🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 11.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.53 AU - 0.85 AU

Year: 370 Days

Day: 10.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,589,822 km

• M1: 146,756 km (0.086 R)
• M2: 538,104 km (0.102 R)
• M3: 1,422,676 km (0.1 R)
• M4: 1,818,811 km (0.094 R)
• M5: 2,303,508 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.2

Radius: 9.7

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.77 AU - 0.89 AU

Year: 488 Days

Day: 5.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,589,822 km

• M1: 120,576 km (0.113 R)
• M2: 452,833 km (0.098 R)
• M3: 1,036,264 km (0.067 R)
• M4: 1,341,893 km (0.046 R)
• M5: 1,670,859 km (0.112 R)
• M6: 2,161,240 km (0.064 R)
• M7: 2,660,449 km (0.037 R)
• M8: 3,081,118 km (0.083 R)
• M9: 3,469,474 km (0.113 R)
• M10: 3,822,375 km (0.083 R)
• M11: 4,300,939 km (0.105 R)
• M12: 4,740,457 km (0.116 R)
• M13: 5,798,862 km (0.04 R)
• M14: 6,260,072 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572

Radius: 8.3

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.01 AU - 1.61 AU

Year: 968 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,589,822 km

• M1: 103,223 km (0.046 R)
• M2: 400,324 km (0.114 R)
• M3: 785,838 km (0.097 R)
• M4: 1,396,496 km (0.034 R)
• M5: 1,892,862 km (0.101 R)
• M6: 2,250,401 km (0.072 R)
• M7: 2,570,839 km (0.115 R)
• M8: 3,444,042 km (0.08 R)
• M9: 3,964,344 km (0.069 R)
• M10: 9,126,816 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.6

Radius: 11.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.29 AU - 1.39 AU

Year: 1002 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,589,822 km

• M1: 144,362 km (0.07 R)
• M2: 614,099 km (0.083 R)
• M3: 1,248,544 km (0.026 R)
• M4: 2,062,506 km (0.1 R)
• M5: 2,629,332 km (0.102 R)
• M6: 3,410,532 km (0.114 R)
• M7: 3,840,477 km (0.104 R)
• M8: 4,458,914 km (0.117 R)
• M9: 5,295,465 km (0.097 R)
• M10: 6,742,675 km (0.045 R)
• M11: 7,743,934 km (0.1 R)
• M12: 8,150,541 km (0.049 R)
• M13: 8,651,993 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 14.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.93 AU - 4.61 AU

Year: 4726 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,589,822 km

• M1: 181,612 km (0.118 R)
• M2: 753,824 km (0.105 R)
• M3: 1,366,726 km (0.066 R)
• M4: 2,059,215 km (0.046 R)
• M5: 2,962,038 km (0.042 R)
• M6: 3,943,400 km (0.116 R)
• M7: 4,499,156 km (0.104 R)
• M8: 5,209,297 km (0.079 R)
• M9: 6,164,928 km (0.074 R)
• M10: 6,948,372 km (0.11 R)
• M11: 8,641,521 km (0.069 R)
• M12: 9,507,094 km (0.111 R)
• M13: 11,279,530 km (0.037 R)
• M14: 12,267,474 km (0.088 R)
• M15: 12,782,689 km (0.087 R)
• M16: 13,558,055 km (0.102 R)
• M17: 14,058,310 km (0.107 R)
• M18: 14,519,072 km (0.056 R)
• M19: 16,017,743 km (0.064 R)
• M20: 17,735,576 km (0.085 R)
• M21: 19,447,125 km (0.117 R)
• M22: 20,538,591 km (0.111 R)
• M23: 21,806,283 km (0.09 R)
• M24: 23,054,977 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 4.6

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.61 AU - 9.23 AU

Year: 13050 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,589,822 km

• M1: 74,051 km (0.111 R)
• M2: 239,057 km (0.106 R)
• M3: 505,042 km (0.059 R)
• M4: 1,015,620 km (0.079 R)
• M5: 1,427,762 km (0.086 R)
• M6: 1,929,214 km (0.108 R)
• M7: 3,617,426 km (0.056 R)
• M8: 5,973,892 km (0.094 R)
• M9: 6,391,719 km (0.046 R)
• M10: 12,871,102 km (0.111 R)
• M11: 31,407,175 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.8

Radius: 3.1

Gravity: 33.17 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.63 AU - 8.65 AU

Year: 16398 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,589,822 km

• M1: 38,596 km (0.116 R)
• M2: 154,535 km (0.082 R)
• M3: 279,000 km (0.059 R)
• M4: 752,028 km (0.104 R)
• M5: 924,964 km (0.114 R)
• M6: 1,246,001 km (0.051 R)
• M7: 1,591,123 km (0.111 R)
• M8: 2,289,745 km (0.09 R)
• M9: 2,548,400 km (0.111 R)
• M10: 2,652,969 km (0.094 R)
• M11: 2,826,353 km (0.06 R)
• M12: 3,007,067 km (0.067 R)
• M13: 4,199,811 km (0.074 R)
• M14: 4,345,968 km (0.119 R)
• M15: 4,997,317 km (0.114 R)
• M16: 6,413,261 km (0.087 R)
• M17: 6,725,471 km (0.1 R)
• M18: 7,722,840 km (0.112 R)
• M19: 8,440,013 km (0.073 R)
• M20: 9,397,439 km (0.088 R)
• M21: 10,856,317 km (0.115 R)
• M22: 11,021,025 km (0.119 R)
• M23: 14,278,818 km (0.102 R)
• M24: 17,971,043 km (0.045 R)
• M25: 20,784,979 km (0.088 R)
• M26: 24,438,458 km (0.119 R)
• M27: 26,465,359 km (0.11 R)
• M28: 27,367,434 km (0.083 R)
• M29: 27,774,789 km (0.03 R)
• M30: 28,915,922 km (0.047 R)
• M31: 30,849,923 km (0.107 R)
• M32: 37,166,394 km (0.052 R)
• M33: 39,062,398 km (0.088 R)
• M34: 47,584,540 km (0.07 R)
• M35: 49,968,830 km (0.099 R)
• M36: 50,883,173 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.9

Radius: 3.8

Gravity: 45.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.74 AU - 12.9 AU

Year: 21406 Days

Day: 24.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,589,822 km

• M1: 47,273 km (0.098 R)
• M2: 200,611 km (0.092 R)
• M3: 754,123 km (0.094 R)
• M4: 930,050 km (0.047 R)
• M5: 1,133,054 km (0.067 R)
• M6: 1,789,939 km (0.063 R)
• M7: 3,472,765 km (0.088 R)
• M8: 3,804,124 km (0.114 R)
• M9: 4,357,038 km (0.113 R)
• M10: 4,814,658 km (0.104 R)
• M11: 6,467,864 km (0.06 R)
• M12: 7,397,016 km (0.119 R)
• M13: 8,098,182 km (0.11 R)
• M14: 9,174,987 km (0.05 R)
• M15: 11,218,943 km (0.111 R)
• M16: 11,412,672 km (0.052 R)
• M17: 12,277,946 km (0.102 R)
• M18: 15,771,655 km (0.111 R)
• M19: 20,157,864 km (0.097 R)
• M20: 21,916,986 km (0.116 R)
• M21: 22,627,875 km (0.095 R)
• M22: 23,145,035 km (0.087 R)
• M23: 23,459,040 km (0.111 R)
• M24: 25,071,855 km (0.115 R)
• M25: 25,292,362 km (0.101 R)
• M26: 27,335,271 km (0.098 R)
• M27: 30,226,549 km (0.036 R)
• M28: 30,351,164 km (0.055 R)
• M29: 30,601,591 km (0.092 R)
• M30: 35,764,961 km (0.09 R)
• M31: 39,066,586 km (0.07 R)
• M32: 40,867,296 km (0.099 R)
• M33: 44,471,707 km (0.057 R)
• M34: 51,411,851 km (0.107 R)
• M35: 56,734,095 km (0.052 R)
• M36: 64,454,243 km (0.069 R)
• M37: 65,700,692 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 15,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit