🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 13.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.56 AU - 0.66 AU

Year: 329 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,720,419 km

• M1: 170,392 km (0.103 R)
• M2: 663,616 km (0.113 R)
• M3: 1,532,331 km (0.032 R)
• M4: 2,116,361 km (0.118 R)
• M5: 2,808,850 km (0.091 R)
• M6: 3,753,111 km (0.083 R)
• M7: 4,397,130 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 14.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.04 AU - 1.34 AU

Year: 896 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,720,419 km

• M1: 185,352 km (0.076 R)
• M2: 680,970 km (0.111 R)
• M3: 1,423,573 km (0.091 R)
• M4: 2,020,768 km (0.117 R)
• M5: 2,661,496 km (0.06 R)
• M6: 3,261,533 km (0.071 R)
• M7: 3,817,887 km (0.09 R)
• M8: 4,384,414 km (0.114 R)
• M9: 4,878,087 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 9.1

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.52 AU - 2.06 AU

Year: 1653 Days

Day: 14.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,720,419 km

• M1: 113,096 km (0.094 R)
• M2: 550,819 km (0.105 R)
• M3: 850,913 km (0.064 R)
• M4: 1,472,492 km (0.112 R)
• M5: 2,409,573 km (0.114 R)
• M6: 4,233,021 km (0.112 R)
• M7: 4,857,144 km (0.03 R)
• M8: 5,381,335 km (0.098 R)
• M9: 6,414,607 km (0.049 R)
• M10: 7,321,021 km (0.115 R)
• M11: 8,310,611 km (0.112 R)
• M12: 8,901,073 km (0.064 R)
• M13: 9,419,879 km (0.096 R)
• M14: 10,517,777 km (0.051 R)
• M15: 11,968,428 km (0.116 R)
• M16: 13,802,947 km (0.114 R)
• M17: 14,854,321 km (0.052 R)
• M18: 15,170,870 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 11.8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.28 AU - 3.38 AU

Year: 3286 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,720,419 km

• M1: 146,756 km (0.076 R)
• M2: 772,523 km (0.061 R)
• M3: 1,546,244 km (0.098 R)
• M4: 2,136,258 km (0.106 R)
• M5: 2,917,308 km (0.109 R)
• M6: 5,131,057 km (0.046 R)
• M7: 5,517,169 km (0.12 R)
• M8: 5,898,345 km (0.096 R)
• M9: 7,778,640 km (0.11 R)
• M10: 9,752,435 km (0.115 R)
• M11: 11,153,419 km (0.099 R)
• M12: 13,015,164 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.3

Radius: 9.8

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.9 AU - 3.16 AU

Year: 3641 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,720,419 km

• M1: 144,811 km (0.067 R)
• M2: 507,137 km (0.047 R)
• M3: 907,909 km (0.072 R)
• M4: 1,828,535 km (0.045 R)
• M5: 3,318,530 km (0.036 R)
• M6: 3,910,189 km (0.061 R)
• M7: 4,428,247 km (0.11 R)
• M8: 5,277,214 km (0.114 R)
• M9: 5,796,917 km (0.064 R)
• M10: 6,970,812 km (0.06 R)
• M11: 8,810,866 km (0.118 R)
• M12: 9,863,436 km (0.09 R)
• M13: 12,170,086 km (0.107 R)
• M14: 12,690,387 km (0.087 R)
• M15: 13,176,281 km (0.073 R)
• M16: 14,975,046 km (0.077 R)
• M17: 17,700,420 km (0.115 R)
• M18: 18,246,003 km (0.067 R)
• M19: 18,677,893 km (0.117 R)
• M20: 20,080,223 km (0.118 R)
• M21: 21,211,033 km (0.102 R)
• M22: 21,826,479 km (0.074 R)
• M23: 22,736,632 km (0.054 R)
• M24: 23,891,079 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.2

Radius: 12

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.94 AU - 4.18 AU

Year: 4636 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,720,419 km

• M1: 149,448 km (0.08 R)
• M2: 611,706 km (0.12 R)
• M3: 1,276,219 km (0.116 R)
• M4: 1,652,907 km (0.066 R)
• M5: 2,031,838 km (0.062 R)
• M6: 2,693,809 km (0.118 R)
• M7: 4,082,077 km (0.037 R)
• M8: 4,786,384 km (0.094 R)
• M9: 6,212,650 km (0.118 R)
• M10: 6,634,815 km (0.104 R)
• M11: 7,041,422 km (0.119 R)
• M12: 8,131,691 km (0.083 R)
• M13: 9,373,055 km (0.095 R)
• M14: 9,973,540 km (0.104 R)
• M15: 12,229,028 km (0.109 R)
• M16: 13,315,557 km (0.076 R)
• M17: 13,909,909 km (0.046 R)
• M18: 19,942,144 km (0.096 R)
• M19: 20,364,309 km (0.098 R)
• M20: 21,153,737 km (0.055 R)
• M21: 27,261,818 km (0.086 R)
• M22: 28,663,850 km (0.116 R)
• M23: 29,655,384 km (0.065 R)
• M24: 30,298,057 km (0.052 R)
• M25: 31,706,670 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.7

Radius: 10.1

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.2 AU - 4.98 AU

Year: 6788 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,720,419 km

• M1: 137,780 km (0.045 R)
• M2: 652,546 km (0.105 R)
• M3: 1,167,611 km (0.079 R)
• M4: 2,310,988 km (0.061 R)
• M5: 3,368,645 km (0.075 R)
• M6: 3,761,040 km (0.093 R)
• M7: 4,314,403 km (0.089 R)
• M8: 4,694,082 km (0.074 R)
• M9: 5,275,419 km (0.083 R)
• M10: 7,734,060 km (0.079 R)
• M11: 8,972,282 km (0.056 R)
• M12: 10,724,671 km (0.066 R)
• M13: 11,120,956 km (0.089 R)
• M14: 12,154,229 km (0.085 R)
• M15: 15,638,662 km (0.12 R)
• M16: 16,867,908 km (0.059 R)
• M17: 22,193,592 km (0.07 R)
• M18: 22,514,180 km (0.105 R)
• M19: 23,411,768 km (0.08 R)
• M20: 24,079,423 km (0.099 R)
• M21: 25,804,286 km (0.086 R)
• M22: 27,794,836 km (0.072 R)
• M23: 28,261,282 km (0.099 R)
• M24: 31,977,592 km (0.085 R)
• M25: 32,592,738 km (0.085 R)
• M26: 33,007,274 km (0.073 R)
• M27: 34,593,012 km (0.089 R)
• M28: 35,132,611 km (0.117 R)
• M29: 37,460,803 km (0.054 R)
• M30: 38,029,873 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 14,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit