🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685

Radius: 12

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.55 AU - 0.77 AU

Year: 358 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,091,352 km

• M1: 149,897 km (0.12 R)
• M2: 423,512 km (0.115 R)
• M3: 663,467 km (0.064 R)
• M4: 925,712 km (0.077 R)
• M5: 1,332,917 km (0.091 R)
• M6: 1,688,960 km (0.043 R)
• M7: 2,625,293 km (0.06 R)
• M8: 3,022,027 km (0.101 R)
• M9: 3,286,964 km (0.085 R)
• M10: 4,009,223 km (0.098 R)
• M11: 4,242,296 km (0.096 R)
• M12: 4,482,102 km (0.104 R)
• M13: 5,012,127 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.3

Radius: 10.2

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.52 AU - 0.86 AU

Year: 382 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,091,352 km

• M1: 129,103 km (0.046 R)
• M2: 352,752 km (0.092 R)
• M3: 547,827 km (0.031 R)
• M4: 743,202 km (0.092 R)
• M5: 1,002,755 km (0.056 R)
• M6: 1,329,177 km (0.066 R)
• M7: 1,551,928 km (0.117 R)
• M8: 1,840,203 km (0.062 R)
• M9: 2,059,065 km (0.104 R)
• M10: 2,262,668 km (0.048 R)
• M11: 2,627,836 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.7

Radius: 13.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.69 AU - 0.91 AU

Year: 477 Days

Day: 15 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,091,352 km

• M1: 170,242 km (0.069 R)
• M2: 437,723 km (0.115 R)
• M3: 700,268 km (0.085 R)
• M4: 963,859 km (0.103 R)
• M5: 1,225,655 km (0.099 R)
• M6: 1,542,653 km (0.093 R)
• M7: 1,907,822 km (0.106 R)
• M8: 2,308,445 km (0.076 R)
• M9: 2,750,207 km (0.078 R)
• M10: 3,061,969 km (0.099 R)
• M11: 3,591,546 km (0.086 R)
• M12: 4,485,692 km (0.062 R)
• M13: 4,874,497 km (0.117 R)
• M14: 5,788,989 km (0.119 R)
• M15: 6,218,634 km (0.097 R)
• M16: 6,544,608 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 10.9

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.92 AU - 1.5 AU

Year: 888 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,091,352 km

• M1: 136,732 km (0.102 R)
• M2: 387,159 km (0.104 R)
• M3: 680,371 km (0.118 R)
• M4: 932,444 km (0.069 R)
• M5: 1,180,028 km (0.037 R)
• M6: 1,672,355 km (0.065 R)
• M7: 1,983,817 km (0.104 R)
• M8: 2,389,976 km (0.076 R)
• M9: 2,623,049 km (0.095 R)
• M10: 3,634,480 km (0.069 R)
• M11: 4,575,451 km (0.028 R)
• M12: 5,109,066 km (0.109 R)
• M13: 5,717,631 km (0.117 R)
• M14: 5,989,151 km (0.082 R)
• M15: 6,487,760 km (0.057 R)
• M16: 6,924,287 km (0.095 R)
• M17: 7,273,897 km (0.087 R)
• M18: 7,494,704 km (0.089 R)
• M19: 8,231,024 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576

Radius: 13.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.23 AU - 6.23 AU

Year: 9147 Days

Day: 6.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,091,352 km

• M1: 173,833 km (0.026 R)
• M2: 435,330 km (0.083 R)
• M3: 990,787 km (0.118 R)
• M4: 1,298,510 km (0.051 R)
• M5: 1,592,320 km (0.066 R)
• M6: 1,954,795 km (0.12 R)
• M7: 2,416,454 km (0.086 R)
• M8: 2,760,829 km (0.087 R)
• M9: 3,334,836 km (0.12 R)
• M10: 3,890,592 km (0.035 R)
• M11: 4,850,412 km (0.045 R)
• M12: 5,194,936 km (0.065 R)
• M13: 5,827,136 km (0.052 R)
• M14: 6,463,974 km (0.075 R)
• M15: 7,238,443 km (0.096 R)
• M16: 7,875,879 km (0.115 R)
• M17: 9,154,941 km (0.077 R)
• M18: 9,790,732 km (0.108 R)
• M19: 10,658,399 km (0.08 R)
• M20: 10,955,950 km (0.117 R)
• M21: 11,695,711 km (0.056 R)
• M22: 13,724,707 km (0.069 R)
• M23: 14,602,099 km (0.06 R)
• M24: 15,303,413 km (0.069 R)
• M25: 15,609,191 km (0.115 R)
• M26: 18,442,425 km (0.048 R)
• M27: 26,401,930 km (0.108 R)
• M28: 26,669,560 km (0.08 R)
• M29: 28,028,358 km (0.102 R)
• M30: 29,069,709 km (0.051 R)
• M31: 30,416,089 km (0.102 R)
• M32: 31,137,151 km (0.112 R)
• M33: 33,501,246 km (0.065 R)
• M34: 36,893,976 km (0.077 R)
• M35: 40,368,387 km (0.078 R)
• M36: 42,375,990 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.9

Radius: 6.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.38 AU - 6.52 AU

Year: 9678 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,091,352 km

• M1: 83,924 km (0.11 R)
• M2: 583,880 km (0.118 R)
• M3: 1,004,699 km (0.097 R)
• M4: 1,699,432 km (0.104 R)
• M5: 2,058,766 km (0.092 R)
• M6: 2,520,425 km (0.048 R)
• M7: 2,813,637 km (0.102 R)
• M8: 3,670,234 km (0.032 R)
• M9: 3,876,380 km (0.094 R)
• M10: 4,461,756 km (0.065 R)
• M11: 4,620,480 km (0.095 R)
• M12: 5,733,039 km (0.036 R)
• M13: 6,308,393 km (0.066 R)
• M14: 6,579,015 km (0.087 R)
• M15: 6,911,422 km (0.088 R)
• M16: 8,018,745 km (0.074 R)
• M17: 12,173,228 km (0.117 R)
• M18: 13,008,283 km (0.05 R)
• M19: 13,318,698 km (0.034 R)
• M20: 14,071,026 km (0.092 R)
• M21: 17,601,087 km (0.114 R)
• M22: 18,144,277 km (0.049 R)
• M23: 20,788,868 km (0.112 R)
• M24: 21,527,882 km (0.102 R)
• M25: 23,457,993 km (0.067 R)
• M26: 25,094,295 km (0.108 R)
• M27: 25,960,466 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.5

Radius: 4.1

Gravity: 21.39 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.45 AU - 8.27 AU

Year: 13315 Days

Day: 24.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 60.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,091,352 km

• M1: 669,151 km (0.057 R)
• M2: 1,323,642 km (0.048 R)
• M3: 1,515,426 km (0.078 R)
• M4: 1,633,609 km (0.113 R)
• M5: 1,810,284 km (0.069 R)
• M6: 3,821,178 km (0.084 R)
• M7: 4,630,503 km (0.082 R)
• M8: 5,679,334 km (0.092 R)
• M9: 6,176,597 km (0.104 R)
• M10: 6,589,337 km (0.086 R)
• M11: 6,729,959 km (0.096 R)
• M12: 7,756,051 km (0.112 R)
• M13: 8,815,055 km (0.083 R)
• M14: 9,100,637 km (0.071 R)
• M15: 10,114,761 km (0.11 R)
• M16: 10,820,863 km (0.102 R)
• M17: 14,139,692 km (0.087 R)
• M18: 16,710,980 km (0.12 R)
• M19: 21,601,933 km (0.042 R)
• M20: 22,305,791 km (0.107 R)
• M21: 23,482,079 km (0.117 R)
• M22: 30,267,090 km (0.106 R)
• M23: 33,190,831 km (0.054 R)
• M24: 44,305,055 km (0.1 R)
• M25: 45,403,253 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.3

Radius: 6.9

Gravity: 17.21 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.12 AU - 9.2 AU

Year: 14138 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,091,352 km

• M1: 108,907 km (0.08 R)
• M2: 455,526 km (0.111 R)
• M3: 1,683,574 km (0.109 R)
• M4: 2,091,079 km (0.06 R)
• M5: 2,276,431 km (0.094 R)
• M6: 3,355,031 km (0.119 R)
• M7: 3,865,310 km (0.097 R)
• M8: 4,150,443 km (0.074 R)
• M9: 4,821,240 km (0.104 R)
• M10: 6,971,710 km (0.045 R)
• M11: 7,226,026 km (0.118 R)
• M12: 7,441,447 km (0.079 R)
• M13: 7,881,713 km (0.119 R)
• M14: 8,519,748 km (0.027 R)
• M15: 8,800,843 km (0.089 R)
• M16: 9,279,556 km (0.11 R)
• M17: 10,326,741 km (0.087 R)
• M18: 10,584,349 km (0.112 R)
• M19: 12,141,662 km (0.098 R)
• M20: 13,162,369 km (0.034 R)
• M21: 13,336,501 km (0.082 R)
• M22: 13,570,621 km (0.079 R)
• M23: 14,648,923 km (0.09 R)
• M24: 15,141,548 km (0.116 R)
• M25: 15,453,610 km (0.105 R)
• M26: 17,526,288 km (0.106 R)
• M27: 18,818,963 km (0.114 R)
• M28: 19,801,073 km (0.08 R)
• M29: 20,662,907 km (0.076 R)
• M30: 28,732,216 km (0.111 R)
• M31: 30,382,430 km (0.068 R)
• M32: 35,324,994 km (0.116 R)
• M33: 47,755,081 km (0.107 R)
• M34: 48,198,040 km (0.108 R)
• M35: 49,426,688 km (0.106 R)
• M36: 50,443,355 km (0.06 R)
• M37: 51,241,310 km (0.055 R)
• M38: 54,260,045 km (0.056 R)
• M39: 55,206,401 km (0.106 R)
• M40: 60,681,683 km (0.077 R)
• M41: 61,933,668 km (0.026 R)
• M42: 62,690,932 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 14,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit