🌌 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: 472.3

Radius: 14.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.77 AU - 0.83 AU

Year: 477 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,868,267 km

• M1: 184,005 km (0.084 R)
• M2: 743,352 km (0.111 R)
• M3: 1,324,540 km (0.089 R)
• M4: 2,039,617 km (0.107 R)
• M5: 2,586,248 km (0.078 R)
• M6: 3,286,516 km (0.118 R)
• M7: 3,817,588 km (0.069 R)
• M8: 4,364,967 km (0.027 R)
• M9: 4,905,314 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172

Radius: 14.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.53 AU - 1.77 AU

Year: 1413 Days

Day: 12.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,868,267 km

• M1: 181,911 km (0.106 R)
• M2: 1,125,574 km (0.088 R)
• M3: 2,103,047 km (0.096 R)
• M4: 3,151,429 km (0.081 R)
• M5: 4,092,549 km (0.058 R)
• M6: 4,971,137 km (0.048 R)
• M7: 6,368,531 km (0.099 R)
• M8: 7,258,040 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 8.8

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.88 AU - 2.56 AU

Year: 2206 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,868,267 km

• M1: 110,254 km (0.049 R)
• M2: 516,113 km (0.096 R)
• M3: 844,031 km (0.113 R)
• M4: 1,166,714 km (0.064 R)
• M5: 1,472,342 km (0.084 R)
• M6: 1,972,298 km (0.108 R)
• M7: 2,899,207 km (0.108 R)
• M8: 4,031,962 km (0.09 R)
• M9: 4,525,186 km (0.11 R)
• M10: 4,808,824 km (0.032 R)
• M11: 5,832,971 km (0.047 R)
• M12: 6,249,152 km (0.11 R)
• M13: 6,629,280 km (0.073 R)
• M14: 9,244,400 km (0.101 R)
• M15: 9,595,656 km (0.077 R)
• M16: 10,818,768 km (0.079 R)
• M17: 12,142,560 km (0.117 R)
• M18: 13,039,399 km (0.041 R)
• M19: 13,706,456 km (0.03 R)
• M20: 15,060,616 km (0.062 R)
• M21: 16,145,799 km (0.046 R)
• M22: 17,815,910 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.1

Radius: 15

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.56 AU - 3.92 AU

Year: 3889 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,868,267 km

• M1: 186,549 km (0.1 R)
• M2: 781,649 km (0.09 R)
• M3: 1,546,842 km (0.048 R)
• M4: 2,839,816 km (0.098 R)
• M5: 4,147,152 km (0.082 R)
• M6: 6,656,208 km (0.075 R)
• M7: 10,314,324 km (0.097 R)
• M8: 11,209,518 km (0.034 R)
• M9: 12,381,767 km (0.109 R)
• M10: 13,553,567 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.3

Radius: 14

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.38 AU - 5.08 AU

Year: 6860 Days

Day: 5.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,868,267 km

• M1: 174,132 km (0.068 R)
• M2: 615,745 km (0.099 R)
• M3: 1,288,786 km (0.113 R)
• M4: 1,858,604 km (0.103 R)
• M5: 2,577,123 km (0.117 R)
• M6: 3,211,417 km (0.041 R)
• M7: 4,684,059 km (0.064 R)
• M8: 5,324,787 km (0.087 R)
• M9: 5,794,674 km (0.092 R)
• M10: 7,959,355 km (0.1 R)
• M11: 9,583,090 km (0.1 R)
• M12: 10,473,497 km (0.097 R)
• M13: 11,214,754 km (0.114 R)
• M14: 14,777,577 km (0.094 R)
• M15: 16,354,488 km (0.096 R)
• M16: 18,604,440 km (0.11 R)
• M17: 21,364,670 km (0.089 R)
• M18: 22,155,295 km (0.117 R)
• M19: 23,544,012 km (0.104 R)
• M20: 26,948,411 km (0.068 R)
• M21: 29,878,734 km (0.094 R)
• M22: 31,980,734 km (0.055 R)
• M23: 34,072,561 km (0.092 R)
• M24: 37,950,586 km (0.076 R)
• M25: 38,876,597 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 11.6

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.94 AU - 5.9 AU

Year: 7277 Days

Day: 10.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,868,267 km

• M1: 153,787 km (0.048 R)
• M2: 517,459 km (0.103 R)
• M3: 1,087,876 km (0.083 R)
• M4: 1,588,729 km (0.066 R)
• M5: 1,963,771 km (0.088 R)
• M6: 2,345,395 km (0.117 R)
• M7: 2,737,342 km (0.052 R)
• M8: 3,239,392 km (0.104 R)
• M9: 4,826,626 km (0.103 R)
• M10: 5,278,561 km (0.094 R)
• M11: 7,144,645 km (0.07 R)
• M12: 8,018,745 km (0.086 R)
• M13: 9,323,837 km (0.047 R)
• M14: 10,367,581 km (0.11 R)
• M15: 14,638,301 km (0.065 R)
• M16: 15,524,220 km (0.119 R)
• M17: 16,178,561 km (0.085 R)
• M18: 16,783,086 km (0.097 R)
• M19: 19,204,178 km (0.115 R)
• M20: 22,754,584 km (0.027 R)
• M21: 25,440,913 km (0.036 R)
• M22: 29,507,731 km (0.063 R)
• M23: 30,613,708 km (0.053 R)
• M24: 31,643,091 km (0.075 R)
• M25: 34,427,108 km (0.096 R)
• M26: 38,783,996 km (0.077 R)
• M27: 39,504,011 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.5

Radius: 9.8

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.66 AU - 5.32 AU

Year: 7433 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,868,267 km

• M1: 122,221 km (0.048 R)
• M2: 445,502 km (0.067 R)
• M3: 1,013,825 km (0.036 R)
• M4: 1,416,991 km (0.091 R)
• M5: 1,926,222 km (0.076 R)
• M6: 2,422,139 km (0.115 R)
• M7: 2,731,059 km (0.081 R)
• M8: 3,154,570 km (0.07 R)
• M9: 3,500,590 km (0.084 R)
• M10: 4,993,427 km (0.068 R)
• M11: 6,247,207 km (0.096 R)
• M12: 9,600,892 km (0.089 R)
• M13: 9,937,637 km (0.096 R)
• M14: 10,685,926 km (0.103 R)
• M15: 11,417,908 km (0.112 R)
• M16: 12,294,851 km (0.065 R)
• M17: 14,244,560 km (0.099 R)
• M18: 15,456,302 km (0.058 R)
• M19: 16,324,120 km (0.119 R)
• M20: 17,083,478 km (0.029 R)
• M21: 21,810,622 km (0.064 R)
• M22: 22,142,579 km (0.057 R)
• M23: 22,562,351 km (0.077 R)
• M24: 23,244,816 km (0.047 R)
• M25: 25,834,954 km (0.106 R)
• M26: 32,976,906 km (0.085 R)
• M27: 34,078,096 km (0.103 R)
• M28: 34,413,195 km (0.028 R)
• M29: 37,410,239 km (0.104 R)
• M30: 39,216,035 km (0.045 R)
• M31: 42,741,308 km (0.056 R)
• M32: 44,182,235 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.2

Radius: 3.8

Gravity: 44.13 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.67 AU - 12.31 AU

Year: 21056 Days

Day: 22.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,868,267 km

• M1: 66,421 km (0.082 R)
• M2: 212,130 km (0.092 R)
• M3: 616,942 km (0.076 R)
• M4: 1,542,653 km (0.106 R)
• M5: 1,979,629 km (0.064 R)
• M6: 3,752,214 km (0.105 R)
• M7: 5,226,501 km (0.076 R)
• M8: 7,001,031 km (0.115 R)
• M9: 9,999,720 km (0.058 R)
• M10: 10,786,754 km (0.047 R)
• M11: 16,807,022 km (0.087 R)
• M12: 16,974,721 km (0.111 R)
• M13: 34,982,116 km (0.063 R)
• M14: 40,722,036 km (0.076 R)
• M15: 47,894,207 km (0.049 R)
• M16: 48,400,147 km (0.101 R)
• M17: 53,476,751 km (0.107 R)
• M18: 58,896,831 km (0.094 R)
• M19: 63,244,594 km (0.091 R)
• M20: 63,650,154 km (0.069 R)
• M21: 72,129,511 km (0.045 R)
• M22: 76,408,309 km (0.157 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 19,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit