🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 14.3

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.92 AU - 1.1 AU

Year: 666 Days

Day: 6.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 14,295,784 km

• M1: 179,517 km (0.084 R)
• M2: 1,029,682 km (0.081 R)
• M3: 3,707,484 km (0.06 R)
• M4: 5,171,598 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.2

Radius: 12.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.55 AU - 1.61 AU

Year: 1303 Days

Day: 6.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,295,784 km

• M1: 155,432 km (0.115 R)
• M2: 617,091 km (0.04 R)
• M3: 1,252,134 km (0.115 R)
• M4: 1,940,584 km (0.081 R)
• M5: 2,800,472 km (0.104 R)
• M6: 3,515,700 km (0.113 R)
• M7: 4,004,735 km (0.1 R)
• M8: 4,577,545 km (0.058 R)
• M9: 4,996,120 km (0.097 R)
• M10: 5,706,112 km (0.078 R)
• M11: 6,506,909 km (0.093 R)
• M12: 7,300,974 km (0.086 R)
• M13: 7,847,007 km (0.093 R)
• M14: 8,777,057 km (0.09 R)
• M15: 9,521,904 km (0.084 R)
• M16: 10,342,150 km (0.041 R)
• M17: 10,786,904 km (0.089 R)
• M18: 11,936,713 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875

Radius: 14.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.48 AU - 2.24 AU

Year: 1664 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,295,784 km

• M1: 180,415 km (0.038 R)
• M2: 835,803 km (0.095 R)
• M3: 1,340,995 km (0.113 R)
• M4: 1,795,174 km (0.057 R)
• M5: 2,562,163 km (0.104 R)
• M6: 3,030,703 km (0.077 R)
• M7: 3,996,058 km (0.116 R)
• M8: 4,692,885 km (0.085 R)
• M9: 6,058,863 km (0.114 R)
• M10: 7,008,361 km (0.119 R)
• M11: 7,733,312 km (0.107 R)
• M12: 8,662,764 km (0.107 R)
• M13: 9,498,567 km (0.046 R)
• M14: 10,108,328 km (0.077 R)
• M15: 10,672,162 km (0.089 R)
• M16: 11,145,640 km (0.082 R)
• M17: 11,901,707 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.1

Radius: 10.4

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.64 AU - 3.12 AU

Year: 3206 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,295,784 km

• M1: 129,701 km (0.032 R)
• M2: 575,204 km (0.083 R)
• M3: 1,047,185 km (0.065 R)
• M4: 1,749,547 km (0.112 R)
• M5: 2,786,111 km (0.101 R)
• M6: 4,131,444 km (0.1 R)
• M7: 7,831,449 km (0.081 R)
• M8: 10,053,426 km (0.099 R)
• M9: 10,565,948 km (0.12 R)
• M10: 11,095,824 km (0.074 R)
• M11: 11,803,122 km (0.076 R)
• M12: 12,498,453 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 11.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.75 AU - 3.83 AU

Year: 3915 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 14,295,784 km

• M1: 146,756 km (0.1 R)
• M2: 514,916 km (0.084 R)
• M3: 1,035,516 km (0.069 R)
• M4: 1,539,960 km (0.045 R)
• M5: 2,083,150 km (0.101 R)
• M6: 3,128,241 km (0.073 R)
• M7: 3,717,956 km (0.078 R)
• M8: 4,093,596 km (0.067 R)
• M9: 4,800,596 km (0.045 R)
• M10: 5,196,432 km (0.098 R)
• M11: 5,749,345 km (0.111 R)
• M12: 7,224,680 km (0.098 R)
• M13: 7,813,347 km (0.12 R)
• M14: 9,425,713 km (0.114 R)
• M15: 10,412,012 km (0.066 R)
• M16: 11,036,134 km (0.082 R)
• M17: 12,822,781 km (0.099 R)
• M18: 14,284,053 km (0.087 R)
• M19: 15,424,139 km (0.091 R)
• M20: 15,907,789 km (0.058 R)
• M21: 16,848,759 km (0.111 R)
• M22: 19,147,331 km (0.103 R)
• M23: 20,791,411 km (0.102 R)
• M24: 21,647,859 km (0.107 R)
• M25: 22,390,762 km (0.071 R)
• M26: 22,803,054 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 13.5

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.69 AU - 5.85 AU

Year: 7936 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,295,784 km

• M1: 170,841 km (0.082 R)
• M2: 879,037 km (0.083 R)
• M3: 1,506,301 km (0.061 R)
• M4: 2,757,538 km (0.072 R)
• M5: 3,662,006 km (0.08 R)
• M6: 4,132,192 km (0.118 R)
• M7: 5,472,440 km (0.079 R)
• M8: 8,777,505 km (0.098 R)
• M9: 10,333,922 km (0.079 R)
• M10: 14,046,791 km (0.115 R)
• M11: 15,908,836 km (0.119 R)
• M12: 18,283,253 km (0.056 R)
• M13: 23,137,405 km (0.1 R)
• M14: 23,725,026 km (0.112 R)
• M15: 25,815,207 km (0.07 R)
• M16: 27,648,678 km (0.03 R)
• M17: 31,882,149 km (0.101 R)
• M18: 39,429,511 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.3

Radius: 9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.81 AU - 5.91 AU

Year: 9306 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,295,784 km

• M1: 113,844 km (0.07 R)
• M2: 413,189 km (0.102 R)
• M3: 1,228,498 km (0.08 R)
• M4: 2,194,750 km (0.108 R)
• M5: 3,179,254 km (0.114 R)
• M6: 4,702,609 km (0.111 R)
• M7: 4,982,656 km (0.037 R)
• M8: 5,388,964 km (0.066 R)
• M9: 6,423,583 km (0.107 R)
• M10: 7,851,495 km (0.106 R)
• M11: 9,412,100 km (0.098 R)
• M12: 11,398,909 km (0.106 R)
• M13: 12,925,106 km (0.089 R)
• M14: 14,312,327 km (0.115 R)
• M15: 16,329,206 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12

Radius: 7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.55 AU - 7.57 AU

Year: 12306 Days

Day: 17.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,295,784 km

• M1: 88,113 km (0.118 R)
• M2: 579,393 km (0.086 R)
• M3: 1,281,007 km (0.115 R)
• M4: 5,087,076 km (0.098 R)
• M5: 6,624,493 km (0.11 R)
• M6: 7,835,637 km (0.097 R)
• M7: 10,618,756 km (0.076 R)
• M8: 13,460,218 km (0.107 R)
• M9: 13,957,481 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 17,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit