius: 4.3

Gravity: 38.91 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.56 AU - 7.1 AU

Year: 10993 Days

Day: 20.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,997,621 km

• M1: 87,664 km (0.118 R)
• M2: 414,685 km (0.031 R)
• M3: 659,876 km (0.065 R)
• M4: 1,119,890 km (0.077 R)
• M5: 1,481,468 km (0.044 R)
• M6: 2,020,020 km (0.086 R)
• M7: 2,553,785 km (0.066 R)
• M8: 2,875,869 km (0.118 R)
• M9: 3,176,262 km (0.09 R)
• M10: 3,574,492 km (0.039 R)
• M11: 4,777,707 km (0.075 R)
• M12: 5,034,118 km (0.072 R)
• M13: 5,265,995 km (0.12 R)
• M14: 6,152,811 km (0.039 R)
• M15: 8,445,697 km (0.086 R)
• M16: 14,159,887 km (0.091 R)
• M17: 14,422,731 km (0.093 R)
• M18: 16,426,594 km (0.089 R)
• M19: 17,084,376 km (0.083 R)
• M20: 17,683,665 km (0.083 R)
• M21: 18,923,981 km (0.11 R)
• M22: 19,323,258 km (0.097 R)
• M23: 19,484,524 km (0.104 R)
• M24: 20,891,642 km (0.104 R)
• M25: 21,924,765 km (0.104 R)
• M26: 22,901,190 km (0.105 R)
• M27: 26,200,870 km (0.053 R)
• M28: 28,742,688 km (0.111 R)
• M29: 31,555,576 km (0.107 R)
• M30: 40,160,296 km (0.096 R)
• M31: 43,388,918 km (0.069 R)
• M32: 45,349,847 km (0.098 R)
• M33: 47,222,961 km (0.077 R)
• M34: 49,147,089 km (0.101 R)
• M35: 50,509,327 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.9

Radius: 6

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.61 AU - 7.79 AU

Year: 11971 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,997,621 km

• M1: 75,098 km (0.109 R)
• M2: 265,686 km (0.093 R)
• M3: 505,940 km (0.065 R)
• M4: 1,013,526 km (0.08 R)
• M5: 1,313,619 km (0.105 R)
• M6: 2,658,504 km (0.111 R)
• M7: 2,956,353 km (0.059 R)
• M8: 3,935,172 km (0.087 R)
• M9: 4,878,536 km (0.033 R)
• M10: 5,543,798 km (0.109 R)
• M11: 6,405,781 km (0.112 R)
• M12: 8,518,252 km (0.051 R)
• M13: 9,210,741 km (0.061 R)
• M14: 10,756,536 km (0.109 R)
• M15: 13,820,300 km (0.054 R)
• M16: 15,518,984 km (0.117 R)
• M17: 16,484,040 km (0.108 R)
• M18: 17,901,330 km (0.088 R)
• M19: 20,745,634 km (0.081 R)
• M20: 25,865,023 km (0.063 R)
• M21: 28,053,640 km (0.064 R)
• M22: 28,809,708 km (0.1 R)
• M23: 31,159,740 km (0.111 R)
• M24: 33,528,772 km (0.073 R)
• M25: 35,684,029 km (0.069 R)
• M26: 38,737,920 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.1

Radius: 4.2

Gravity: 32.66 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.71 AU - 9.89 AU

Year: 18019 Days

Day: 20.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,997,621 km

• M1: 52,210 km (0.059 R)
• M2: 449,242 km (0.093 R)
• M3: 645,964 km (0.048 R)
• M4: 1,326,484 km (0.119 R)
• M5: 1,490,593 km (0.105 R)
• M6: 1,970,354 km (0.07 R)
• M7: 2,502,024 km (0.105 R)
• M8: 2,753,648 km (0.068 R)
• M9: 3,361,464 km (0.113 R)
• M10: 3,992,917 km (0.083 R)
• M11: 6,914,414 km (0.088 R)
• M12: 7,409,732 km (0.059 R)
• M13: 8,270,668 km (0.112 R)
• M14: 11,620,912 km (0.091 R)
• M15: 22,236,228 km (0.026 R)
• M16: 25,039,392 km (0.105 R)
• M17: 34,071,813 km (0.101 R)
• M18: 36,159,451 km (0.099 R)
• M19: 36,963,839 km (0.066 R)
• M20: 41,894,884 km (0.062 R)
• M21: 58,727,636 km (0.092 R)
• M22: 60,962,778 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 11,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit