🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 10.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.56 AU - 0.74 AU

Year: 349 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,157,019 km

• M1: 125,662 km (0.109 R)
• M2: 515,215 km (0.063 R)
• M3: 950,246 km (0.067 R)
• M4: 1,716,037 km (0.05 R)
• M5: 2,265,211 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.9

Radius: 13.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.74 AU - 1.12 AU

Year: 598 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,157,019 km

• M1: 164,109 km (0.096 R)
• M2: 598,840 km (0.049 R)
• M3: 1,014,423 km (0.04 R)
• M4: 1,485,357 km (0.116 R)
• M5: 2,003,415 km (0.093 R)
• M6: 2,449,216 km (0.117 R)
• M7: 3,021,877 km (0.095 R)
• M8: 3,479,048 km (0.092 R)
• M9: 4,011,766 km (0.094 R)
• M10: 4,913,542 km (0.117 R)
• M11: 5,476,628 km (0.042 R)
• M12: 6,181,085 km (0.059 R)
• M13: 7,406,441 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.8

Radius: 9.2

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.17 AU - 1.87 AU

Year: 1250 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,157,019 km

• M1: 114,442 km (0.117 R)
• M2: 402,717 km (0.055 R)
• M3: 785,838 km (0.044 R)
• M4: 1,335,311 km (0.099 R)
• M5: 1,643,931 km (0.058 R)
• M6: 1,950,906 km (0.08 R)
• M7: 2,285,257 km (0.059 R)
• M8: 2,833,683 km (0.109 R)
• M9: 3,293,547 km (0.076 R)
• M10: 4,260,248 km (0.107 R)
• M11: 4,754,370 km (0.114 R)
• M12: 5,169,205 km (0.088 R)
• M13: 5,648,965 km (0.116 R)
• M14: 6,814,183 km (0.093 R)
• M15: 7,171,273 km (0.108 R)
• M16: 8,027,272 km (0.114 R)
• M17: 9,234,228 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 11.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.48 AU - 1.94 AU

Year: 1491 Days

Day: 11.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,157,019 km

• M1: 145,559 km (0.1 R)
• M2: 664,215 km (0.077 R)
• M3: 1,215,034 km (0.085 R)
• M4: 1,628,822 km (0.029 R)
• M5: 2,251,598 km (0.104 R)
• M6: 2,943,189 km (0.101 R)
• M7: 3,721,696 km (0.068 R)
• M8: 4,295,553 km (0.112 R)
• M9: 5,468,401 km (0.1 R)
• M10: 7,280,031 km (0.103 R)
• M11: 7,982,991 km (0.112 R)
• M12: 8,879,830 km (0.073 R)
• M13: 9,810,479 km (0.109 R)
• M14: 10,266,453 km (0.034 R)
• M15: 11,829,003 km (0.103 R)
• M16: 12,271,214 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.6

Radius: 12

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.39 AU - 4.37 AU

Year: 5097 Days

Day: 13.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,157,019 km

• M1: 149,299 km (0.061 R)
• M2: 669,600 km (0.101 R)
• M3: 1,146,518 km (0.076 R)
• M4: 1,745,658 km (0.07 R)
• M5: 2,240,079 km (0.053 R)
• M6: 2,649,528 km (0.083 R)
• M7: 3,797,841 km (0.102 R)
• M8: 4,263,091 km (0.057 R)
• M9: 5,479,620 km (0.09 R)
• M10: 8,052,405 km (0.11 R)
• M11: 10,337,063 km (0.039 R)
• M12: 12,313,102 km (0.092 R)
• M13: 13,655,742 km (0.069 R)
• M14: 20,220,995 km (0.036 R)
• M15: 20,996,510 km (0.096 R)
• M16: 22,308,184 km (0.118 R)
• M17: 22,908,371 km (0.097 R)
• M18: 25,255,561 km (0.101 R)
• M19: 27,845,100 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.3

Radius: 6.4

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.73 AU - 9.13 AU

Year: 16322 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,157,019 km

• M1: 79,885 km (0.077 R)
• M2: 309,518 km (0.092 R)
• M3: 708,795 km (0.113 R)
• M4: 1,315,564 km (0.094 R)
• M5: 1,597,406 km (0.075 R)
• M6: 2,203,277 km (0.05 R)
• M7: 3,411,579 km (0.088 R)
• M8: 4,870,607 km (0.052 R)
• M9: 5,474,684 km (0.099 R)
• M10: 6,087,885 km (0.116 R)
• M11: 6,576,921 km (0.09 R)
• M12: 6,874,172 km (0.066 R)
• M13: 7,449,974 km (0.057 R)
• M14: 9,055,608 km (0.112 R)
• M15: 9,638,441 km (0.118 R)
• M16: 11,415,814 km (0.063 R)
• M17: 13,948,206 km (0.099 R)
• M18: 17,712,388 km (0.095 R)
• M19: 18,122,436 km (0.105 R)
• M20: 20,626,554 km (0.115 R)
• M21: 25,159,819 km (0.099 R)
• M22: 26,309,179 km (0.119 R)
• M23: 30,548,932 km (0.094 R)
• M24: 34,709,698 km (0.109 R)
• M25: 39,232,790 km (0.049 R)
• M26: 40,069,790 km (0.085 R)
• M27: 43,093,013 km (0.108 R)
• M28: 49,427,286 km (0.114 R)
• M29: 59,773,325 km (0.077 R)
• M30: 63,137,482 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.8

Radius: 4.5

Gravity: 34.31 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.96 AU - 11.04 AU

Year: 22689 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,157,019 km

• M1: 55,950 km (0.036 R)
• M2: 251,474 km (0.106 R)
• M3: 710,889 km (0.096 R)
• M4: 940,821 km (0.057 R)
• M5: 1,148,313 km (0.096 R)
• M6: 1,308,233 km (0.046 R)
• M7: 1,516,474 km (0.057 R)
• M8: 1,841,400 km (0.103 R)
• M9: 2,124,888 km (0.114 R)
• M10: 2,531,645 km (0.098 R)
• M11: 2,779,080 km (0.063 R)
• M12: 2,935,110 km (0.105 R)
• M13: 3,711,374 km (0.059 R)
• M14: 6,212,800 km (0.12 R)
• M15: 6,943,585 km (0.093 R)
• M16: 7,231,860 km (0.074 R)
• M17: 7,679,158 km (0.028 R)
• M18: 10,822,060 km (0.049 R)
• M19: 12,781,193 km (0.088 R)
• M20: 13,068,870 km (0.103 R)
• M21: 15,123,896 km (0.109 R)
• M22: 15,284,265 km (0.087 R)
• M23: 16,354,039 km (0.098 R)
• M24: 20,247,025 km (0.092 R)
• M25: 31,855,221 km (0.114 R)
• M26: 34,279,604 km (0.104 R)
• M27: 34,695,187 km (0.108 R)
• M28: 36,104,997 km (0.063 R)
• M29: 37,994,269 km (0.08 R)
• M30: 40,717,698 km (0.049 R)
• M31: 46,379,977 km (0.1 R)
• M32: 48,610,033 km (0.102 R)
• M33: 52,361,648 km (0.045 R)
• M34: 54,967,194 km (0.071 R)
• M35: 60,032,878 km (0.115 R)
• M36: 68,638,794 km (0.116 R)
• M37: 71,755,666 km (0.108 R)
• M38: 72,891,263 km (0.073 R)
• M39: 73,578,516 km (0.077 R)
• M40: 78,030,848 km (0.045 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 20,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit