🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 9.1

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.7 AU - 0.9 AU

Year: 455 Days

Day: 11.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,132,615 km

• M1: 113,096 km (0.057 R)
• M2: 414,237 km (0.093 R)
• M3: 741,706 km (0.102 R)
• M4: 1,095,356 km (0.114 R)
• M5: 1,561,652 km (0.102 R)
• M6: 2,110,976 km (0.05 R)
• M7: 2,411,518 km (0.036 R)
• M8: 2,894,420 km (0.114 R)
• M9: 3,206,930 km (0.116 R)
• M10: 3,914,527 km (0.083 R)
• M11: 4,896,638 km (0.036 R)
• M12: 5,291,875 km (0.096 R)
• M13: 5,726,008 km (0.119 R)
• M14: 6,548,048 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.6

Radius: 8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.26 AU - 1.48 AU

Year: 1020 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 72.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,132,615 km

• M1: 99,931 km (0.045 R)
• M2: 351,555 km (0.036 R)
• M3: 618,737 km (0.097 R)
• M4: 1,016,667 km (0.074 R)
• M5: 1,383,930 km (0.098 R)
• M6: 2,036,177 km (0.093 R)
• M7: 2,323,255 km (0.103 R)
• M8: 2,672,566 km (0.077 R)
• M9: 3,505,677 km (0.055 R)
• M10: 3,828,958 km (0.076 R)
• M11: 4,252,918 km (0.037 R)
• M12: 5,596,157 km (0.12 R)
• M13: 6,375,562 km (0.096 R)
• M14: 8,123,015 km (0.088 R)
• M15: 9,175,137 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 9.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.9 AU - 5 AU

Year: 7002 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,132,615 km

• M1: 123,119 km (0.116 R)
• M2: 535,710 km (0.072 R)
• M3: 905,516 km (0.081 R)
• M4: 4,595,796 km (0.042 R)
• M5: 8,141,565 km (0.118 R)
• M6: 11,773,652 km (0.1 R)
• M7: 12,298,890 km (0.092 R)
• M8: 13,293,716 km (0.072 R)
• M9: 14,503,065 km (0.114 R)
• M10: 19,744,825 km (0.054 R)
• M11: 20,079,625 km (0.045 R)
• M12: 21,740,011 km (0.104 R)
• M13: 25,568,670 km (0.063 R)
• M14: 28,527,267 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347

Radius: 7

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.13 AU - 7.03 AU

Year: 10732 Days

Day: 22.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,132,615 km

• M1: 87,216 km (0.087 R)
• M2: 378,782 km (0.066 R)
• M3: 983,307 km (0.058 R)
• M4: 1,254,827 km (0.111 R)
• M5: 1,671,756 km (0.064 R)
• M6: 1,920,837 km (0.082 R)
• M7: 2,722,382 km (0.111 R)
• M8: 3,111,935 km (0.1 R)
• M9: 3,514,652 km (0.085 R)
• M10: 4,209,983 km (0.103 R)
• M11: 5,173,244 km (0.055 R)
• M12: 5,903,282 km (0.059 R)
• M13: 10,563,704 km (0.077 R)
• M14: 10,861,105 km (0.067 R)
• M15: 11,420,900 km (0.106 R)
• M16: 12,378,177 km (0.068 R)
• M17: 14,031,532 km (0.074 R)
• M18: 15,191,215 km (0.096 R)
• M19: 15,762,380 km (0.068 R)
• M20: 18,546,546 km (0.079 R)
• M21: 20,396,174 km (0.077 R)
• M22: 20,626,106 km (0.055 R)
• M23: 21,722,060 km (0.106 R)
• M24: 23,187,371 km (0.07 R)
• M25: 23,944,186 km (0.067 R)
• M26: 25,066,470 km (0.101 R)
• M27: 25,596,046 km (0.111 R)
• M28: 25,953,136 km (0.076 R)
• M29: 26,769,043 km (0.025 R)
• M30: 40,052,287 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.7

Radius: 7.3

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.16 AU - 8.46 AU

Year: 11299 Days

Day: 22.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,132,615 km

• M1: 96,790 km (0.087 R)
• M2: 393,742 km (0.066 R)
• M3: 1,520,064 km (0.081 R)
• M4: 1,973,944 km (0.049 R)
• M5: 2,241,724 km (0.079 R)
• M6: 2,729,264 km (0.115 R)
• M7: 4,766,487 km (0.111 R)
• M8: 5,066,132 km (0.075 R)
• M9: 5,972,545 km (0.089 R)
• M10: 6,428,370 km (0.098 R)
• M11: 8,617,885 km (0.082 R)
• M12: 10,244,612 km (0.115 R)
• M13: 20,173,572 km (0.106 R)
• M14: 20,485,334 km (0.087 R)
• M15: 28,282,225 km (0.066 R)
• M16: 28,672,825 km (0.111 R)
• M17: 35,084,889 km (0.054 R)
• M18: 41,756,655 km (0.114 R)
• M19: 42,263,343 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.6

Radius: 7.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.72 AU - 8.82 AU

Year: 13771 Days

Day: 22.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,132,615 km

• M1: 93,499 km (0.084 R)
• M2: 760,107 km (0.072 R)
• M3: 2,117,707 km (0.077 R)
• M4: 2,907,285 km (0.053 R)
• M5: 3,778,393 km (0.104 R)
• M6: 4,638,132 km (0.107 R)
• M7: 8,376,882 km (0.108 R)
• M8: 9,779,961 km (0.092 R)
• M9: 10,562,358 km (0.089 R)
• M10: 11,705,285 km (0.094 R)
• M11: 12,871,251 km (0.088 R)
• M12: 13,452,888 km (0.108 R)
• M13: 16,088,503 km (0.059 R)
• M14: 17,177,127 km (0.049 R)
• M15: 18,753,140 km (0.094 R)
• M16: 22,857,208 km (0.1 R)
• M17: 36,567,255 km (0.035 R)
• M18: 38,682,269 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.7

Radius: 3.5

Gravity: 52.87 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.76 AU - 8.02 AU

Year: 14091 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,132,615 km

• M1: 43,533 km (0.093 R)
• M2: 182,509 km (0.088 R)
• M3: 371,152 km (0.092 R)
• M4: 1,753,287 km (0.081 R)
• M5: 2,427,973 km (0.093 R)
• M6: 3,134,674 km (0.12 R)
• M7: 4,116,036 km (0.032 R)
• M8: 4,741,505 km (0.079 R)
• M9: 4,873,899 km (0.113 R)
• M10: 5,321,047 km (0.104 R)
• M11: 5,572,820 km (0.029 R)
• M12: 6,660,396 km (0.048 R)
• M13: 8,161,611 km (0.039 R)
• M14: 8,593,949 km (0.094 R)
• M15: 10,644,487 km (0.088 R)
• M16: 11,218,344 km (0.1 R)
• M17: 18,705,119 km (0.096 R)
• M18: 19,202,682 km (0.119 R)
• M19: 20,224,286 km (0.065 R)
• M20: 21,915,190 km (0.044 R)
• M21: 22,748,002 km (0.094 R)
• M22: 25,574,803 km (0.117 R)
• M23: 27,124,936 km (0.113 R)
• M24: 29,845,673 km (0.112 R)
• M25: 31,562,308 km (0.092 R)
• M26: 33,952,134 km (0.056 R)
• M27: 34,691,896 km (0.094 R)
• M28: 35,191,104 km (0.089 R)
• M29: 38,286,882 km (0.081 R)
• M30: 40,586,202 km (0.112 R)
• M31: 41,279,737 km (0.068 R)
• M32: 42,547,729 km (0.099 R)
• M33: 44,278,427 km (0.1 R)
• M34: 46,961,614 km (0.088 R)
• M35: 50,865,221 km (0.108 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: 342 - 15,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit