🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.3

Radius: 9.9

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1 AU - 1.52 AU

Year: 899 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,417,551 km

• M1: 123,119 km (0.08 R)
• M2: 447,746 km (0.091 R)
• M3: 764,296 km (0.082 R)
• M4: 1,100,741 km (0.091 R)
• M5: 1,435,840 km (0.064 R)
• M6: 2,395,959 km (0.065 R)
• M7: 2,744,373 km (0.085 R)
• M8: 3,921,259 km (0.091 R)
• M9: 4,425,255 km (0.093 R)
• M10: 4,917,132 km (0.111 R)
• M11: 5,804,397 km (0.072 R)
• M12: 6,704,378 km (0.074 R)
• M13: 8,565,525 km (0.076 R)
• M14: 9,500,811 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 12

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.01 AU - 1.61 AU

Year: 953 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,417,551 km

• M1: 149,299 km (0.116 R)
• M2: 735,124 km (0.101 R)
• M3: 1,208,302 km (0.048 R)
• M4: 1,677,591 km (0.058 R)
• M5: 2,236,189 km (0.117 R)
• M6: 2,955,456 km (0.106 R)
• M7: 3,434,468 km (0.056 R)
• M8: 4,292,412 km (0.116 R)
• M9: 4,691,389 km (0.118 R)
• M10: 5,504,454 km (0.084 R)
• M11: 5,997,827 km (0.085 R)
• M12: 7,192,965 km (0.097 R)
• M13: 7,733,163 km (0.075 R)
• M14: 8,730,382 km (0.088 R)
• M15: 9,460,719 km (0.094 R)
• M16: 10,019,916 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.9

Radius: 13.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.12 AU - 3.02 AU

Year: 2620 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,417,551 km

• M1: 172,935 km (0.116 R)
• M2: 716,125 km (0.112 R)
• M3: 1,290,431 km (0.071 R)
• M4: 1,752,090 km (0.097 R)
• M5: 2,196,396 km (0.119 R)
• M6: 2,837,273 km (0.112 R)
• M7: 3,441,200 km (0.07 R)
• M8: 4,311,261 km (0.119 R)
• M9: 4,798,800 km (0.116 R)
• M10: 6,818,821 km (0.105 R)
• M11: 9,148,059 km (0.095 R)
• M12: 10,067,189 km (0.076 R)
• M13: 10,511,794 km (0.12 R)
• M14: 12,131,191 km (0.067 R)
• M15: 12,806,326 km (0.03 R)
• M16: 13,865,927 km (0.036 R)
• M17: 18,310,779 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 9.4

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3 AU - 3.18 AU

Year: 3454 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,417,551 km

• M1: 117,135 km (0.067 R)
• M2: 429,944 km (0.11 R)
• M3: 835,205 km (0.069 R)
• M4: 1,428,360 km (0.104 R)
• M5: 2,416,754 km (0.093 R)
• M6: 2,872,279 km (0.099 R)
• M7: 4,175,277 km (0.094 R)
• M8: 5,213,635 km (0.075 R)
• M9: 6,005,607 km (0.098 R)
• M10: 7,001,928 km (0.074 R)
• M11: 7,324,611 km (0.101 R)
• M12: 7,999,896 km (0.044 R)
• M13: 8,317,043 km (0.067 R)
• M14: 8,976,620 km (0.117 R)
• M15: 10,153,058 km (0.093 R)
• M16: 11,165,835 km (0.11 R)
• M17: 13,539,355 km (0.107 R)
• M18: 14,194,444 km (0.091 R)
• M19: 16,854,743 km (0.112 R)
• M20: 17,377,139 km (0.102 R)
• M21: 18,332,471 km (0.052 R)
• M22: 21,140,124 km (0.051 R)
• M23: 21,476,270 km (0.111 R)
• M24: 23,211,007 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 11.8

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.03 AU - 3.57 AU

Year: 3812 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 124.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,417,551 km

• M1: 146,756 km (0.052 R)
• M2: 614,249 km (0.084 R)
• M3: 1,068,578 km (0.057 R)
• M4: 3,588,853 km (0.116 R)
• M5: 4,020,443 km (0.074 R)
• M6: 4,535,209 km (0.062 R)
• M7: 5,612,613 km (0.109 R)
• M8: 7,695,015 km (0.098 R)
• M9: 8,416,825 km (0.066 R)
• M10: 9,829,478 km (0.115 R)
• M11: 10,376,707 km (0.067 R)
• M12: 11,167,780 km (0.103 R)
• M13: 11,717,104 km (0.106 R)
• M14: 15,796,039 km (0.086 R)
• M15: 16,197,709 km (0.091 R)
• M16: 21,287,328 km (0.079 R)
• M17: 22,708,807 km (0.095 R)
• M18: 27,188,665 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.4

Radius: 14.6

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.3 AU - 4.54 AU

Year: 4935 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,417,551 km

• M1: 182,509 km (0.068 R)
• M2: 964,757 km (0.108 R)
• M3: 1,478,925 km (0.112 R)
• M4: 2,112,472 km (0.051 R)
• M5: 3,238,644 km (0.087 R)
• M6: 3,937,117 km (0.116 R)
• M7: 4,853,703 km (0.083 R)
• M8: 8,022,335 km (0.096 R)
• M9: 10,317,017 km (0.082 R)
• M10: 11,058,424 km (0.055 R)
• M11: 11,528,760 km (0.109 R)
• M12: 12,880,077 km (0.069 R)
• M13: 13,353,256 km (0.091 R)
• M14: 15,681,597 km (0.113 R)
• M15: 17,054,905 km (0.072 R)
• M16: 17,626,220 km (0.093 R)
• M17: 18,092,366 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 8.8

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.96 AU - 4.52 AU

Year: 5551 Days

Day: 10.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 24,417,551 km

• M1: 110,104 km (0.051 R)
• M2: 399,426 km (0.119 R)
• M3: 696,228 km (0.034 R)
• M4: 1,031,926 km (0.072 R)
• M5: 1,314,965 km (0.105 R)
• M6: 1,825,992 km (0.09 R)
• M7: 2,231,103 km (0.091 R)
• M8: 3,434,917 km (0.113 R)
• M9: 4,031,214 km (0.104 R)
• M10: 4,776,062 km (0.074 R)
• M11: 5,081,540 km (0.119 R)
• M12: 6,949,270 km (0.046 R)
• M13: 7,979,251 km (0.083 R)
• M14: 9,192,041 km (0.109 R)
• M15: 9,842,642 km (0.097 R)
• M16: 12,441,008 km (0.117 R)
• M17: 12,755,462 km (0.113 R)
• M18: 13,237,018 km (0.083 R)
• M19: 14,871,375 km (0.068 R)
• M20: 15,706,879 km (0.106 R)
• M21: 18,266,050 km (0.066 R)
• M22: 18,809,389 km (0.098 R)
• M23: 19,715,204 km (0.106 R)
• M24: 22,607,081 km (0.088 R)
• M25: 23,871,332 km (0.091 R)
• M26: 24,520,737 km (0.066 R)
• M27: 25,855,000 km (0.039 R)
• M28: 29,679,918 km (0.079 R)
• M29: 31,290,788 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15

Radius: 4.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.74 AU - 12.12 AU

Year: 24570 Days

Day: 24.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,417,551 km

• M1: 59,690 km (0.095 R)
• M2: 240,254 km (0.102 R)
• M3: 1,034,020 km (0.062 R)
• M4: 2,309,043 km (0.068 R)
• M5: 3,215,307 km (0.043 R)
• M6: 4,812,264 km (0.092 R)
• M7: 9,418,981 km (0.097 R)
• M8: 19,337,769 km (0.102 R)
• M9: 19,969,820 km (0.118 R)
• M10: 21,542,692 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 18,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit