🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 10.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.73 AU - 0.95 AU

Year: 541 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,624,137 km

• M1: 127,009 km (0.075 R)
• M2: 512,223 km (0.086 R)
• M3: 931,995 km (0.034 R)
• M4: 1,296,565 km (0.118 R)
• M5: 1,757,326 km (0.08 R)
• M6: 2,202,829 km (0.057 R)
• M7: 2,643,694 km (0.09 R)
• M8: 3,288,610 km (0.115 R)
• M9: 4,235,415 km (0.05 R)
• M10: 4,936,281 km (0.079 R)
• M11: 5,306,984 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.2

Radius: 10.2

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.88 AU - 0.94 AU

Year: 610 Days

Day: 7.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,624,137 km

• M1: 126,859 km (0.083 R)
• M2: 483,800 km (0.079 R)
• M3: 913,445 km (0.095 R)
• M4: 1,893,011 km (0.085 R)
• M5: 2,444,728 km (0.039 R)
• M6: 2,993,603 km (0.114 R)
• M7: 3,503,582 km (0.095 R)
• M8: 3,912,732 km (0.094 R)
• M9: 4,602,229 km (0.087 R)
• M10: 5,179,527 km (0.082 R)
• M11: 6,340,107 km (0.113 R)
• M12: 6,825,104 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.2

Radius: 9.2

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.98 AU - 2.36 AU

Year: 2247 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,624,137 km

• M1: 114,442 km (0.094 R)
• M2: 492,177 km (0.073 R)
• M3: 933,940 km (0.113 R)
• M4: 1,578,706 km (0.091 R)
• M5: 2,036,476 km (0.084 R)
• M6: 2,864,650 km (0.103 R)
• M7: 3,270,060 km (0.108 R)
• M8: 4,527,430 km (0.045 R)
• M9: 4,875,694 km (0.11 R)
• M10: 5,312,520 km (0.068 R)
• M11: 6,865,495 km (0.08 R)
• M12: 7,267,614 km (0.039 R)
• M13: 8,214,120 km (0.062 R)
• M14: 9,206,103 km (0.077 R)
• M15: 9,518,913 km (0.074 R)
• M16: 12,746,786 km (0.09 R)
• M17: 13,399,332 km (0.05 R)
• M18: 14,676,748 km (0.061 R)
• M19: 16,588,908 km (0.092 R)
• M20: 17,209,290 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 10.1

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.17 AU - 2.41 AU

Year: 2436 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,624,137 km

• M1: 125,812 km (0.083 R)
• M2: 508,633 km (0.113 R)
• M3: 843,283 km (0.044 R)
• M4: 1,285,195 km (0.092 R)
• M5: 2,162,138 km (0.078 R)
• M6: 2,673,164 km (0.119 R)
• M7: 3,161,601 km (0.115 R)
• M8: 3,773,157 km (0.115 R)
• M9: 4,572,160 km (0.112 R)
• M10: 5,293,521 km (0.107 R)
• M11: 5,649,564 km (0.11 R)
• M12: 6,551,040 km (0.04 R)
• M13: 7,467,627 km (0.107 R)
• M14: 8,299,540 km (0.084 R)
• M15: 8,752,523 km (0.066 R)
• M16: 9,801,054 km (0.074 R)
• M17: 11,303,914 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 12.3

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.26 AU - 2.96 AU

Year: 2964 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,624,137 km

• M1: 153,039 km (0.101 R)
• M2: 538,852 km (0.101 R)
• M3: 1,010,085 km (0.111 R)
• M4: 1,402,330 km (0.116 R)
• M5: 2,552,738 km (0.066 R)
• M6: 3,335,733 km (0.117 R)
• M7: 3,757,749 km (0.115 R)
• M8: 4,669,398 km (0.052 R)
• M9: 7,200,445 km (0.096 R)
• M10: 8,358,332 km (0.058 R)
• M11: 9,873,160 km (0.106 R)
• M12: 10,393,162 km (0.068 R)
• M13: 10,822,209 km (0.12 R)
• M14: 11,337,873 km (0.115 R)
• M15: 11,908,439 km (0.106 R)
• M16: 12,458,062 km (0.103 R)
• M17: 13,906,768 km (0.032 R)
• M18: 14,918,199 km (0.086 R)
• M19: 15,372,827 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 14.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.52 AU - 4.88 AU

Year: 7162 Days

Day: 10.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,624,137 km

• M1: 180,265 km (0.118 R)
• M2: 724,502 km (0.108 R)
• M3: 1,549,684 km (0.098 R)
• M4: 2,210,159 km (0.094 R)
• M5: 2,790,599 km (0.062 R)
• M6: 3,731,270 km (0.119 R)
• M7: 6,205,619 km (0.054 R)
• M8: 9,810,928 km (0.116 R)
• M9: 13,026,983 km (0.079 R)
• M10: 17,162,466 km (0.106 R)
• M11: 17,646,864 km (0.065 R)
• M12: 18,643,485 km (0.117 R)
• M13: 23,513,045 km (0.049 R)
• M14: 24,197,605 km (0.067 R)
• M15: 24,895,330 km (0.111 R)
• M16: 26,514,577 km (0.113 R)
• M17: 28,202,939 km (0.074 R)
• M18: 29,466,143 km (0.079 R)
• M19: 30,665,469 km (0.072 R)
• M20: 31,277,175 km (0.082 R)
• M21: 35,120,045 km (0.061 R)
• M22: 38,201,312 km (0.116 R)
• M23: 39,028,738 km (0.071 R)

Asteroid Belt

Center: 5.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.1

Radius: 4

Gravity: 37.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.33 AU - 5.87 AU

Year: 9315 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,624,137 km

• M1: 51,162 km (0.102 R)
• M2: 256,411 km (0.093 R)
• M3: 393,143 km (0.098 R)
• M4: 738,864 km (0.109 R)
• M5: 1,687,913 km (0.07 R)
• M6: 2,239,031 km (0.051 R)
• M7: 2,694,706 km (0.098 R)
• M8: 3,661,258 km (0.116 R)
• M9: 5,562,198 km (0.113 R)
• M10: 6,141,441 km (0.081 R)
• M11: 7,702,046 km (0.107 R)
• M12: 8,204,695 km (0.111 R)
• M13: 9,603,735 km (0.067 R)
• M14: 10,037,868 km (0.07 R)
• M15: 10,185,521 km (0.075 R)
• M16: 10,790,494 km (0.118 R)
• M17: 11,961,247 km (0.064 R)
• M18: 12,182,802 km (0.068 R)
• M19: 12,350,800 km (0.056 R)
• M20: 12,921,965 km (0.117 R)
• M21: 15,777,639 km (0.113 R)
• M22: 16,517,998 km (0.045 R)
• M23: 16,861,924 km (0.103 R)
• M24: 18,285,946 km (0.105 R)
• M25: 19,102,451 km (0.055 R)
• M26: 19,481,532 km (0.115 R)
• M27: 29,845,822 km (0.082 R)
• M28: 30,664,871 km (0.112 R)
• M29: 32,777,941 km (0.042 R)
• M30: 33,980,558 km (0.116 R)
• M31: 35,212,347 km (0.076 R)
• M32: 38,002,347 km (0.117 R)
• M33: 40,437,052 km (0.103 R)
• M34: 40,561,518 km (0.093 R)
• M35: 41,819,486 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 19,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit