🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 9.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.44 AU - 0.7 AU

Year: 292 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,220,088 km

• M1: 123,119 km (0.118 R)
• M2: 518,506 km (0.096 R)
• M3: 1,040,004 km (0.093 R)
• M4: 1,499,270 km (0.077 R)
• M5: 1,840,951 km (0.095 R)
• M6: 2,165,579 km (0.104 R)
• M7: 2,513,394 km (0.118 R)
• M8: 2,898,459 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.3

Radius: 9.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.55 AU - 0.79 AU

Year: 372 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,220,088 km

• M1: 123,418 km (0.045 R)
• M2: 523,144 km (0.092 R)
• M3: 902,524 km (0.093 R)
• M4: 1,366,876 km (0.102 R)
• M5: 1,961,826 km (0.073 R)
• M6: 2,500,678 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 12.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.76 AU - 0.9 AU

Year: 513 Days

Day: 7.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,220,088 km

• M1: 151,243 km (0.071 R)
• M2: 576,550 km (0.094 R)
• M3: 1,035,965 km (0.102 R)
• M4: 1,651,710 km (0.06 R)
• M5: 2,208,663 km (0.082 R)
• M6: 3,157,113 km (0.095 R)
• M7: 3,558,485 km (0.105 R)
• M8: 4,344,472 km (0.095 R)
• M9: 4,941,218 km (0.063 R)
• M10: 5,772,683 km (0.048 R)
• M11: 6,475,493 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.1

Radius: 12

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.59 AU - 2.49 AU

Year: 1976 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,220,088 km

• M1: 149,299 km (0.037 R)
• M2: 559,945 km (0.096 R)
• M3: 935,884 km (0.113 R)
• M4: 1,353,861 km (0.074 R)
• M5: 2,050,987 km (0.109 R)
• M6: 2,666,881 km (0.085 R)
• M7: 3,184,340 km (0.101 R)
• M8: 3,837,485 km (0.088 R)
• M9: 4,617,488 km (0.095 R)
• M10: 6,668,774 km (0.038 R)
• M11: 7,217,648 km (0.084 R)
• M12: 8,586,020 km (0.106 R)
• M13: 9,427,957 km (0.06 R)
• M14: 9,919,087 km (0.091 R)
• M15: 10,670,367 km (0.117 R)
• M16: 12,402,112 km (0.118 R)
• M17: 14,059,956 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.7

Radius: 12.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.05 AU - 4.15 AU

Year: 5631 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,220,088 km

• M1: 153,039 km (0.109 R)
• M2: 830,567 km (0.075 R)
• M3: 1,228,797 km (0.083 R)
• M4: 1,913,207 km (0.087 R)
• M5: 2,385,936 km (0.102 R)
• M6: 2,897,262 km (0.11 R)
• M7: 3,503,283 km (0.092 R)
• M8: 4,067,566 km (0.087 R)
• M9: 4,664,462 km (0.058 R)
• M10: 5,379,091 km (0.045 R)
• M11: 5,810,232 km (0.09 R)
• M12: 6,231,350 km (0.086 R)
• M13: 8,405,755 km (0.119 R)
• M14: 9,333,112 km (0.058 R)
• M15: 9,731,641 km (0.12 R)
• M16: 12,848,662 km (0.103 R)
• M17: 16,836,343 km (0.09 R)
• M18: 19,646,240 km (0.096 R)
• M19: 20,673,379 km (0.05 R)
• M20: 21,200,113 km (0.059 R)
• M21: 22,202,418 km (0.085 R)
• M22: 23,805,509 km (0.071 R)
• M23: 25,570,614 km (0.106 R)
• M24: 28,518,141 km (0.078 R)
• M25: 31,190,857 km (0.066 R)
• M26: 32,285,016 km (0.047 R)
• M27: 32,790,806 km (0.085 R)
• M28: 33,301,832 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.1

Radius: 13.6

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.28 AU - 4.92 AU

Year: 6692 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,220,088 km

• M1: 169,195 km (0.076 R)
• M2: 947,852 km (0.091 R)
• M3: 1,645,726 km (0.11 R)
• M4: 2,429,769 km (0.045 R)
• M5: 3,122,108 km (0.057 R)
• M6: 3,602,915 km (0.049 R)
• M7: 5,323,440 km (0.045 R)
• M8: 5,767,596 km (0.052 R)
• M9: 6,204,422 km (0.055 R)
• M10: 7,358,719 km (0.119 R)
• M11: 8,217,561 km (0.053 R)
• M12: 9,267,887 km (0.071 R)
• M13: 10,774,188 km (0.109 R)
• M14: 11,832,294 km (0.048 R)
• M15: 12,438,016 km (0.079 R)
• M16: 13,711,842 km (0.11 R)
• M17: 14,155,250 km (0.064 R)
• M18: 14,780,419 km (0.105 R)
• M19: 16,893,489 km (0.11 R)
• M20: 17,403,468 km (0.04 R)
• M21: 24,353,187 km (0.056 R)
• M22: 28,080,717 km (0.037 R)
• M23: 28,616,876 km (0.113 R)
• M24: 29,251,021 km (0.067 R)
• M25: 32,270,205 km (0.103 R)
• M26: 33,454,273 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 8.6

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.99 AU - 5.75 AU

Year: 7289 Days

Day: 9.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,220,088 km

• M1: 109,356 km (0.083 R)
• M2: 393,442 km (0.103 R)
• M3: 772,523 km (0.059 R)
• M4: 1,480,271 km (0.082 R)
• M5: 1,971,251 km (0.071 R)
• M6: 2,417,053 km (0.074 R)
• M7: 5,692,498 km (0.071 R)
• M8: 7,637,869 km (0.045 R)
• M9: 8,475,467 km (0.066 R)
• M10: 9,465,955 km (0.077 R)
• M11: 11,568,553 km (0.094 R)
• M12: 11,837,979 km (0.103 R)
• M13: 13,015,763 km (0.119 R)
• M14: 14,393,559 km (0.099 R)
• M15: 16,878,679 km (0.111 R)
• M16: 17,295,608 km (0.12 R)
• M17: 18,514,382 km (0.055 R)
• M18: 27,913,766 km (0.114 R)
• M19: 31,223,170 km (0.043 R)
• M20: 39,212,295 km (0.047 R)
• M21: 39,943,978 km (0.051 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 14,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit